gnu: Move Emacs packages to new module.

* gnu/packages/emacs.scm: Move almost all packages from here...
* gnu/packages/emacs-xyz.scm: ...to this new module.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* gnu/packages/ocaml.scm,
gnu/packages/package-management.scm,
gnu/packages/statistics.scm: Update module references.

6 files changed, 12715 insertions, 12647 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index d8d75af615..4fed451747 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -155,6 +155,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/packages/elixir.scm			\
   %D%/packages/embedded.scm			\
   %D%/packages/emacs.scm			\
+  %D%/packages/emacs-xyz.scm			\
   %D%/packages/emulators.scm			\
   %D%/packages/enchant.scm			\
   %D%/packages/engineering.scm			\
diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
new file mode 100644
index 0000000000..caedf6a0de
--- /dev/null
+++ b/gnu/packages/emacs-xyz.scm
@@ -0,0 +1,12680 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 Taylan Ulrich Bayirli/Kammer <taylanbayirli@gmail.com>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014, 2015, 2016, 2017, 2018 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019 Alex Kost <alezost@gmail.com>
+;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
+;;; Copyright © 2015, 2016, 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2016, 2017, 2018 Chris Marusich <cmmarusich@gmail.com>
+;;; Copyright © 2015, 2016, 2018 Christopher Lemmer Webber <cwebber@dustycloud.org>
+;;; Copyright © 2016 Adriano Peluso <catonano@gmail.com>
+;;; Copyright © 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016 David Thompson <davet@gnu.org>
+;;; Copyright © 2016 Matthew Jordan <matthewjordandevops@yandex.com>
+;;; Copyright © 2016, 2017 Roel Janssen <roel@gnu.org>
+;;; Copyright © 2016, 2017 Nils Gillmann <ng0@n0.is>
+;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
+;;; Copyright © 2016, 2017, 2018, 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2016, 2017, 2018 Alex Vong <alexvong1995@gmail.com>
+;;; Copyright © 2016, 2017, 2018 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
+;;; Copyright © 2017, 2018 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2017, 2018, 2019 Clément Lassieur <clement@lassieur.org>
+;;; Copyright © 2017 Vasile Dumitrascu <va511e@yahoo.com>
+;;; Copyright © 2017, 2018 Kyle Meyer <kyle@kyleam.com>
+;;; Copyright © 2017 Kei Kebreau <kkebreau@posteo.net>
+;;; Copyright © 2017 George Clemmer <myglc2@gmail.com>
+;;; Copyright © 2017, 2018 Feng Shu <tumashu@163.com>
+;;; Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2017, 2018 Oleg Pykhalov <go.wigust@gmail.com>
+;;; Copyright © 2017 Mekeor Melire <mekeor.melire@gmail.com>
+;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com>
+;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2017 Mike Gerwitz <mtg@gnu.org>
+;;; Copyright © 2017, 2018 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2018 Sohom Bhattacharjee <soham.bhattacharjee15@gmail.com>
+;;; Copyright © 2018 Mathieu Lirzin <mthl@gnu.org>
+;;; Copyright © 2018 Pierre Neidhardt <mail@ambrevar.xyz>
+;;; Copyright © 2018, 2019 Tim Gesthuizen <tim.gesthuizen@yahoo.de>
+;;; Copyright © 2018 Jack Hill <jackhill@jackhill.us>
+;;; Copyright © 2018 Pierre-Antoine Rouby <pierre-antoine.rouby@inria.fr>
+;;; Copyright © 2018 Alex Branham <alex.branham@gmail.com>
+;;; Copyright © 2018 Thorsten Wilms <t_w_@freenet.de>
+;;; Copyright © 2018 Pierre Langlois <pierre.langlois@gmx.com>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages emacs-xyz)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix cvs-download)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix build-system cmake)
+  #:use-module (guix build-system emacs)
+  #:use-module (guix build-system glib-or-gtk)
+  #:use-module (guix build-system trivial)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages audio)
+  #:use-module (gnu packages bash)
+  #:use-module (gnu packages cmake)
+  #:use-module (gnu packages code)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages emacs)
+  #:use-module (gnu packages guile)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages gnome)
+  #:use-module (gnu packages ncurses)
+  #:use-module (gnu packages python)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages tex)
+  #:use-module (gnu packages texinfo)
+  #:use-module (gnu packages tcl)
+  #:use-module (gnu packages tls)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages xorg)
+  #:use-module (gnu packages lesstif)
+  #:use-module (gnu packages llvm)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages version-control)
+  #:use-module (gnu packages imagemagick)
+  #:use-module (gnu packages w3m)
+  #:use-module (gnu packages wget)
+  #:use-module (gnu packages autotools)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages xml)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages acl)
+  #:use-module (gnu packages mail)
+  #:use-module (gnu packages package-management)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages pdf)
+  #:use-module (gnu packages scheme)
+  #:use-module (gnu packages xiph)
+  #:use-module (gnu packages mp3)
+  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages fribidi)
+  #:use-module (gnu packages gd)
+  #:use-module (gnu packages fontutils)
+  #:use-module (gnu packages password-utils)
+  #:use-module (gnu packages pulseaudio)
+  #:use-module (gnu packages xdisorg)
+  #:use-module (gnu packages shells)
+  #:use-module (gnu packages sqlite)
+  #:use-module (gnu packages gnupg)
+  #:use-module (gnu packages video)
+  #:use-module (gnu packages haskell)
+  #:use-module (gnu packages wordnet)
+  #:use-module (guix utils)
+  #:use-module (srfi srfi-1)
+  #:use-module (ice-9 match))
+
+;;;
+;;; Emacs hacking.
+;;;
+
+(define-public emacs-geiser
+  (package
+    (name "emacs-geiser")
+    (version "0.10")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "mirror://savannah/geiser/" version
+                                 "/geiser-" version ".tar.gz"))
+             (sha256
+              (base32
+               "0pj3l7p8d60c9b4vfprnv6g5l61d74pls4b5dvd84cn4ky9mzwjv"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'post-install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (symlink "geiser-install.el"
+                      (string-append (assoc-ref outputs "out")
+                                     "/share/emacs/site-lisp/"
+                                     "geiser-autoloads.el"))
+             #t)))))
+    (inputs `(("guile" ,guile-2.2)))
+    (native-inputs `(("emacs" ,emacs-minimal)))
+    (home-page "https://nongnu.org/geiser/")
+    (synopsis "Collection of Emacs modes for Guile and Racket hacking")
+    (description
+     "Geiser is a collection of Emacs major and minor modes that conspire with
+one or more Scheme implementations to keep the Lisp Machine Spirit alive.  The
+continuously running Scheme interpreter takes the center of the stage in
+Geiser.  A bundle of Elisp shims orchestrates the dialog between the Scheme
+implementation, Emacs and, ultimately, the schemer, giving them access to live
+metadata.")
+    (license license:bsd-3)))
+
+(define-public geiser
+  (deprecated-package "geiser" emacs-geiser))
+
+(define-public emacs-paredit
+  (package
+    (name "emacs-paredit")
+    (version "24")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://mumble.net/~campbell/emacs/paredit-"
+                                  version ".el"))
+              (sha256
+               (base32
+                "0pp3n8q6kc70blqsaw0zlzp6bc327dpgdrjr0cnh7hqg1lras7ka"))))
+    (build-system emacs-build-system)
+    (home-page "http://mumble.net/~campbell/emacs/paredit/")
+    (synopsis "Emacs minor mode for editing parentheses")
+    (description
+     "ParEdit (paredit.el) is a minor mode for performing structured editing
+of S-expression data.  The typical example of this would be Lisp or Scheme
+source code.
+
+ParEdit helps **keep parentheses balanced** and adds many keys for moving
+S-expressions and moving around in S-expressions.  Its behavior can be jarring
+for those who may want transient periods of unbalanced parentheses, such as
+when typing parentheses directly or commenting out code line by line.")
+    (license license:gpl3+)))
+
+(define-public paredit
+  (deprecated-package "paredit" emacs-paredit))
+
+(define-public git-modes
+  (package
+    (name "emacs-git-modes")
+    (version "1.2.8")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/magit/git-modes/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0h49f68yn0q4lg054adqii4qja1z2pzybm7nf4kvpq7fzjrzgv1q"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/magit/git-modes")
+    (synopsis "Emacs major modes for Git configuration files")
+    (description
+     "This package provides Emacs major modes for editing various Git
+configuration files, such as .gitattributes, .gitignore, and .git/config.")
+    (license license:gpl3+)))
+
+(define-public git-modes/old-name
+  (deprecated-package "git-modes" git-modes))
+
+(define-public emacs-with-editor
+  (package
+    (name "emacs-with-editor")
+    (version "2.8.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/magit/with-editor.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1bbzvxnjpxqyvi808isld025b3pcidn4r2xf8hnk9bmzcfdvdr6q"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)))
+    (home-page "https://github.com/magit/with-editor")
+    (synopsis "Emacs library for using Emacsclient as EDITOR")
+    (description
+     "This package provides an Emacs library to use the Emacsclient as
+@code{$EDITOR} of child processes, making sure they know how to call home.
+For remote processes a substitute is provided, which communicates with Emacs
+on stdout instead of using a socket as the Emacsclient does.")
+    (license license:gpl3+)))
+
+(define-public emacs-magit
+  (package
+    (name "emacs-magit")
+    (version "2.13.0")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append
+                   "https://github.com/magit/magit/releases/download/"
+                   version "/magit-" version ".tar.gz"))
+             (sha256
+              (base32
+               "1ygaah3dd3nxpyd17297xgvdcgr7pgzzwlmpnmchki0kiwgg3sbc"))))
+    (build-system gnu-build-system)
+    (native-inputs `(("texinfo" ,texinfo)
+                     ("emacs" ,emacs-minimal)))
+    (inputs
+     `(("git" ,git)
+       ("perl" ,perl)))
+    (propagated-inputs
+     `(("dash" ,emacs-dash)
+       ("ghub" ,emacs-ghub)
+       ("magit-popup" ,emacs-magit-popup)
+       ("with-editor" ,emacs-with-editor)))
+    (arguments
+     `(#:test-target "test"
+       #:tests? #f               ; tests are not included in the release
+
+       #:make-flags
+       (list (string-append "PREFIX=" %output)
+             ;; Don't put .el files in a sub-directory.
+             (string-append "lispdir=" %output "/share/emacs/site-lisp")
+             (string-append "DASH_DIR="
+                            (assoc-ref %build-inputs "dash")
+                            "/share/emacs/site-lisp/guix.d/dash-"
+                            ,(package-version emacs-dash))
+             (string-append "GHUB_DIR="
+                            (assoc-ref %build-inputs "ghub")
+                            "/share/emacs/site-lisp/guix.d/ghub-"
+                            ,(package-version emacs-ghub))
+             (string-append "MAGIT_POPUP_DIR="
+                            (assoc-ref %build-inputs "magit-popup")
+                            "/share/emacs/site-lisp/guix.d/magit-popup-"
+                            ,(package-version emacs-magit-popup))
+             (string-append "WITH_EDITOR_DIR="
+                            (assoc-ref %build-inputs "with-editor")
+                            "/share/emacs/site-lisp/guix.d/with-editor-"
+                            ,(package-version emacs-with-editor)))
+
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (add-before
+          'build 'patch-exec-paths
+          (lambda* (#:key inputs #:allow-other-keys)
+            (let ((perl (assoc-ref inputs "perl")))
+              (substitute* "lisp/magit-sequence.el"
+                (("perl") (string-append perl "/bin/perl")))
+              #t))))))
+    (home-page "https://magit.vc/")
+    (synopsis "Emacs interface for the Git version control system")
+    (description
+     "With Magit, you can inspect and modify your Git repositories with Emacs.
+You can review and commit the changes you have made to the tracked files, for
+example, and you can browse the history of past changes.  There is support for
+cherry picking, reverting, merging, rebasing, and other common Git
+operations.")
+    (license license:gpl3+)))
+
+(define-public magit
+  (deprecated-package "magit" emacs-magit))
+
+(define-public emacs-magit-svn
+  (package
+    (name "emacs-magit-svn")
+    (version "2.2.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/magit/magit-svn/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1c3n377v436zaxamlsz04y1ahdhp96x1vd43zaryv4y10m02ba47"))))
+    (build-system trivial-build-system)
+    (native-inputs `(("emacs" ,emacs-minimal)
+                     ("tar" ,tar)
+                     ("gzip" ,gzip)))
+    (propagated-inputs `(("dash" ,emacs-dash)
+                         ("with-editor" ,emacs-with-editor)
+                         ("magit" ,emacs-magit)))
+    (arguments
+     `(#:modules ((guix build utils)
+                  (guix build emacs-utils))
+
+       #:builder
+       (begin
+         (use-modules (guix build utils)
+                      (guix build emacs-utils))
+
+         (let* ((tar      (string-append (assoc-ref %build-inputs "tar")
+                                         "/bin/tar"))
+                (PATH     (string-append (assoc-ref %build-inputs "gzip")
+                                         "/bin"))
+                (emacs    (string-append (assoc-ref %build-inputs "emacs")
+                                         "/bin/emacs"))
+                (magit    (string-append (assoc-ref %build-inputs "magit")
+                                         "/share/emacs/site-lisp"))
+                (dash     (string-append (assoc-ref %build-inputs "dash")
+                                         "/share/emacs/site-lisp/guix.d/dash-"
+                                         ,(package-version emacs-dash)))
+                (with-editor (string-append (assoc-ref %build-inputs "with-editor")
+                                            "/share/emacs/site-lisp/guix.d/with-editor-"
+                                            ,(package-version emacs-with-editor)))
+                (source   (assoc-ref %build-inputs "source"))
+                (lisp-dir (string-append %output "/share/emacs/site-lisp")))
+           (setenv "PATH" PATH)
+           (invoke tar "xvf" source)
+
+           (install-file (string-append "magit-svn-" ,version "/magit-svn.el")
+                         lisp-dir)
+
+           (with-directory-excursion lisp-dir
+             (parameterize ((%emacs emacs))
+               (emacs-generate-autoloads ,name lisp-dir)
+               (setenv "EMACSLOADPATH"
+                       (string-append ":" magit ":" dash ":" with-editor))
+               (emacs-batch-eval '(byte-compile-file "magit-svn.el"))))
+           #t))))
+    (home-page "https://github.com/magit/magit-svn")
+    (synopsis "Git-SVN extension to Magit")
+    (description
+     "This package is an extension to Magit, the Git Emacs mode, providing
+support for Git-SVN.")
+    (license license:gpl3+)))
+
+(define-public magit-svn
+  (deprecated-package "magit-svn" emacs-magit-svn))
+
+(define-public emacs-magit-popup
+  (package
+    (name "emacs-magit-popup")
+    (version "2.12.5")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/magit/magit-popup.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "13riknyqr6vxqll80sfhvz165flvdz367rbd0pr5slb01bnfsi2i"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'make-info
+           (lambda _
+             (invoke "make" "info"))))))
+    (native-inputs
+     `(("texinfo" ,texinfo)))
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)))
+    (home-page "https://github.com/magit/magit-popup")
+    (synopsis "Define prefix-infix-suffix command combos")
+    (description
+     "This library implements a generic interface for toggling switches and
+setting options and then invoking an Emacs command which does something with
+these arguments.  The prototypical use is for the command to call an external
+process, passing on the arguments as command line arguments.")
+    (license license:gpl3+)))
+
+(define-public emacs-treepy
+  (package
+    (name "emacs-treepy")
+    (version "0.1.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/volrath/treepy.el.git")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "04zwm6gx9pxfvgfkizx6pvb1ql8pqxjyzqp8flz0432x0gq5nlxk"))))
+    (build-system emacs-build-system)
+    (home-page
+     "https://github.com/volrath/treepy.el")
+    (synopsis "Tree traversal tools")
+    (description
+     "Generic tools for recursive and iterative tree traversal based on
+clojure.walk and clojure.zip respectively.")
+    (license license:gpl3+)))
+
+(define-public emacs-graphql
+  (package
+   (name "emacs-graphql")
+   (version "0.1.1")
+   (source (origin
+             (modules '((guix build utils)))
+             ;; Remove examples file with references to external packages as
+             ;; they do not exist at compilation time.
+             (snippet
+              '(begin (delete-file "examples.el")
+                 #t))
+             (method git-fetch)
+             (uri (git-reference
+                   (url "https://github.com/vermiculus/graphql.el.git")
+                   (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0sp0skc1rnhi39szfbq1i99pdgd3bhn4c15cff05iqhjy2d4hniw"))))
+   (build-system emacs-build-system)
+   (home-page
+    "https://github.com/vermiculus/graphql.el")
+   (synopsis "GraphQL utilities")
+   (description
+    "GraphQL.el provides a generally-applicable domain-specific language for
+creating and executing GraphQL queries against your favorite web services.
+GraphQL is a data query language and runtime designed and used to request and
+deliver data to mobile and web apps.")
+   (license license:gpl3+)))
+
+(define-public emacs-ghub
+  (package
+    (name "emacs-ghub")
+    (version "2.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/magit/ghub/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0d0qj5r1bm2aidi61rigrdaycxnyb7y1ivb3h8rpvvapsf8sk7z0"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'make-info
+           (lambda _
+             (invoke "make" "info"))))))
+    (native-inputs
+     `(("texinfo" ,texinfo)))
+    (home-page "https://github.com/magit/ghub")
+    (synopsis "Emacs client library for Github API and Gitlab API")
+    (description
+     "This package provides 2 files: @file{ghub.el} and @file{glab.el},
+which are the libraries that provide basic support for using the Github and
+Gitlab APIs from Emacs packages.  It abstracts access to API resources using
+only a handful of functions that are not resource-specific.")
+    (license license:gpl3+)))
+
+(define-public emacs-scribble-mode
+  (let ((commit "34e9e5edb921813b6483e0fefa848efb6ee4b314")
+        (version "0.0")
+        (revision 0))
+    (package
+      (name "emacs-scribble-mode")
+      (version (if (zero? revision)
+                   version
+                   (string-append version "-"
+                                  (number->string revision)
+                                  "." (string-take commit 7))))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/emacs-pe/scribble-mode.git")
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "0598byqpz2q6yi2q4dwd77jj9z3n99z34d3an51s9m2za0nh1qvp"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/emacs-pe/scribble-mode")
+      (synopsis "Emacs mode for editing the Scribble documentation syntax.")
+      (description
+       "This package provides basic syntax highlighting and editing support
+for editing Racket's Scribble documentation syntax in Emacs.")
+      (license license:gpl3+))))
+
+(define-public emacs-haskell-mode
+  (package
+    (name "emacs-haskell-mode")
+    (version "16.1")
+    (source (origin
+              (method url-fetch)
+              (file-name (string-append name "-" version ".tar.gz"))
+              (uri (string-append
+                    "https://github.com/haskell/haskell-mode/archive/v"
+                    version ".tar.gz"))
+              (sha256
+               (base32 "0g6lcjw7lcgavv3yrd8xjcyqgfyjl787y32r1z14amw2f009m78h"))
+              (patches
+               (search-patches ; backport test failure fixes
+                "haskell-mode-unused-variables.patch"
+                "haskell-mode-make-check.patch"))))
+    (inputs
+     `(("emacs-el-search" ,emacs-el-search) ; for tests
+       ("emacs-stream" ,emacs-stream)))     ; for tests
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)))
+    (native-inputs
+     `(("emacs" ,emacs-minimal)
+       ("texinfo" ,texinfo)))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags (list (string-append "EMACS="
+                                         (assoc-ref %build-inputs "emacs")
+                                         "/bin/emacs"))
+       #:modules ((ice-9 match)
+                  (srfi srfi-26)
+                  ,@%gnu-build-system-modules)
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (add-before
+          'build 'pre-build
+          (lambda* (#:key inputs #:allow-other-keys)
+            (define (el-dir store-dir)
+              (match (find-files store-dir "\\.el$")
+                ((f1 f2 ...) (dirname f1))
+                (_ "")))
+
+            (let ((sh (string-append (assoc-ref inputs "bash") "/bin/sh")))
+              (define emacs-prefix? (cut string-prefix? "emacs-" <>))
+
+              (setenv "SHELL" "sh")
+              (setenv "EMACSLOADPATH"
+                      (string-concatenate
+                       (map (match-lambda
+                              (((? emacs-prefix? name) . dir)
+                               (string-append (el-dir dir) ":"))
+                              (_ ""))
+                            inputs)))
+              (substitute* (find-files "." "\\.el") (("/bin/sh") sh))
+              ;; embed filename to fix test failure
+              (let ((file "tests/haskell-cabal-tests.el"))
+                (substitute* file
+                  (("\\(buffer-file-name\\)")
+                   (format #f "(or (buffer-file-name) ~s)" file))))
+              #t)))
+         (replace
+          'install
+          (lambda* (#:key outputs #:allow-other-keys)
+            (let* ((out (assoc-ref outputs "out"))
+                   (el-dir (string-append out "/share/emacs/site-lisp"))
+                   (doc (string-append
+                         out "/share/doc/haskell-mode-" ,version))
+                   (info (string-append out "/share/info")))
+              (define (copy-to-dir dir files)
+                (for-each (lambda (f)
+                            (install-file f dir))
+                          files))
+
+              (with-directory-excursion "doc"
+                (invoke "makeinfo" "haskell-mode.texi")
+                (install-file "haskell-mode.info" info))
+               (copy-to-dir doc '("CONTRIBUTING.md" "NEWS" "README.md"))
+               (copy-to-dir el-dir (find-files "." "\\.elc?"))
+               ;; These are part of other packages.
+               (with-directory-excursion el-dir
+                 (for-each delete-file '("dash.el" "ert.el")))
+               #t))))))
+    (home-page "https://github.com/haskell/haskell-mode")
+    (synopsis "Haskell mode for Emacs")
+    (description
+     "This is an Emacs mode for editing, debugging and developing Haskell
+programs.")
+    (license license:gpl3+)))
+
+(define-public haskell-mode
+  (deprecated-package "haskell-mode" emacs-haskell-mode))
+
+(define-public emacs-flycheck
+  (package
+    (name "emacs-flycheck")
+    (version "31")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/flycheck/flycheck/releases/download/"
+                    version "/flycheck-" version ".tar"))
+              (sha256
+               (base32
+                "01rnwan16m7cyyrfca3c5c60mbj2r3knkpzbhji2fczsf0wns240"))
+              (modules '((guix build utils)))
+              (snippet `(begin
+                          ;; Change 'flycheck-version' so that it does not
+                          ;; attempt to get its version from pkg-info.el.
+                          (substitute* "flycheck.el"
+                            (("\\(pkg-info-version-info 'flycheck\\)")
+                             (string-append "\"" ,version "\"")))
+                          #t))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)))
+    (home-page "https://www.flycheck.org")
+    (synopsis "On-the-fly syntax checking")
+    (description
+     "This package provides on-the-fly syntax checking for GNU Emacs.  It is a
+replacement for the older Flymake extension which is part of GNU Emacs, with
+many improvements and additional features.
+
+Flycheck provides fully-automatic, fail-safe, on-the-fly background syntax
+checking for over 30 programming and markup languages with more than 70
+different tools.  It highlights errors and warnings inline in the buffer, and
+provides an optional IDE-like error list.")
+    (license license:gpl3+)))                     ;+GFDLv1.3+ for the manual
+
+(define-public emacs-a
+  (package
+    (name "emacs-a")
+    (version "0.1.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/plexus/a.el.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "00v9w6qg3bkwdhypq0ssf0phdh0f4bcq59c20lngd6vhk0204dqi"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/plexus/a.el/")
+    (synopsis
+     "Emacs library for dealing with association lists and hash tables")
+    (description "@code{emacs-a} provides Emacs Lisp functions for dealing
+with associative structures in a uniform and functional way.  These functions
+can take association lists, hash tables, and in some cases vectors (where the
+index is considered the key).")
+    (license license:gpl3+)))
+
+
+;;;
+;;; Web browsing.
+;;;
+
+(define-public emacs-w3m
+  ;; Emacs-w3m follows a "rolling release" model.
+  (package
+    (name "emacs-w3m")
+    (version "2018-11-11")
+    (source (origin
+              (method cvs-fetch)
+              (uri (cvs-reference
+                    (root-directory
+                     ":pserver:anonymous@cvs.namazu.org:/storage/cvsroot")
+                    (module "emacs-w3m")
+                    (revision version)))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "0nvahdbjs12zg7zsk4gql02mvnv56cf1rwj2f5p42lwp3xvswiwp"))))
+    (build-system gnu-build-system)
+    (native-inputs `(("autoconf" ,autoconf)
+                     ("texinfo" ,texinfo)
+                     ("emacs" ,emacs-minimal)))
+    (inputs `(("w3m" ,w3m)
+              ("imagemagick" ,imagemagick)))
+    (arguments
+     `(#:modules ((guix build gnu-build-system)
+                  (guix build utils)
+                  (guix build emacs-utils))
+       #:imported-modules (,@%gnu-build-system-modules
+                           (guix build emacs-utils))
+       #:configure-flags
+       (let ((out (assoc-ref %outputs "out")))
+         (list (string-append "--with-lispdir="
+                              out "/share/emacs/site-lisp")
+               (string-append "--with-icondir="
+                              out "/share/images/emacs-w3m")
+               ;; Leave .el files uncompressed, otherwise GC can't
+               ;; identify run-time dependencies.  See
+               ;; <http://lists.gnu.org/archive/html/guix-devel/2015-12/msg00208.html>
+               "--without-compress-install"))
+       #:tests? #f                              ; no check target
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'autoconf
+           (lambda _
+             (invoke "autoconf")))
+         (add-before 'configure 'support-emacs!
+           (lambda _
+             ;; For some reason 'AC_PATH_EMACS' thinks that 'Emacs 26' is
+             ;; unsupported.
+             (substitute* "configure"
+               (("EMACS_FLAVOR=unsupported")
+                "EMACS_FLAVOR=emacs"))
+             #t))
+         (add-before 'build 'patch-exec-paths
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out"))
+                   (w3m (assoc-ref inputs "w3m"))
+                   (imagemagick (assoc-ref inputs "imagemagick"))
+                   (coreutils (assoc-ref inputs "coreutils")))
+               (make-file-writable "w3m.el")
+               (emacs-substitute-variables "w3m.el"
+                 ("w3m-command" (string-append w3m "/bin/w3m"))
+                 ("w3m-touch-command"
+                  (string-append coreutils "/bin/touch"))
+                 ("w3m-icon-directory"
+                  (string-append out "/share/images/emacs-w3m")))
+               (make-file-writable "w3m-image.el")
+               (emacs-substitute-variables "w3m-image.el"
+                 ("w3m-imagick-convert-program"
+                  (string-append imagemagick "/bin/convert"))
+                 ("w3m-imagick-identify-program"
+                  (string-append imagemagick "/bin/identify")))
+               #t)))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (invoke "make" "install" "install-icons")
+             (with-directory-excursion
+                 (string-append (assoc-ref outputs "out")
+                                "/share/emacs/site-lisp")
+               (for-each delete-file '("ChangeLog" "ChangeLog.1"))
+               (symlink "w3m-load.el" "w3m-autoloads.el")
+               #t))))))
+    (home-page "http://emacs-w3m.namazu.org/")
+    (synopsis "Simple Web browser for Emacs based on w3m")
+    (description
+     "Emacs-w3m is an emacs interface for the w3m web browser.")
+    (license license:gpl2+)))
+
+(define-public emacs-wget
+  (package
+    (name "emacs-wget")
+    (version "0.5.0")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "mirror://debian/pool/main/w/wget-el/wget-el_"
+                                 version ".orig.tar.gz"))
+             (sha256
+              (base32 "10byvyv9dk0ib55gfqm7bcpxmx2qbih1jd03gmihrppr2mn52nff"))))
+    (build-system gnu-build-system)
+    (inputs `(("wget" ,wget)))
+    (native-inputs `(("emacs" ,emacs-minimal)))
+    (arguments
+     `(#:modules ((guix build gnu-build-system)
+                  (guix build utils)
+                  (guix build emacs-utils))
+       #:imported-modules (,@%gnu-build-system-modules
+                           (guix build emacs-utils))
+       #:tests? #f  ; no check target
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key outputs #:allow-other-keys)
+             (substitute* "Makefile"
+               (("/usr/local") (assoc-ref outputs "out"))
+               (("/site-lisp/emacs-wget") "/site-lisp"))
+             #t))
+         (add-before 'build 'patch-exec-paths
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((wget (assoc-ref inputs "wget")))
+               (emacs-substitute-variables "wget.el"
+                 ("wget-command" (string-append wget "/bin/wget"))))
+             #t))
+         (add-after 'install 'post-install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (emacs-generate-autoloads
+              "wget" (string-append (assoc-ref outputs "out")
+                                    "/share/emacs/site-lisp/"))
+             #t)))))
+    (home-page "http://www.emacswiki.org/emacs/EmacsWget")
+    (synopsis "Simple file downloader for Emacs based on wget")
+    (description
+     "Emacs-wget is an emacs interface for the wget file downloader.")
+    (license license:gpl2+)))
+
+
+;;;
+;;; Multimedia.
+;;;
+
+(define-public emacs-emms
+  (package
+    (name "emacs-emms")
+    (version "5.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://gnu/emms/emms-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "149ddczyx6x10zn4mn8g0rll1rwf4yciv8x6j0qdnlbwszblx2x6"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  (substitute* "Makefile"
+                    (("/usr/bin/install-info")
+                     ;; No need to use 'install-info' since it would create a
+                     ;; useless 'dir' file.
+                     "true")
+                    (("^INFODIR=.*")
+                     ;; Install Info files to $out/share/info, not $out/info.
+                     "INFODIR := $(PREFIX)/share/info\n")
+                    (("/site-lisp/emms")
+                     ;; Install directly in share/emacs/site-lisp, not in a
+                     ;; sub-directory.
+                     "/site-lisp")
+                    (("^all: (.*)\n" _ rest)
+                     ;; Build 'emms-print-metadata'.
+                     (string-append "all: " rest " emms-print-metadata\n")))
+                  #t))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:modules ((guix build gnu-build-system)
+                  (guix build utils)
+                  (guix build emacs-utils)
+                  (ice-9 ftw))
+       #:imported-modules (,@%gnu-build-system-modules
+                           (guix build emacs-utils))
+
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((out     (assoc-ref outputs "out"))
+                   (flac    (assoc-ref inputs "flac"))
+                   (vorbis  (assoc-ref inputs "vorbis-tools"))
+                   (alsa    (assoc-ref inputs "alsa-utils"))
+                   (mpg321  (assoc-ref inputs "mpg321"))
+                   (mp3info (assoc-ref inputs "mp3info"))
+                   (opus    (assoc-ref inputs "opus-tools")))
+               ;; Specify the installation directory.
+               (substitute* "Makefile"
+                 (("PREFIX=.*$")
+                  (string-append "PREFIX := " out "\n")))
+
+               (setenv "SHELL" (which "sh"))
+               (setenv "CC" "gcc")
+
+               ;; Specify the absolute file names of the various
+               ;; programs so that everything works out-of-the-box.
+               (with-directory-excursion "lisp"
+                 (emacs-substitute-variables
+                     "emms-player-mpg321-remote.el"
+                   ("emms-player-mpg321-remote-command"
+                    (string-append mpg321 "/bin/mpg321")))
+                 (substitute* "emms-player-simple.el"
+                   (("\"ogg123\"")
+                    (string-append "\"" vorbis "/bin/ogg123\"")))
+                 (substitute* "emms-player-simple.el"
+                   (("\"mpg321\"")
+                    (string-append "\"" mpg321 "/bin/mpg321\"")))
+                 (emacs-substitute-variables "emms-info-ogginfo.el"
+                   ("emms-info-ogginfo-program-name"
+                    (string-append vorbis "/bin/ogginfo")))
+                 (emacs-substitute-variables "emms-info-opusinfo.el"
+                   ("emms-info-opusinfo-program-name"
+                    (string-append opus "/bin/opusinfo")))
+                 (emacs-substitute-variables "emms-info-libtag.el"
+                   ("emms-info-libtag-program-name"
+                    (string-append out "/bin/emms-print-metadata")))
+                 (emacs-substitute-variables "emms-info-mp3info.el"
+                   ("emms-info-mp3info-program-name"
+                    (string-append mp3info "/bin/mp3info")))
+                 (emacs-substitute-variables "emms-info-metaflac.el"
+                   ("emms-info-metaflac-program-name"
+                    (string-append flac "/bin/metaflac")))
+                 (emacs-substitute-variables "emms-source-file.el"
+                   ("emms-source-file-gnu-find" (which "find")))
+                 (substitute* "emms-volume-amixer.el"
+                   (("\"amixer\"")
+                    (string-append "\"" alsa "/bin/amixer\"")))
+                 (substitute* "emms-tag-editor.el"
+                   (("\"mp3info\"")
+                    (string-append "\"" mp3info "/bin/mp3info\"")))))))
+         (add-before 'install 'pre-install
+           (lambda* (#:key outputs #:allow-other-keys)
+             ;; The 'install' rule expects the target directories to exist.
+             (let* ((out  (assoc-ref outputs "out"))
+                    (bin  (string-append out "/bin"))
+                    (man1 (string-append out "/share/man/man1")))
+               (mkdir-p bin)
+               (mkdir-p man1)
+
+               ;; Ensure that files are not rejected by gzip
+               (let ((early-1980 315619200)) ; 1980-01-02 UTC
+                 (ftw "." (lambda (file stat flag)
+                            (unless (<= early-1980 (stat:mtime stat))
+                              (utime file early-1980 early-1980))
+                            #t)))
+               #t)))
+         (add-after 'install 'post-install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (symlink "emms-auto.el"
+                        (string-append out "/share/emacs/site-lisp/"
+                                       "emms-autoloads.el")))
+             #t)))
+       #:tests? #f))
+    (native-inputs `(("emacs" ,emacs-minimal)    ;for (guix build emacs-utils)
+                     ("texinfo" ,texinfo)))
+    (inputs `(("alsa-utils" ,alsa-utils)
+              ("flac" ,flac)            ;for metaflac
+              ("vorbis-tools" ,vorbis-tools)
+              ("mpg321" ,mpg321)
+              ("taglib" ,taglib)
+              ("mp3info" ,mp3info)
+              ("opus-tools" ,opus-tools)))
+    (properties '((upstream-name . "emms")))
+    (synopsis "Emacs Multimedia System")
+    (description
+     "EMMS is the Emacs Multimedia System.  It is a small front-end which
+can control one of the supported external players.  Thus, it supports
+whatever formats are supported by your music player.  It also
+supports tagging and playlist management, all behind a clean and
+light user interface.")
+    (home-page "https://www.gnu.org/software/emms/")
+    (license license:gpl3+)))
+
+(define-public emacs-emms-player-mpv
+  ;; A new mpv backend is included in Emms from 5.0.
+  (deprecated-package "emacs-emms-player-mpv" emacs-emms))
+
+(define-public emacs-emms-mode-line-cycle
+  (package
+    (name "emacs-emms-mode-line-cycle")
+    (version "0.2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/momomo5717/emms-mode-line-cycle"
+                           "/archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0ifszi930pnaxk1x8pcydmvnp06868gc7nfx14q17zbajbx735k6"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emms" ,emacs-emms)))
+    (home-page "https://github.com/momomo5717/emms-mode-line-cycle")
+    (synopsis "Display the EMMS mode line as a ticker")
+    (description
+     "This is a minor mode for updating the EMMS mode-line string cyclically
+within a specified width.  It is useful for displaying long track titles.")
+    (license license:gpl3+)))
+
+
+;;;
+;;; Miscellaneous.
+;;;
+
+(define-public emacs-bbdb
+  (package
+    (name "emacs-bbdb")
+    (version "3.1.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://savannah/bbdb/bbdb-"
+                                  version ".tar.gz"))
+              (sha256
+               (base32
+                "1gs16bbpiiy01w9pyg12868r57kx1v3hnw04gmqsmpc40l1hyy05"))
+              (modules '((guix build utils)))
+              (snippet
+               ;; We don't want to build and install the PDF.
+               '(begin
+                  (substitute* "doc/Makefile.in"
+                    (("^doc_DATA = .*$")
+                     "doc_DATA =\n"))
+                  #t))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'post-install
+           (lambda* (#:key outputs #:allow-other-keys)
+             ;; Add an autoloads file with the right name for guix.el.
+             (let* ((out  (assoc-ref outputs "out"))
+                    (site (string-append out "/share/emacs/site-lisp")))
+               (with-directory-excursion site
+                 (symlink "bbdb-loaddefs.el" "bbdb-autoloads.el")))
+             #t)))))
+    (native-inputs `(("emacs" ,emacs-minimal)))
+    (home-page "https://savannah.nongnu.org/projects/bbdb/")
+    (synopsis "Contact management utility for Emacs")
+    (description
+     "BBDB is the Insidious Big Brother Database for GNU Emacs.  It provides
+an address book for email and snail mail addresses, phone numbers and the
+like.  It can be linked with various Emacs mail clients (Message and Mail
+mode, Rmail, Gnus, MH-E, and VM).  BBDB is fully customizable.")
+    (license license:gpl3+)))
+
+(define-public bbdb
+  (deprecated-package "bbdb" emacs-bbdb))
+
+(define-public emacs-aggressive-indent
+  (package
+    (name "emacs-aggressive-indent")
+    (version "1.8.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/"
+                                  "aggressive-indent-" version ".el"))
+              (sha256
+               (base32
+                "0jnzccl50x0wapprgwxinp99pwwa6j43q6msn4gv437j7swy8wnj"))))
+    (build-system emacs-build-system)
+    (home-page "https://elpa.gnu.org/packages/aggressive-indent.html")
+    (synopsis "Minor mode to aggressively keep your code always indented")
+    (description
+     "@code{aggressive-indent-mode} is a minor mode that keeps your code
+always indented.  It reindents after every change, making it more reliable
+than @code{electric-indent-mode}.")
+    (license license:gpl2+)))
+
+(define-public emacs-ag
+  (package
+    (name "emacs-ag")
+    (version "0.47")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/Wilfred/ag.el/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1rlmp6wnyhqfg86dbz17r914msp58favn4kd4yrdwyia265a4lar"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'make-info
+           (lambda _
+             (with-directory-excursion "docs"
+               (invoke "make" "info"))))
+         (add-after 'install 'install-info
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out  (assoc-ref outputs "out"))
+                    (info (string-append out "/share/info")))
+               (install-file "docs/_build/texinfo/agel.info" info)
+               #t))))))
+    (native-inputs
+     `(("python-sphinx" ,python-sphinx)
+       ("texinfo" ,texinfo)))
+    (propagated-inputs
+     `(("dash" ,emacs-dash)
+       ("s" ,emacs-s)
+       ;; We need to use 'ag' as the executable on remote systems.
+       ("the-silver-searcher" ,the-silver-searcher)))
+    (home-page "https://github.com/Wilfred/ag.el")
+    (synopsis "Front-end for ag (the-silver-searcher) for Emacs")
+    (description "This package provides the ability to use the silver
+searcher, a code searching tool, sometimes abbreviated to @code{ag}.  Features
+include version control system awareness, use of Perl compatible regular
+expressions, editing the search results directly and searching file names
+rather than the contents of files.")
+    (license license:gpl3+)))
+
+(define-public emacs-async
+  (package
+    (name "emacs-async")
+    (home-page "https://github.com/jwiegley/emacs-async")
+    (version "1.9.3")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url home-page)
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1zsnb6dy8p6y68xgidv3dfxaga4biramfw8fq7wac0sc50vc98vq"))))
+    (build-system emacs-build-system)
+    (synopsis "Asynchronous processing in Emacs")
+    (description
+     "This package provides the ability to call asynchronous functions and
+processes.  For example, it can be used to run dired commands (for copying,
+moving, etc.) asynchronously using @code{dired-async-mode}.  Also it is used
+as a library for other Emacs packages.")
+    (license license:gpl3+)))
+
+(define-public emacs-auctex
+  (package
+    (name "emacs-auctex")
+    (version "12.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://elpa.gnu.org/packages/auctex-"
+             version
+             ".tar"))
+       (sha256
+        (base32
+         "0iy5x61xqkxaph2hq64sg50l1c6yp6qhzppwadayxkdz00b46sas"))))
+    (build-system emacs-build-system)
+    ;; We use 'emacs' because AUCTeX requires dbus at compile time
+    ;; ('emacs-minimal' does not provide dbus).
+    (arguments
+     `(#:emacs ,emacs
+       #:include '("\\.el$" "^images/" "^latex/" "\\.info$")
+       #:exclude '("^tests/" "^latex/README")))
+    (native-inputs
+     `(("perl" ,perl)))
+    (home-page "https://www.gnu.org/software/auctex/")
+    (synopsis "Integrated environment for TeX")
+    (description
+     "AUCTeX is a comprehensive customizable integrated environment for
+writing input files for TeX, LaTeX, ConTeXt, Texinfo, and docTeX using Emacs
+or XEmacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-autothemer
+  (package
+    (name "emacs-autothemer")
+    (version "0.2.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/sebastiansturm/autothemer/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0rd28r9wfrbll212am4ih9hrvypx785aff76va2cbfxdwm9kixsa"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)))
+    (home-page "https://github.com/sebastiansturm/autothemer")
+    (synopsis "Conveniently create Emacs themes")
+    (description
+     "Autothemer provides a thin layer on top of @code{deftheme} and
+@code{custom-theme-set-faces} that creates a new custom color theme, based on
+a set of simplified face specifications and a user-supplied color palette")
+    (license license:gpl3+)))
+
+(define-public emacs-howm
+  (package
+    (name "emacs-howm")
+    (version "1.4.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://howm.sourceforge.jp/a/howm-"
+                           version ".tar.gz"))
+       (sha256
+        (base32
+         "0ddm91l6z58j7x59fa966j6q1rg4cinyza4r8ibg80hprn5h31qk"))))
+    (build-system gnu-build-system)
+    (native-inputs
+     `(("emacs" ,emacs-minimal)))
+    (arguments
+     `(#:configure-flags
+       (list (string-append "--with-howmdir=" %output
+                            "/share/emacs/site-lisp/guix.d/howm-" ,version))
+       #:modules ((guix build gnu-build-system)
+                  ((guix build emacs-build-system) #:prefix emacs:)
+                  (guix build utils))
+       #:imported-modules (,@%gnu-build-system-modules
+                           (guix build emacs-build-system)
+                           (guix build emacs-utils))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'make-autoloads
+           (assoc-ref emacs:%standard-phases 'make-autoloads)))))
+    (home-page "http://howm.osdn.jp/")
+    (synopsis "Note-taking tool for Emacs")
+    (description "Howm is a note-taking tool for Emacs.  Like
+code@{emacs-wiki.el}, it facilitates using hyperlinks and doing full-text
+searches.  Unlike code@{emacs-wiki.el}, it can be combined with any format.")
+    (license license:gpl1+)))
+
+(define-public emacs-calfw
+  (package
+    (name "emacs-calfw")
+    (version "1.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/kiwanami/emacs-calfw/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1zr91xr0f1xfcv78yxka8vs5ximmq2ixmqf2pkb57kwwnxlypq4i"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-howm" ,emacs-howm)))
+    (home-page "https://github.com/kiwanami/emacs-calfw/")
+    (synopsis "Calendar framework for Emacs")
+    (description
+     "This package displays a calendar view with various schedule data in the
+Emacs buffer.")
+    (license license:gpl3+)))
+
+(define-public emacs-direnv
+  (package
+    (name "emacs-direnv")
+    (version "1.2.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/wbolster/emacs-direnv/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0m9nxawklhiiysyibzzhh2zkxgq1fskqvaqb06f7r8dnhabfy9fr"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("dash" ,emacs-dash)
+       ("with-editor" ,emacs-with-editor)))
+    (home-page "https://github.com/wbolster/emacs-direnv")
+    (synopsis "Direnv integration for Emacs")
+    (description
+     "This package provides support for invoking direnv to get the environment
+for the current file and updating the environment within Emacs to match.
+
+Direnv can be invoked manually, and a global minor mode is included that will
+update the environment when the active buffer changes.
+
+Using emacs-direnv means that programs started from Emacs will use the
+environment set through Direnv.")
+    (license license:gpl3+)))
+
+(define-public emacs-ggtags
+  (package
+    (name "emacs-ggtags")
+    (version "0.8.13")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://elpa.gnu.org/packages/ggtags-"
+                           version ".el"))
+       (sha256
+        (base32
+         "1qa7lcrcmf76sf6dy8sxbg4adq7rg59fm0n5848w3qxgsr0h45fg"))))
+    (build-system emacs-build-system)
+    (inputs
+     `(("global" ,global)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'configure
+           (lambda* (#:key inputs #:allow-other-keys)
+             (chmod "ggtags.el" #o644)
+             (emacs-substitute-variables "ggtags.el"
+               ("ggtags-executable-directory"
+                (string-append (assoc-ref inputs "global") "/bin")))
+             #t)))))
+    (home-page "https://github.com/leoliu/ggtags")
+    (synopsis "Frontend to the GNU Global source code tagging system")
+    (description "@code{ggtags} provides a frontend to the GNU Global source
+code tagging system.
+
+Features:
+
+@itemize
+@item Build on @code{compile.el} for asynchronicity and its large feature-set.
+@item Automatically update Global's tag files when needed with tuning for
+large source trees.
+@item Intuitive navigation among multiple matches with mode-line display of
+current match, total matches and exit status.
+@item Read tag with completion.
+@item Show definition at point.
+@item Jump to #include files.
+@item Support search history and saving a search to register/bookmark.
+@item Query replace.
+@item Manage Global's environment variables on a per-project basis.
+@item Highlight (definition) tag at point.
+@item Abbreviated display of file names.
+@item Support all Global search backends: @code{grep}, @code{idutils}, etc.
+@item Support exuberant ctags @url{http://ctags.sourceforge.net/} and
+@code{pygments} backend.
+@item Support all Global's output formats: @code{grep}, @code{ctags-x},
+@code{cscope} etc.
+@item Support projects on remote hosts (e.g. via @code{tramp}).
+@item Support eldoc.
+@item Search @code{GTAGSLIBPATH} for references and symbols.
+@end itemize\n")
+    (license license:gpl3+)))
+
+(define-public emacs-go-mode
+  (package
+    (name "emacs-go-mode")
+    (version "1.5.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/dominikh/go-mode.el.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1nd2h50yb0493wvf1h7fzplq45rmqn2w7kxpgnlxzhkvq99v8vzf"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'make-writable
+           (lambda _
+             (for-each make-file-writable (find-files "." "\\.el$"))
+             #t)))))
+    (home-page "https://github.com/dominikh/go-mode.el")
+    (synopsis "Go mode for Emacs")
+    (description
+     "This package provides go-mode, an Emacs mode for working with software
+written in the Go programming language.")
+    (license license:bsd-3)))
+
+(define-public emacs-google-maps
+  (package
+    (name "emacs-google-maps")
+    (version "1.0.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/jd/google-maps.el/"
+                                  "archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "014bxapm4d8vjxbzrfjdpsavxyfx981mlcb10aq5rmigr6il8ybs"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/jd/google-maps.el")
+    (synopsis "Access Google Maps from Emacs")
+    (description "The @code{google-maps} package allows to display Google
+Maps directly inside Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-graphviz-dot-mode
+  (let ((commit "c456a2b65c734089e6c44e87209a5a432a741b1a")
+        (revision "1"))
+    (package
+      (name "emacs-graphviz-dot-mode")
+      (version (string-append "0.3.11-" revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/ppareit/graphviz-dot-mode.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "0j1r2rspaakw37b0mx7pwpvdsvixq9sw3xjbww5piihzpdxz58z1"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-before 'install 'make-info
+             (lambda* (#:key inputs #:allow-other-keys)
+               (with-directory-excursion "texinfo"
+                 (substitute* "Makefile"
+                   (("\\/usr\\/bin\\/gzip")
+                    (string-append (assoc-ref inputs "gzip") "/bin/gzip")))
+                 (invoke "make"
+                         "clean"
+                         "info"
+                         (string-append "TEXINFODIR="
+                                        (assoc-ref inputs "texinfo")
+                                        "/bin")))))
+           (add-after 'install 'install-info
+             (lambda* (#:key outputs #:allow-other-keys)
+               (let* ((out  (assoc-ref outputs "out"))
+                      (info (string-append out "/share/info")))
+                 (install-file "texinfo/graphviz-dot-mode.info.gz" info)
+                 #t))))))
+      (native-inputs
+       `(("texinfo" ,texinfo)
+         ("gzip" ,gzip)))
+      (home-page "http://ppareit.github.com/graphviz-dot-mode")
+      (synopsis "Major mode for editing Graphviz Dot files")
+      (description
+       "This Emacs packages helps you to create @file{.dot} or @file{.gv}
+files using the dot syntax, and use Graphviz to convert these files to
+diagrams.")
+      (license license:gpl2+))))
+
+(define-public emacs-mmm-mode
+  (package
+    (name "emacs-mmm-mode")
+    (version "0.5.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/purcell/mmm-mode/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0c5ing3hcr74k78hqhrfwiv6m3n8hqfrw89j2x34vf60f4iyqzqc"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'autogen
+           (lambda _
+             (invoke "sh" "autogen.sh"))))))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("emacs" ,emacs-minimal)
+       ("texinfo" ,texinfo)))
+    (home-page "https://github.com/purcell/mmm-mode")
+    (synopsis "Allow multiple major modes in an Emacs buffer")
+    (description
+     "MMM Mode is a minor mode that allows multiple major modes to coexist in a
+single buffer.")
+    (license license:gpl3+)))
+
+(define-public emacs-tablist
+  (package
+    (name "emacs-tablist")
+    (version "0.70")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/politza/tablist/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "177d6s7ym1mwz1nhnl09r14z3n093g9a2szm97xsaig0c204xz9c"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/politza/tablist")
+    (synopsis "Extension for @code{tabulated-list-mode}")
+    (description "Tablist is the Emacs package that provides several
+additional features to @code{tabulated-list-mode}: it adds marks,
+filters, new key bindings and faces.  It can be enabled by
+@code{tablist-mode} or @code{tablist-minor-mode} commands.")
+    (license license:gpl3+)))
+
+(define-public emacs-pdf-tools
+  (package
+    (name "emacs-pdf-tools")
+    (version "0.80")
+    (home-page "https://github.com/politza/pdf-tools")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference (url home-page)
+                                  (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1i4647vax5na73basc5dz4lh9kprir00fh8ps4i0l1y3ippnjs2s"))
+              (patches (search-patches "emacs-pdf-tools-poppler.patch"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f ; there are no tests
+       #:modules ((guix build gnu-build-system)
+                  ((guix build emacs-build-system) #:prefix emacs:)
+                  (guix build utils)
+                  (guix build emacs-utils))
+       #:imported-modules (,@%gnu-build-system-modules
+                           (guix build emacs-build-system)
+                           (guix build emacs-utils))
+       #:phases
+       (modify-phases %standard-phases
+         ;; Build server side using 'gnu-build-system'.
+         (add-after 'unpack 'enter-server-dir
+           (lambda _ (chdir "server") #t))
+         (add-after 'enter-server-dir 'autogen
+           (lambda _
+             (invoke "bash" "autogen.sh")))
+
+         ;; Build emacs side using 'emacs-build-system'.
+         (add-after 'compress-documentation 'enter-lisp-dir
+           (lambda _ (chdir "../lisp") #t))
+         (add-after 'enter-lisp-dir 'emacs-patch-variables
+           (lambda* (#:key outputs #:allow-other-keys)
+             (for-each make-file-writable (find-files "."))
+
+             ;; Set path to epdfinfo program.
+             (emacs-substitute-variables "pdf-info.el"
+               ("pdf-info-epdfinfo-program"
+                (string-append (assoc-ref outputs "out")
+                               "/bin/epdfinfo")))
+             ;; Set 'pdf-tools-handle-upgrades' to nil to avoid "auto
+             ;; upgrading" that pdf-tools tries to perform.
+             (emacs-substitute-variables "pdf-tools.el"
+               ("pdf-tools-handle-upgrades" '()))))
+         (add-after 'emacs-patch-variables 'emacs-set-emacs-load-path
+           (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
+         (add-after 'emacs-set-emacs-load-path 'emacs-install
+           (assoc-ref emacs:%standard-phases 'install))
+         (add-after 'emacs-install 'emacs-build
+           (assoc-ref emacs:%standard-phases 'build))
+         (add-after 'emacs-install 'emacs-make-autoloads
+           (assoc-ref emacs:%standard-phases 'make-autoloads)))))
+    (native-inputs `(("autoconf" ,autoconf)
+                     ("automake" ,automake)
+                     ("pkg-config" ,pkg-config)
+                     ("emacs" ,emacs-minimal)))
+    (inputs `(("poppler" ,poppler)
+              ("cairo" ,cairo)
+              ("glib" ,glib)
+              ("libpng" ,libpng)
+              ("zlib" ,zlib)))
+    (propagated-inputs `(("tablist" ,emacs-tablist)))
+    (synopsis "Emacs support library for PDF files")
+    (description
+     "PDF Tools is, among other things, a replacement of DocView for PDF
+files.  The key difference is that pages are not pre-rendered by
+e.g. ghostscript and stored in the file-system, but rather created on-demand
+and stored in memory.")
+    (license license:gpl3+)))
+
+(define-public emacs-dash
+  (package
+    (name "emacs-dash")
+    (version "2.14.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/magnars/dash.el.git")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1kzijmjxjxgr7p8clphzvmm47vczckbs8mza9an77c25bn627ywl"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("./run-tests.sh")))
+    (home-page "https://github.com/magnars/dash.el")
+    (synopsis "Modern list library for Emacs")
+    (description "This package provides a modern list API library for Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-bui
+  (package
+    (name "emacs-bui")
+    (version "1.2.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://notabug.org/alezost/emacs-bui.git")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "0sszdl4kvqbihdh8d7mybpp0d8yw2p3gyiipjcxz9xhvvmw3ww4x"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("dash" ,emacs-dash)))
+    (home-page "https://notabug.org/alezost/emacs-bui")
+    (synopsis "Buffer interface library for Emacs")
+    (description
+     "BUI (Buffer User Interface) is a library for making @code{list} and
+@code{info} interfaces to display an arbitrary data of the same
+type, for example: packages, buffers, files, etc.")
+    (license license:gpl3+)))
+
+(define-public emacs-guix
+  (package
+    (name "emacs-guix")
+    (version "0.5.1.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://emacs-guix.gitlab.io/website/"
+                                  "releases/emacs-guix-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1gxg7lan3njc2yg2d02b2zij0d2cm2pv2q08nqz86s85jk3b6m03"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:configure-flags
+       (let ((guix        (assoc-ref %build-inputs "guix"))
+             (gcrypt      (assoc-ref %build-inputs "guile-gcrypt"))
+             (geiser      (assoc-ref %build-inputs "geiser"))
+             (dash        (assoc-ref %build-inputs "dash"))
+             (bui         (assoc-ref %build-inputs "bui"))
+             (magit-popup (assoc-ref %build-inputs "magit-popup"))
+             (edit-indirect (assoc-ref %build-inputs "edit-indirect"))
+             (site-lisp   "/share/emacs/site-lisp")
+             (site-scm    "/share/guile/site")
+             (site-go     "/lib/guile")
+             (guile-dir (lambda (dir)
+                          (car (find-files dir
+                                           (lambda (file stat)
+                                             (string-prefix?
+                                              "2." (basename file)))
+                                           #:directories? #t)))))
+         (list (string-append "--with-guix-site-dir="
+                              (guile-dir (string-append guix site-scm)))
+               (string-append "--with-guix-site-ccache-dir="
+                              (guile-dir (string-append guix site-go))
+                              "/site-ccache")
+               (string-append "--with-guile-gcrypt-site-dir="
+                              (guile-dir (string-append gcrypt site-scm)))
+               (string-append "--with-guile-gcrypt-site-ccache-dir="
+                              (guile-dir (string-append gcrypt site-go))
+                              "/site-ccache")
+               (string-append "--with-geiser-lispdir=" geiser site-lisp)
+               (string-append "--with-dash-lispdir="
+                              dash site-lisp "/guix.d/dash-"
+                              ,(package-version emacs-dash))
+               (string-append "--with-bui-lispdir="
+                              bui site-lisp "/guix.d/bui-"
+                              ,(package-version emacs-bui))
+               (string-append "--with-editindirect-lispdir="
+                              edit-indirect site-lisp "/guix.d/edit-indirect-"
+                              ,(package-version emacs-edit-indirect))
+               (string-append "--with-popup-lispdir="
+                              magit-popup site-lisp "/guix.d/magit-popup-"
+                              ,(package-version emacs-magit-popup))))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("emacs" ,emacs-minimal)))
+    (inputs
+     `(("guile" ,guile-2.2)
+       ("guix" ,guix)))
+    (propagated-inputs
+     `(("geiser" ,emacs-geiser)
+       ("guile-gcrypt" ,guile-gcrypt)
+       ("dash" ,emacs-dash)
+       ("bui" ,emacs-bui)
+       ("edit-indirect" ,emacs-edit-indirect)
+       ("magit-popup" ,emacs-magit-popup)))
+    (home-page "https://emacs-guix.gitlab.io/website/")
+    (synopsis "Emacs interface for GNU Guix")
+    (description
+     "Emacs-Guix provides a visual interface, tools and features for the GNU
+Guix package manager.  Particularly, it allows you to do various package
+management tasks from Emacs.  To begin with, run @code{M-x guix-about} or
+@code{M-x guix-help} command.")
+    (license license:gpl3+)))
+
+(define-public emacs-build-farm
+  (package
+    (name "emacs-build-farm")
+    (version "0.2.2")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://notabug.org/alezost/emacs-build-farm.git")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "0i0bwbav5861j2y15j9nd5m9rdqg9q97zgcbld8pivr9nyxy63lz"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("bui" ,emacs-bui)
+       ("magit-popup" ,emacs-magit-popup)))
+    (home-page "https://notabug.org/alezost/emacs-build-farm")
+    (synopsis "Emacs interface for Hydra and Cuirass build farms")
+    (description
+     "This Emacs package provides an interface for Hydra and
+Cuirass (build farms used by Nix and Guix).  It allows you to look at
+various data related to the build farm projects, jobsets, builds and
+evaluations.  The entry point is @code{M-x build-farm} command.")
+    (license license:gpl3+)))
+
+(define-public emacs-d-mode
+  (package
+    (name "emacs-d-mode")
+    (version "2.0.9")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/Emacs-D-Mode-Maintainers/Emacs-D-Mode/"
+                    "archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "127aa77ix3p7w4g339bx026df9y649dahlr3v359z0hs40zjz3kd"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-undercover" ,emacs-undercover)))
+    (home-page "https://github.com/Emacs-D-Mode-Maintainers/Emacs-D-Mode")
+    (synopsis "Emacs major mode for editing D code")
+    (description "This package provides an Emacs major mode for highlighting
+code written in the D programming language.  This mode is currently known to
+work with Emacs 24 and 25.")
+    (license license:gpl2+)))
+
+(define-public emacs-keyfreq
+  (package
+    (name "emacs-keyfreq")
+    (version "20160516.716")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append "http://melpa.org/packages/keyfreq-"
+               version ".el"))
+        (sha256
+          (base32
+            "008hd7d06qskc3mx0bbdgpgy2pwxr8185fzlyqf9qjg49y74p6g8"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/dacap/keyfreq")
+    (synopsis "Track Emacs command frequencies")
+    (description "@code{emacs-keyfeq} tracks and shows how many times you used
+a command.")
+    (license license:gpl3+)))
+
+(define-public emacs-olivetti
+  (package
+    (name "emacs-olivetti")
+    (version "1.5.7")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://stable.melpa.org/packages/olivetti-"
+                    version ".el"))
+              (sha256
+               (base32
+                "1yj2ylg46q0pw1xzlv2b0fv9x8p56x25284s9v2smwjr4vf0nwcj"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/rnkn/olivetti")
+    (synopsis "Emacs minor mode for a nice writing environment")
+    (description "This package provides an Emacs minor mode that puts writing
+in the center.")
+    (license license:gpl3+)))
+
+(define-public emacs-undo-tree
+  (package
+    (name "emacs-undo-tree")
+    (version "0.6.6")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "http://dr-qubit.org/git/undo-tree.git")
+                    (commit (string-append "release/" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1hnh2mnmw179gr094r561w6cw1haid0lpvpqvkc24wpj82vphzpa"))))
+    (build-system emacs-build-system)
+    (home-page "http://www.dr-qubit.org/emacs.php")
+    (synopsis "Treat undo history as a tree")
+    (description "Tree-like interface to Emacs undo system, providing
+graphical tree presentation of all previous states of buffer that
+allows easily move between them.")
+    (license license:gpl3+)))
+
+(define-public emacs-s
+  (package
+    (name "emacs-s")
+    (version "1.12.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/magnars/s.el/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0xbl75863pcm806zg0x1lw7qznzjq2c8320k8js7apyag8q4srvh"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:emacs ,emacs ; FIXME: tests fail with emacs-minimal
+       #:test-command '("./run-tests.sh")))
+    (home-page "https://github.com/magnars/s.el")
+    (synopsis "Emacs string manipulation library")
+    (description "This package provides an Emacs library for manipulating
+strings.")
+    (license license:gpl3+)))
+
+(define-public emacs-symon
+  (package
+    (name "emacs-symon")
+    (version "20160630")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/zk-phi/symon/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0h4jcgdnq98wc9rj72nwyazq8498yg55jfljiij5qwbn1xf1g5zz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/zk-phi/symon")
+    (synopsis "Tiny graphical system monitor")
+    (description
+     "Tiny graphical system monitor for the Emacs minibuffer when idle.")
+    (license license:gpl2+)))
+
+(define-public emacs-sx
+  (let ((version "20180212")
+        (revision "1")
+        (commit "833435fbf90d1c9e927d165b155f3b1ef39271de"))
+    (package
+      (name "emacs-sx")
+      (version (git-version version revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/vermiculus/sx.el")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "1369xaxq1vy3d9yh862ddnhddikdpg2d0wv1ly00pnvdp9v4cqgd"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-markdown-mode" ,emacs-markdown-mode)))
+      (home-page "https://github.com/vermiculus/sx.el")
+      (synopsis "Emacs StackExchange client")
+      (description
+       "Emacs StackExchange client.  Ask and answer questions on
+Stack Overflow, Super User, and other StackExchange sites.")
+      (license license:gpl3+))))
+
+(define-public emacs-f
+  (package
+    (name "emacs-f")
+    (version "0.20.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/rejeep/f.el.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1a47xk3yp1rp17fqg7ldl3d3fb888h0fz3sysqfdz1bfdgs8a9bk"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-s" ,emacs-s)
+       ("emacs-dash" ,emacs-dash)))
+    (home-page "https://github.com/rejeep/f.el")
+    (synopsis "Emacs API for working with files and directories")
+    (description "This package provides an Emacs library for working with
+files and directories.")
+    (license license:gpl3+)))
+
+(define-public emacs-git-gutter
+  (package
+    (name "emacs-git-gutter")
+    (version "0.90")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append
+                   "https://github.com/syohex/" name "/archive/"
+                   version ".tar.gz"))
+             (file-name (string-append name "-" version ".tar.gz"))
+             (sha256
+              (base32
+               "1nmhvhpq1l56mj2yq3ag23rw3x4xgnsy8szp30s26l0yjnkhc4qg"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/syohex/emacs-git-gutter")
+    (synopsis "See and manage hunks of text in a version control system")
+    (description
+     "This package is an Emacs minor mode for displaying and interacting with
+hunks of text managed in a version control system.  Added modified and deleted
+areas can be indicated with symbols on the edge of the buffer, and commands
+can be used to move between and perform actions on these hunks.
+
+Git, Mercurial, Subversion and Bazaar are supported, and many parts of the
+display and behaviour is easily customisable.")
+    (license license:gpl3+)))
+
+(define-public emacs-git-timemachine
+  (package
+    (name "emacs-git-timemachine")
+    (version "4.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://gitlab.com/pidu/git-timemachine"
+                           "/-/archive/" version
+                           "/git-timemachine-" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0ii40qcincasg7s1yrvqcxkqcqzb4sfs7gcxscn6m4x4ans165zy"))))
+    (build-system emacs-build-system)
+    (home-page "https://gitlab.com/pidu/git-timemachine")
+    (synopsis "Step through historic versions of Git-controlled files")
+    (description "This package enables you to step through historic versions
+of files under Git version control from within Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-minitest
+  (let ((commit "1aadb7865c1dc69c201cecee275751ecec33a182")
+        (revision "1"))
+    (package
+      (name "emacs-minitest")
+      (version (git-version "0.8.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/arthurnn/minitest-emacs")
+                      (commit commit)))
+                (file-name (git-file-name name commit))
+                (sha256
+                 (base32
+                  "1l18zqpdzbnqj2qawq8hj7z7pl8hr8z9d8ihy8jaiqma915hmhj1"))))
+      (build-system emacs-build-system)
+      (arguments
+       '(#:include (cons "^snippets\\/minitest-mode\\/" %default-include)
+         #:exclude (delete "^[^/]*tests?\\.el$" %default-exclude)))
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)
+         ("emacs-f" ,emacs-f)))
+      (home-page "https://github.com/arthurnn/minitest-emacs")
+      (synopsis "Emacs minitest mode")
+      (description
+       "The minitest mode provides commands to run the tests for the current
+file or line, as well as rerunning the previous tests, or all the tests for a
+project.
+
+This package also includes relevant snippets for yasnippet.")
+      (license license:expat))))
+
+(define-public emacs-el-mock
+  (package
+    (name "emacs-el-mock")
+    (version "1.25.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/rejeep/el-mock.el/"
+                           "archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "16xw94n58xxn3zvgyj72bmzs0k5lkvswjmzs79ws9n7rzdivb38b"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/rejeep/el-mock.el")
+    (synopsis "Tiny mock and stub framework in Emacs Lisp")
+    (description
+     "Emacs Lisp Mock is a library for mocking and stubbing using readable
+syntax.  Most commonly Emacs Lisp Mock is used in conjunction with Emacs Lisp
+Expectations, but it can be used in other contexts.")
+    (license license:gpl3+)))
+
+(define-public emacs-espuds
+  (package
+    (name "emacs-espuds")
+    (version "0.3.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/ecukes/espuds/"
+                           "archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0xv551376pbmh735a3zjwc9z4qdx6ngj1vpq3xqjpn0a1rwjyn4k"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-s" ,emacs-s)
+       ("emacs-dash" ,emacs-dash)
+       ("emacs-f" ,emacs-f)))
+    (home-page "https://github.com/ecukes/espuds")
+    (synopsis "Common step definitions for Ecukes")
+    (description "Espuds is a collection of the most commonly used step
+definitions for testing with the Ecukes framework.")
+    (license license:gpl3+)))
+
+(define-public emacs-spark
+  (let ((version "20160503")  ; no proper tag, use date of commit
+        (commit "0bf148c3ede3b31d56fd75f347cdd0b0eae60025")
+        (revision "1"))
+    (package
+      (name "emacs-spark")
+      (version (git-version version revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/alvinfrancis/spark.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "1ykqr86j17mi95s08d9fp02d7ych1331b04dcqxzxnmpkhwngyj1"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/alvinfrancis/spark")
+      (synopsis "Sparkline generation library for Emacs Lisp")
+      (description "@code{emacs-spark} is a sparkline generation library for
+Emacs Lisp.  It generates a sparkline string given a list of numbers.  It is a
+port of @code{cl-spark} to Emacs Lisp.")
+      (license license:expat))))
+
+(define-public emacs-es-mode
+  (package
+    (name "emacs-es-mode")
+    (version "4.3.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/dakrone/es-mode/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0y86qdcb3g7fkcb4pzsjh3syzql6w3314hg1wqxq4a8bbk3y0cgr"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     ;; The version of org in Emacs 24.5 is not sufficient, and causes tables
+     ;; to be rendered incorrectly
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-org" ,emacs-org)
+       ("emacs-spark" ,emacs-spark)))
+    (home-page "https://github.com/dakrone/es-mode")
+    (synopsis "Major mode for editing Elasticsearch queries")
+    (description "@code{es-mode} includes highlighting, completion and
+indentation support for Elasticsearch queries.  Also supported are
+@code{es-mode} blocks in @code{org-mode}, for which the results of queries can
+be processed through @code{jq}, or in the case of aggregations, can be
+rendered in to a table.  In addition, there is an @code{es-command-center}
+mode, which displays information about Elasticsearch clusters.")
+    (license license:gpl3+)))
+
+(define-public emacs-expand-region
+  (package
+    (name "emacs-expand-region")
+    (version "0.11.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/magnars/expand-region.el"
+                           "/archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "08dy1f411sh9wwww53rjw80idcf3vpki6ba2arl4hl5jcw9651g0"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/magnars/expand-region.el")
+    (synopsis "Increase selected region by semantic units")
+    (description
+     "Expand region increases the selected region by semantic units.  Just
+keep pressing the key until it selects what you want.  There's also
+@code{er/contract-region} if you expand too far.")
+    (license license:gpl3+)))
+
+(define-public emacs-fill-column-indicator
+  (package
+    (name "emacs-fill-column-indicator")
+    (version "1.89")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/alpaker/Fill-Column-Indicator"
+                           "/archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "09ab01np14bdcsr38xf95kpnvxzqr46mdjmphg3pigwnx39a3jvg"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/FillColumnIndicator")
+    (synopsis "Graphically indicate the fill column")
+    (description
+     "Fill-column-indicator graphically indicates the location of the fill
+column by drawing a thin line down the length of the editing window.")
+    (license license:gpl3+)))
+
+(define-public emacs-grep-a-lot
+  (package
+    (name "emacs-grep-a-lot")
+    (version "1.0.7")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/ZungBang/emacs-grep-a-lot.git")
+                    (commit "9f9f645b9e308a0d887b66864ff97d0fca1ba4ad")))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1f8262mrlinzgnn4m49hbj1hm3c1mvzza24py4b37sasn49546lw"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ZungBang/emacs-grep-a-lot")
+    (synopsis "Enables multiple grep buffers in Emacs")
+    (description
+     "This Emacs package allows managing multiple grep buffers.")
+    (license license:gpl3+)))
+
+(define-public emacs-inf-ruby
+  (package
+    (name "emacs-inf-ruby")
+    (version "2.5.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/nonsequitur/inf-ruby/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0m7323k649ckxql1grsdnf71bjhys7l4qb8wbpphb1mr1q8i4066"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/nonsequitur/inf-ruby")
+    (synopsis "Provides a REPL buffer connected to a Ruby subprocess in Emacs")
+    (description
+     "@code{inf-ruby} provides a Read Eval Print Loop (REPL) buffer, allowing
+for easy interaction with a ruby subprocess.  Features include support for
+detecting specific uses of Ruby, e.g. when using rails, and using a
+appropriate console.")
+    (license license:gpl3+)))
+
+(define-public emacs-znc
+  (package
+    (name "emacs-znc")
+    (version "0.0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://marmalade-repo.org/packages/znc-"
+                           version ".el"))
+       (sha256
+        (base32
+         "1d8lqvybgyazin5z0g1c4l3rg1vzrrvf0saqs53jr1zcdg0lianh"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/sshirokov/ZNC.el")
+    (synopsis "Make ERC and ZNC get along better")
+    (description
+     "This is a thin wrapper around @code{erc} that enables one to use the ZNC
+IRC bouncer with ERC.")
+    (license license:expat)))
+
+(define-public emacs-shut-up
+  (package
+    (name "emacs-shut-up")
+    (version "0.3.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/cask/shut-up/"
+                           "archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "09kzrjdkb569iviyg7ydwq44yh84m3f9hkl7jizfrlk0w4gz67d1"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/cask/shut-up")
+    (synopsis "Silence Emacs")
+    (description "This package silences most output of Emacs when running an
+Emacs shell script.")
+    (license license:expat)))
+
+(define-public emacs-undercover
+  (package
+    (name "emacs-undercover")
+    (version "0.6.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/sviridov/undercover.el/"
+                           "archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0f48fi0xnbsqs382rgh85m9mq1wdnr0yib7as9xhwzvq0hsr5m0a"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-shut-up" ,emacs-shut-up)))
+    (home-page "https://github.com/sviridov/undercover.el")
+    (synopsis "Test coverage library for Emacs Lisp")
+    (description
+     "Undercover is a test coverage library for software written in Emacs
+Lisp.")
+    (license license:expat)))
+
+(define-public emacs-paren-face
+  (package
+    (name "emacs-paren-face")
+    (version "1.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/tarsius/paren-face/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0y4qrhxa9332vsvr999jg7qj1ymnfgwpf591yi4a4jgg90pm7qnn"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/tarsius/paren-face")
+    (synopsis "Face for parentheses in lisp modes")
+    (description
+     "This library defines a face named @code{parenthesis} used just for
+parentheses.  The intended purpose of this face is to make parentheses less
+visible in Lisp code by dimming them.  Lispers probably don't need to be
+constantly made aware of the existence of the parentheses.  Dimming them might
+be even more useful for people new to lisp who have not yet learned to
+subconsciously blend out the parentheses.")
+    (license license:gpl3+)))
+
+(define-public emacs-page-break-lines
+  (package
+    (name "emacs-page-break-lines")
+    (version "0.11")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/purcell/page-break-lines/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1zzhziq5kbrm9rxk30kx2glz455fp1blqxg8cpcf6l8xl3w8z4pg"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/purcell/page-break-lines")
+    (synopsis "Display page breaks as tidy horizontal lines")
+    (description
+     "This library provides a global mode which displays form feed characters
+as horizontal rules.")
+    (license license:gpl3+)))
+
+(define-public emacs-simple-httpd
+  (package
+    (name "emacs-simple-httpd")
+    (version "1.4.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/skeeto/emacs-web-server/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "01r7h3imnj4qx1m53a2wjafvbylcyz5f9r2rg2cs7ky3chlg220r"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/skeeto/emacs-http-server")
+    (synopsis "HTTP server in pure Emacs Lisp")
+    (description
+     "This package provides a simple HTTP server written in Emacs Lisp to
+serve files and directory listings.")
+    (license license:unlicense)))
+
+(define-public emacs-skewer-mode
+  (package
+    (name "emacs-skewer-mode")
+    (version "1.6.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/skeeto/skewer-mode/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "07jpz374j0j964szy3zznrkyja2kpdl3xa87wh7349mzxivqxdx0"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-simple-httpd" ,emacs-simple-httpd)
+       ("emacs-js2-mode" ,emacs-js2-mode)))
+    (arguments '(#:include '("\\.el$" "\\.js$" "\\.html$")))
+    (home-page "https://github.com/skeeto/skewer-mode")
+    (synopsis "Live web development in Emacs")
+    (description
+     "Skewer-mode provides live interaction with JavaScript, CSS, and HTML in
+a web browser.  Expressions are sent on-the-fly from an editing buffer to be
+evaluated in the browser, just like Emacs does with an inferior Lisp process
+in Lisp modes.")
+    (license license:unlicense)))
+
+(define-public emacs-string-inflection
+  (package
+    (name "emacs-string-inflection")
+    (version "1.0.6")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/akicho8/string-inflection")
+                    (commit "a150e7bdda60b7824d3a936750ce23f73b0e4edd")))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1k0sm552iawi49v4zis6dbb81d1rzgky9v0dpv7nj31gnb7bmy7k"))))
+    (build-system emacs-build-system)
+    (native-inputs
+     `(("ert-runner" ,emacs-ert-runner)))
+    (arguments
+     `(#:tests? #t
+       #:test-command '("ert-runner")))
+    (home-page "https://github.com/akicho8/string-inflection")
+    (synopsis "Convert symbol names between different naming conventions")
+    (description
+     "This Emacs package provides convenient methods for manipulating the
+naming style of a symbol.  It supports different naming conventions such as:
+
+@enumerate
+@item camel case
+@item Pascal case
+@item all upper case
+@item lower case separated by underscore
+@item etc...
+@end enumerate\n")
+    (license license:gpl2+)))
+
+(define-public emacs-stripe-buffer
+  (package
+    (name "emacs-stripe-buffer")
+    (version "0.2.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/sabof/stripe-buffer/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1p515dq7raly5hw94kiwm3vzsfih0d8af622q4ipvvljsm98aiik"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/sabof/stripe-buffer/")
+    (synopsis "Add stripes to list buffers")
+    (description
+     "This Emacs package adds faces to add stripes to list buffers and org
+tables.")
+    (license license:gpl2+)))
+
+(define-public emacs-rich-minority
+  (package
+    (name "emacs-rich-minority")
+    (version "1.0.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Malabarba/rich-minority/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1l0cb0q7kyi88nwfqd542psnkgwnjklpzc5rx32gzd3lkwkrbr8v"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Malabarba/rich-minority")
+    (synopsis "Clean-up and beautify the list of minor modes")
+    (description
+     "This Emacs package hides and/or highlights minor modes in the
+mode-line.")
+    (license license:gpl2+)))
+
+(define-public emacs-robe
+  (package
+    (name "emacs-robe")
+    (version "0.8.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/dgutov/robe/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1vp45y99fwj88z04ah4yppz4z568qcib646az6m9az5ar0f203br"))))
+    (build-system emacs-build-system)
+    (arguments
+     '(#:include (cons "^lib\\/" %default-include)))
+    (propagated-inputs
+     `(("emacs-inf-ruby" ,emacs-inf-ruby)))
+    (home-page "https://github.com/dgutov/robe")
+    (synopsis "Ruby code assistance tool for Emacs")
+    (description
+     "Robe can provide information on loaded classes and modules in Ruby code,
+as well as where methods are defined.  This allows the user to jump to method
+definitions, modules and classes, display method documentation and provide
+method and constant name completion.")
+    (license license:gpl3+)))
+
+(define-public emacs-rspec
+  (package
+    (name "emacs-rspec")
+    (version "1.11")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/pezra/rspec-mode/"
+                           "archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1j0a7ms5516nlg60qfyn730pfxys6acm0rgyxh5xfkpi6jafgpvw"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/pezra/rspec-mode")
+    (synopsis "Provides a rspec mode for working with RSpec")
+    (description
+     "The Emacs RSpec mode provides keybindings for Ruby source files, e.g. to
+verify the spec associated with the current buffer, or entire project, as well
+as moving between the spec files, and coresponding code files.
+
+Also included are keybindings for spec files and Dired buffers, as well as
+snippets for yasnippet.")
+    (license license:gpl3+)))
+
+(define-public emacs-smart-mode-line
+  (package
+    (name "emacs-smart-mode-line")
+    (version "2.12.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Malabarba/smart-mode-line/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1hn8s6laijmg7w1bgwdfrki6h9vxkbgr8rmmssvd5yqyad5w2sba"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-rich-minority" ,emacs-rich-minority)))
+    (home-page "https://github.com/Malabarba/smart-mode-line")
+    (synopsis "Color-coded smart mode-line")
+    (description
+     "Smart Mode Line is a mode-line theme for Emacs.  It aims to be easy to
+read from small to large monitors by using colors, a prefix feature, and smart
+truncation.")
+    (license license:gpl2+)))
+
+(define-public emacs-sr-speedbar
+  (let ((commit "77a83fb50f763a465c021eca7343243f465b4a47")
+        (revision "0"))
+    (package
+      (name "emacs-sr-speedbar")
+      (version (git-version "20161025" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacsorphanage/sr-speedbar.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0sd12555hk7z721y00kv3crdybvcn1i08wmd148z5imayzibj153"))))
+      (build-system emacs-build-system)
+      (home-page "https://www.emacswiki.org/emacs/SrSpeedbar")
+      (synopsis "Same frame Emacs @code{speedbar}")
+      (description
+       "This Emacs package allows you to show @code{M-x speedbar} in the
+same frame (in an extra window).  You can customize the initial width of
+the speedbar window.")
+      (license license:gpl3+))))
+
+(define-public emacs-shell-switcher
+  (package
+    (name "emacs-shell-switcher")
+    (version "1.0.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/DamienCassou/shell-switcher"
+                           "/archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1c23mfkdqz2g9rixd9smm323vzlvhzz3ng34ambcqjfq309qb2nz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/DamienCassou/shell-switcher")
+    (synopsis "Provide fast switching between shell buffers")
+    (description
+     "This package provides commands to quickly switch between shell buffers.")
+    (license license:gpl3+)))
+
+(define-public emacs-ob-ipython
+  (package
+    (name "emacs-ob-ipython")
+    (version "20150704.8807064693")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (commit "880706469338ab59b5bb7dbe8460016f89755364")
+                    (url "https://github.com/gregsexton/ob-ipython.git")))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1scf25snbds9ymagpny30ijbsg479r3nm0ih01dy4m9d0g7qryb7"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-f" ,emacs-f)))
+    (home-page "http://www.gregsexton.org")
+    (synopsis "Org-Babel functions for IPython evaluation")
+    (description "This package adds support to Org-Babel for evaluating Python
+source code using IPython.")
+    (license license:gpl3+)))
+
+(define-public emacs-debbugs
+  (package
+    (name "emacs-debbugs")
+    (version "0.16")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/debbugs-"
+                                  version ".tar"))
+              (sha256
+               (base32
+                "0y3bq803c7820h15g66d1648skxfhlfa2v6vincj6xk5ssp44s9p"))))
+    (build-system emacs-build-system)
+    (arguments '(#:include '("\\.el$" "\\.wsdl$" "\\.info$")))
+    (propagated-inputs
+     `(("emacs-async" ,emacs-async)))
+    (home-page "https://elpa.gnu.org/packages/debbugs.html")
+    (synopsis "Access the Debbugs bug tracker in Emacs")
+    (description
+     "This package lets you access the @uref{http://bugs.gnu.org,GNU Bug
+Tracker} from within Emacs.
+
+For instance, it defines the command @code{M-x debbugs-gnu} for listing bugs,
+and the command @code{M-x debbugs-gnu-search} for bug searching.  If you
+prefer the listing of bugs as TODO items of @code{org-mode}, you could use
+@code{M-x debbugs-org} and related commands.
+
+A minor mode @code{debbugs-browse-mode} let you browse URLs to the GNU Bug
+Tracker as well as bug identifiers prepared for @code{bug-reference-mode}.")
+    (license license:gpl3+)))
+
+(define-public emacs-ert-expectations
+  (package
+    (name "emacs-ert-expectations")
+    (version "0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri "https://www.emacswiki.org/emacs/download/ert-expectations.el")
+       (sha256
+        (base32
+         "0cwy3ilsid90abzzjb7ha2blq9kmv3gfp3icwwfcz6qczgirq6g7"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/ert-expectations.el")
+    (synopsis "Simple unit test framework for Emacs Lisp")
+    (description "@code{emacs-ert-expectations} is a simple unit test
+framework for Emacs Lisp to be used with @code{ert}.")
+    (license license:gpl3+)))
+
+(define-public emacs-deferred
+  (package
+    (name "emacs-deferred")
+    (version "0.5.1")
+    (home-page "https://github.com/kiwanami/emacs-deferred")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url home-page)
+                    (commit (string-append "v" version))))
+              (sha256
+               (base32
+                "0xy9zb6wwkgwhcxdnslqk52bq3z24chgk6prqi4ks0qcf2bwyh5h"))
+              (file-name (string-append name "-" version))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'set-shell
+           ;; Setting the SHELL environment variable is required for the tests
+           ;; to find sh.
+           (lambda _
+             (setenv "SHELL" (which "sh"))
+             #t))
+         (add-before 'check 'fix-makefile
+           (lambda _
+             (substitute* "Makefile"
+               (("\\$\\(CASK\\) exec ") ""))
+             #t)))
+       #:tests? #t
+       #:test-command '("make" "test")))
+    (native-inputs
+     `(("emacs-ert-expectations" ,emacs-ert-expectations)
+       ("emacs-undercover" ,emacs-undercover)
+       ("ert-runner" ,emacs-ert-runner)))
+    (synopsis "Simple asynchronous functions for Emacs Lisp")
+    (description
+     "The @code{deferred.el} library provides support for asynchronous tasks.
+The API is almost the same as that of
+@uref{https://github.com/cho45/jsdeferred, JSDeferred}, a JavaScript library
+for asynchronous tasks.")
+    (license license:gpl3+)))
+
+(define-public emacs-butler
+  (package
+    (name "emacs-butler")
+    (version "0.2.4")
+    (home-page "https://github.com/AshtonKem/Butler")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url home-page)
+                    (commit version)))
+              (sha256
+               (base32
+                "1pii9dw4skq7nr4na6qxqasl36av8cwjp71bf1fgppqpcd9z8skj"))
+              (file-name (string-append name "-" version))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-deferred" ,emacs-deferred)))
+    (synopsis "Emacs client for Jenkins")
+    (description
+     "Butler provides an interface to connect to Jenkins continuous
+integration servers.  Users can specify a list of server in the
+@code{butler-server-list} variable and then use @code{M-x butler-status} to
+view the build status of those servers' build jobs, and possibly to trigger
+build jobs.")
+    (license license:gpl3+)))
+
+(define-public emacs-company
+  (package
+    (name "emacs-company")
+    (version "0.9.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/company-mode/company-mode/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "19flv38f2qhxda8lbk2ckywvibd72vbzmn4hchqz6d8acsknh4sb"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'check 'fix-bin-dir
+           (lambda _
+             ;; The company-files-candidates-normal-root test looks
+             ;; for the /bin directory, but the build environment has
+             ;; no /bin directory. Modify the test to look for the
+             ;; /tmp directory.
+             (substitute* "test/files-tests.el"
+               (("/bin/") "/tmp/"))
+             #t)))
+       #:tests? #t
+       #:test-command '("make" "test-batch")))
+    (home-page "http://company-mode.github.io/")
+    (synopsis "Modular text completion framework")
+    (description
+     "Company is a modular completion mechanism.  Modules for retrieving
+completion candidates are called back-ends, modules for displaying them are
+front-ends.  Company comes with many back-ends, e.g. @code{company-elisp}.
+These are distributed in separate files and can be used individually.")
+    (license license:gpl3+)))
+
+(define-public emacs-irony-mode
+  (package
+    (name "emacs-irony-mode")
+    (version "1.2.0")
+    (home-page "https://github.com/Sarcasm/irony-mode")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url (string-append home-page ".git"))
+                    (commit (string-append "v" version))))
+              (sha256
+               (base32
+                "0nhjrnlmss535jbshjjd30vydbr8py21vkx4p294w6d8vg2rssf8"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (inputs `(("server" ,emacs-irony-mode-server)))
+    (arguments `(#:phases
+                 (modify-phases %standard-phases
+                   (add-after 'unpack 'configure
+                        (lambda* (#:key inputs #:allow-other-keys)
+                          (chmod "irony.el" #o644)
+                          (emacs-substitute-variables "irony.el"
+                            ("irony-server-install-prefix"
+                             (assoc-ref inputs "server")))
+                          #t)))))
+    (synopsis "C/C++/ObjC Code completion and syntax checks for Emacs")
+    (description "Irony-mode provides Clang-assisted syntax checking and
+completion for C, C++, and ObjC in GNU Emacs.  Using @code{libclang} it can
+provide syntax checking and autocompletion on compiler level which is very
+resistent against false positives.  It also integrates well with other
+packages like @code{eldoc-mode} and especially @code{company-mode} as
+described on the homepage.")
+    (license license:gpl3+)))
+
+(define-public emacs-irony-mode-server
+  (package (inherit emacs-irony-mode)
+    (name "emacs-irony-mode-server")
+    (inputs
+     `(("clang" ,clang)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (invoke "cmake"
+                       "server"
+                       (string-append "-DCMAKE_INSTALL_PREFIX=" out)) #t))))))
+    (build-system cmake-build-system)
+    (synopsis "Server for the Emacs @dfn{irony mode}")))
+
+(define-public emacs-company-irony
+  (package
+    (name "emacs-company-irony")
+    (version "1.1.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/Sarcasm/company-irony.git")
+                    (commit (string-append "v" version))))
+              (sha256 (base32
+                       "1qgyam2vyjw90kpxns5cd6bq3qiqjhzpwrlvmi18vyb69qcgqd8a"))
+              (file-name (git-file-name name version))))
+    (build-system emacs-build-system)
+    (inputs
+     `(("emacs-irony-mode" ,emacs-irony-mode)
+       ("emacs-company" ,emacs-company)))
+    (synopsis "C++ completion backend for Company using irony-mode")
+    (description "This backend for company-mode allows for C++ code completion
+with irony-mode using clang-tooling.")
+    (home-page "https://github.com/Sarcasm/company-irony")
+    (license license:gpl3+)))
+
+(define-public emacs-flycheck-irony
+  (package
+    (name "emacs-flycheck-irony")
+    (version "0.1.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/Sarcasm/flycheck-irony.git")
+                    (commit (string-append "v" version))))
+              (sha256
+               (base32 "0qa5a8wzvzxwqql92ibc9s43k8sj3vwn7skz9hfr8av0skkhx996"))
+              (file-name (string-append name "-" version))))
+    (build-system emacs-build-system)
+    (inputs
+     `(("irony-mode" ,emacs-irony-mode)
+       ("flycheck-mode" ,emacs-flycheck)
+       ("emacs-company" ,emacs-company)))
+    (synopsis "Live syntax checking frontend for Flycheck using irony-mode")
+    (description "This package provides a frontend for Flycheck that lets
+irony-mode do the syntax checking.")
+    (home-page "https://github.com/Sarcasm/flycheck-irony")
+    (license license:gpl3+)))
+
+(define-public emacs-irony-eldoc
+  (package
+    (name "emacs-irony-eldoc")
+    (version (package-version emacs-irony-mode))
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/ikirill/irony-eldoc.git")
+             (commit "0df5831eaae264a25422b061eb2792aadde8b3f2")))
+       (sha256 (base32 "1l5qpr66v1l12fb50yh73grb2rr85xxmbj19mm33b5rdrq2bqmmd"))
+       (file-name (string-append name "-" version))))
+    (build-system emacs-build-system)
+    (inputs
+     `(("irony-mode" ,emacs-irony-mode)))
+    (synopsis "Eldoc integration for irony-mode")
+    (description "Irony-eldoc is an eldoc extension that shows documentation
+for the current function or variable in the minibuffer.")
+    (home-page "https://github.com/ikirill/irony-eldoc")
+    (license license:gpl3+)))
+
+(define-public emacs-company-quickhelp
+  (package
+    (name "emacs-company-quickhelp")
+    (version "2.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/expez/company-quickhelp/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0xrn2z1dgk5gmkmp2jkn9g83ckk39lqp5pyyv8rl7f6gqvib3qh0"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-pos-tip" ,emacs-pos-tip)
+       ("emacs-company" ,emacs-company)))
+    (home-page "https://github.com/expez/company-quickhelp")
+    (synopsis "Popup documentation for completion candidates")
+    (description "@code{company-quickhelp} shows documentation for the
+completion candidate when using the Company text completion framework.")
+    (license license:gpl3+)))
+
+(define-public emacs-multiple-cursors
+  (package
+    (name "emacs-multiple-cursors")
+    (version "1.4.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/magnars/multiple-cursors.el/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0hihihlvcvzayg5fnqzcg45fhvlmq6xlq58syy00rjwbry9w389k"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/magnars/multiple-cursors.el")
+    (synopsis "Multiple cursors for Emacs")
+    (description
+     "This package adds support to Emacs for editing text with multiple
+simultaneous cursors.")
+    (license license:gpl3+)))
+
+(define-public emacs-typo
+  (package
+    (name "emacs-typo")
+    (version "1.1")
+    (home-page "https://github.com/jorgenschaefer/typoel")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url home-page)
+                    (commit (string-append "v" version))))
+              (sha256
+               (base32
+                "1jhd4grch5iz12gyxwfbsgh4dmz5hj4bg4gnvphccg8dsnni05k2"))
+              (file-name (string-append name "-" version))))
+    (build-system emacs-build-system)
+    (synopsis "Minor mode for typographic editing")
+    (description
+     "This package provides two Emacs modes, @code{typo-mode} and
+@code{typo-global-mode}.  These modes automatically insert Unicode characters
+for quotation marks, dashes, and ellipses.  For example, typing @kbd{\"}
+automatically inserts a Unicode opening or closing quotation mark, depending
+on context.")
+    (license license:gpl3+)))
+
+(define-public emacs-scheme-complete
+  (let ((commit "9b5cf224bf2a5994bc6d5b152ff487517f1a9bb5"))
+    (package
+      (name "emacs-scheme-complete")
+      (version (string-append "20151223." (string-take commit 8)))
+      (source
+       (origin
+         (file-name (string-append name "-" version))
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/ashinn/scheme-complete.git")
+               (commit commit)))
+         (sha256
+          (base32
+           "141wn9l0m33w0g3dqmx8nxbfdny1r5xbr6ak61rsz21bk0qafs7x"))
+         (patches
+          (search-patches "emacs-scheme-complete-scheme-r5rs-info.patch"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/ashinn/scheme-complete")
+      (synopsis "Smart tab completion for Scheme in Emacs")
+      (description
+       "This file provides a single function, @code{scheme-smart-complete},
+which you can use for intelligent, context-sensitive completion for any Scheme
+implementation in Emacs.  To use it just load this file and bind that function
+to a key in your preferred mode.")
+      (license license:public-domain))))
+
+(define-public emacs-scel
+  (let ((version "20170629")
+        (revision "1")
+        (commit "aeea3ad4be9306d14c3a734a4ff54fee10ac135b"))
+    (package
+      (name "emacs-scel")
+      (version (git-version version revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/supercollider/scel.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0jvmzs1lsjyndqshhii2y4mnr3wghai26i3p75453zrpxpg0zvvw"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:modules ((guix build emacs-build-system)
+                    ((guix build cmake-build-system) #:prefix cmake:)
+                    (guix build utils))
+         #:imported-modules (,@%emacs-build-system-modules
+                             (guix build cmake-build-system))
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'configure
+             (lambda* (#:key outputs #:allow-other-keys)
+               (substitute* "el/CMakeLists.txt"
+                 (("share/emacs/site-lisp/SuperCollider")
+                  (string-append
+                   "share/emacs/site-lisp/guix.d/scel-" ,version)))
+               ((assoc-ref cmake:%standard-phases 'configure)
+                #:outputs outputs
+                #:configure-flags '("-DSC_EL_BYTECOMPILE=OFF"))))
+           (add-after 'set-emacs-load-path 'add-el-dir-to-emacs-load-path
+             (lambda _
+               (setenv "EMACSLOADPATH"
+                       (string-append (getcwd) "/el:" (getenv "EMACSLOADPATH")))
+               #t))
+           (replace 'install (assoc-ref cmake:%standard-phases 'install)))))
+      (inputs
+       `(("supercollider" ,supercollider)))
+      (native-inputs
+       `(("cmake" ,cmake)))
+      (home-page "https://github.com/supercollider/scel")
+      (synopsis "SuperCollider Emacs interface")
+      (description "@code{emacs-scel} is an Emacs interface to SuperCollider.
+SuperCollider is a platform for audio synthesis and algorithmic composition.")
+      (license license:gpl2+))))
+
+(define-public emacs-mit-scheme-doc
+  (package
+    (name "emacs-mit-scheme-doc")
+    (version "20140203")
+    (source
+     (origin
+       (modules '((guix build utils)))
+       (snippet
+        ;; keep only file of interest
+        '(begin
+           (for-each delete-file '("dot-emacs.el" "Makefile"))
+           (install-file "6.945-config/mit-scheme-doc.el" ".")
+           (delete-file-recursively "6.945-config")
+           #t))
+       (file-name (string-append name "-" version ".tar.bz2"))
+       (method url-fetch)
+       (uri (string-append "http://groups.csail.mit.edu/mac/users/gjs/"
+                           "6.945/dont-panic/emacs-basic-config.tar.bz2"))
+       (sha256
+        (base32
+         "0dqidg2bd66pawqfarvwca93w5gqf9mikn1k2a2rmd9ymfjpziq1"))))
+    (build-system emacs-build-system)
+    (inputs `(("mit-scheme" ,mit-scheme)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'configure-doc
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let* ((mit-scheme-dir (assoc-ref inputs "mit-scheme"))
+                    (doc-dir (string-append mit-scheme-dir "/share/doc/"
+                                            "mit-scheme-"
+                                            ,(package-version mit-scheme))))
+               (substitute* "mit-scheme-doc.el"
+                 (("http://www\\.gnu\\.org/software/mit-scheme/documentation/mit-scheme-ref/")
+                  (string-append "file:" doc-dir "/mit-scheme-ref/")))))))))
+    (home-page "http://groups.csail.mit.edu/mac/users/gjs/6.945/dont-panic/")
+    (synopsis "MIT-Scheme documentation lookup for Emacs")
+    (description
+     "This package provides a set of Emacs functions to search definitions of
+identifiers in the MIT-Scheme documentation.")
+    (license license:gpl2+)))
+
+(define-public emacs-constants
+  (package
+    (name "emacs-constants")
+    (version "2.6")
+    (home-page "https://staff.fnwi.uva.nl/c.dominik/Tools/constants")
+    (source
+     (origin
+       (file-name (string-append name "-" version ".tar.gz"))
+       (method url-fetch)
+       (uri (string-append "https://github.com/fedeinthemix/emacs-constants"
+                           "/archive/v" version ".tar.gz"))
+       (sha256
+        (base32
+         "0pnrpmmxq8mh5h2hbrp5vcym0j0fh6dv3s7c5ccn18wllhzg9g7n"))))
+    (build-system emacs-build-system)
+    (synopsis "Enter definition of constants into an Emacs buffer")
+    (description
+     "This package provides functions for inserting the definition of natural
+constants and units into an Emacs buffer.")
+    (license license:gpl2+)))
+
+(define-public emacs-tagedit
+  (package
+    (name "emacs-tagedit")
+    (version "1.4.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/magnars/tagedit/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1apfnann4qklfdsmdi7icjsj18x7gwx8d83iqr4z25clszz95xfq"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-s" ,emacs-s)
+       ("emacs-dash" ,emacs-dash)))
+    (home-page "https://github.com/magnars/tagedit")
+    (synopsis "Some paredit-like features for html-mode")
+    (description
+     "This package provides a collection of paredit-like functions for editing
+in @code{html-mode}.")
+    (license license:gpl3+)))
+
+(define-public emacs-slime
+  (package
+    (name "emacs-slime")
+    (version "2.22")
+    (source
+     (origin
+       (file-name (string-append name "-" version ".tar.gz"))
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/slime/slime/archive/v"
+             version ".tar.gz"))
+       (sha256
+        (base32
+         "07vaib1n4zyh5yy30gdpq0bc5cv6w84piml5b3mfc9ibjhaykkms"))))
+    (build-system emacs-build-system)
+    (native-inputs
+     `(("texinfo" ,texinfo)))
+    (arguments
+     `(#:include '("\\.el$" "\\.lisp$" "\\.asd$" "contrib")
+       #:exclude '("^slime-tests.el" "^contrib/test/"
+                   "^contrib/Makefile$" "^contrib/README.md$")
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'configure
+           (lambda* _
+             (emacs-substitute-variables "slime.el"
+               ("inferior-lisp-program" "sbcl"))
+             #t))
+         (add-before 'install 'install-doc
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (info-dir (string-append out "/share/info"))
+                    (doc-dir (string-append out "/share/doc/"
+                                            ,name "-" ,version))
+                    (doc-files '("doc/slime-refcard.pdf"
+                                 "README.md" "NEWS" "PROBLEMS"
+                                 "CONTRIBUTING.md")))
+               (with-directory-excursion "doc"
+                 (substitute* "Makefile"
+                   (("infodir=/usr/local/info")
+                    (string-append "infodir=" info-dir)))
+                 (invoke "make" "html/index.html")
+                 (invoke "make" "slime.info")
+                 (install-file "slime.info" info-dir)
+                 (copy-recursively "html" (string-append doc-dir "/html")))
+               (for-each (lambda (f)
+                           (install-file f doc-dir)
+                           (delete-file f))
+                         doc-files)
+               (delete-file-recursively "doc")
+               #t))))))
+    (home-page "https://github.com/slime/slime")
+    (synopsis "Superior Lisp Interaction Mode for Emacs")
+    (description
+     "SLIME extends Emacs with support for interactive programming in
+Common Lisp.  The features are centered around @command{slime-mode},
+an Emacs minor mode that complements the standard @command{lisp-mode}.
+While lisp-mode supports editing Lisp source files, @command{slime-mode}
+adds support for interacting with a running Common Lisp process
+for compilation, debugging, documentation lookup, and so on.")
+    (license (list license:gpl2+ license:public-domain))))
+
+(define-public emacs-popup
+  (package
+    (name "emacs-popup")
+    (version "0.5.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/auto-complete/popup-el/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1yrgfj8y69xmcb6kwgplhq68ndm9410qwh7sd2knnd1gchpphdc0"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/auto-complete/popup-el")
+    (synopsis "Visual Popup User Interface for Emacs")
+    (description
+     "Popup.el is a visual popup user interface library for Emacs.
+This provides a basic API and common UI widgets such as popup tooltips
+and popup menus.")
+    (license license:gpl3+)))
+
+(define-public emacs-puppet-mode
+  (let ((commit "b3ed5057166a4f49dfa9be638523a348b55a2fd2")
+        (revision "1"))
+    (package
+      (name "emacs-puppet-mode")
+      ;; The last release, 0.3 was several years ago, and there have been many
+      ;; commits since
+      (version (git-version "0.3" revision commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "https://raw.githubusercontent.com/voxpupuli/puppet-mode/"
+               commit "/puppet-mode.el"))
+         (sha256
+          (base32
+           "1indycxawsl0p2aqqg754f6735q3cmah9vd886rpn0ncc3ipi1xm"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/voxpupuli/puppet-mode")
+      (synopsis "Emacs major mode for the Puppet configuration language")
+      (description
+       "This package provides support for the Puppet configuration language,
+including syntax highlighting, indentation of expressions and statements,
+linting of manifests and integration with Puppet Debugger.")
+      ;; Also incorporates work covered by the Apache License, Version 2.0
+      (license license:gpl3+))))
+
+(define-public emacs-god-mode
+  (let ((commit "6cf0807b6555eb6fcf8387a4e3b667071ef38964")
+        (revision "1"))
+    (package
+      (name "emacs-god-mode")
+      (version (string-append "20151005.925."
+                              revision "-" (string-take commit 9)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/chrisdone/god-mode.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1am415k4xxcva6y3vbvyvknzc6bma49pq3p85zmpjsdmsp18qdix"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/chrisdone/god-mode")
+      (synopsis "Minor mode for entering commands without modifier keys")
+      (description
+       "This package provides a global minor mode for entering Emacs commands
+without modifier keys.  It's similar to Vim's separation of commands and
+insertion mode.  When enabled all keys are implicitly prefixed with
+@samp{C-} (among other helpful shortcuts).")
+      (license license:gpl3+))))
+
+(define-public emacs-jinja2-mode
+  (package
+    (name "emacs-jinja2-mode")
+    (version "0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/paradoxxxzero/jinja2-mode/"
+                           "archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0cgxjab1kla2zc2fj7bzib6i7snp08zshandmp9kqcm85l262xpn"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/paradoxxxzero/jinja2-mode")
+    (synopsis "Major mode for jinja2")
+    (description
+     "Emacs major mode for jinja2 with: syntax highlighting,
+sgml/html integration, and indentation (working with sgml).")
+    (license license:gpl3+)))
+
+(define-public emacs-rfcview
+  (package
+    (name "emacs-rfcview")
+    (version "0.13")
+    (home-page "http://www.loveshack.ukfsn.org/emacs")
+    (source (origin
+              (method url-fetch)
+              (uri "http://www.loveshack.ukfsn.org/emacs/rfcview.el")
+              (sha256
+               (base32
+                "0ympj5rxig383zl2jf0pzdsa80nnq0dpvjiriq0ivfi98fj7kxbz"))))
+    (build-system emacs-build-system)
+    (synopsis "Prettify Request for Comments (RFC) documents")
+    (description "The Internet Engineering Task Force (IETF) and the Internet
+Society (ISOC) publish various Internet-related protocols and specifications
+as \"Request for Comments\" (RFC) documents and Internet Standard (STD)
+documents.  RFCs and STDs are published in a simple text form.  This package
+provides an Emacs major mode, rfcview-mode, which makes it more pleasant to
+read these documents in Emacs.  It prettifies the text and adds
+hyperlinks/menus for easier navigation.  It also provides functions for
+browsing the index of RFC documents and fetching them from remote servers or
+local directories.")
+    (license license:gpl3+)))
+
+(define-public emacs-ffap-rfc-space
+  (package
+    (name "emacs-ffap-rfc-space")
+    (version "12")
+    (home-page "http://user42.tuxfamily.org/ffap-rfc-space/index.html")
+    (source (origin
+              (method url-fetch)
+              (uri "http://download.tuxfamily.org/user42/ffap-rfc-space.el")
+              (sha256
+               (base32
+                "1iv61dv57a73mdps7rn6zmgz7nqh14v0ninidyrasy45b1nv6gck"))))
+    (build-system emacs-build-system)
+    (synopsis "Make ffap recognize an RFC with a space before its number")
+    (description "The Internet Engineering Task Force (IETF) and the
+Internet Society (ISOC) publish various Internet-related protocols and
+specifications as \"Request for Comments\" (RFC) documents.  The
+built-in Emacs module \"ffap\" (Find File at Point) has the ability to
+recognize names at point which look like \"RFC1234\" and \"RFC-1234\"
+and load the appropriate RFC from a remote server.  However, it fails
+to recognize a name like \"RFC 1234\".  This package enhances ffap so
+that it correctly finds RFCs even when a space appears before the
+number.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-bullets
+  (package
+    (name "emacs-org-bullets")
+    (version "0.2.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/sabof/org-bullets/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1dyxvpb73vj80v8br2q9rf255hfphrgaw91fbvwdcd735np9pcnh"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/sabof/org-bullets")
+    (synopsis "Show bullets in org-mode as UTF-8 characters")
+    (description
+     "This package provides an Emacs minor mode causing bullets in
+@code{org-mode} to be rendered as UTF-8 characters.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-pomodoro
+  (package
+    (name "emacs-org-pomodoro")
+    (version "2.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/lolownia/org-pomodoro/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1jalsggw3q5kvj353f84x4nl04a5vmq07h75ggppy1627lb31zm4"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-alert" ,emacs-alert)))
+    (home-page "https://github.com/lolownia/org-pomodoro")
+    (synopsis "Pomodoro technique for org-mode")
+    (description "@code{emacs-org-pomodoro} adds very basic support for
+Pomodoro technique in Emacs org-mode.
+
+Run @code{M-x org-pomodoro} for the task at point or select one of the
+last tasks that you clocked time for.  Each clocked-in pomodoro starts
+a timer of 25 minutes and after each pomodoro a break timer of 5
+minutes is started automatically.  Every 4 breaks a long break is
+started with 20 minutes.  All values are customizable.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-trello
+  (package
+    (name "emacs-org-trello")
+    (version "0.8.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/org-trello/org-trello/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0549mnf5cgwn8b8jbl38fljbaxmh1605sv9j8f3lsa95jhs1zpa0"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-deferred" ,emacs-deferred)
+       ("emacs-f" ,emacs-f)
+       ("emacs-helm" ,emacs-helm)
+       ("emacs-request" ,emacs-request)
+       ("emacs-s" ,emacs-s)))
+    (home-page "https://org-trello.github.io")
+    (synopsis "Emacs minor mode for interacting with Trello")
+    (description "This package provides an Emacs minor mode to extend
+@code{org-mode} with Trello abilities.  Trello is an online project
+organizer.")
+    (license license:gpl3+)))
+
+(define-public emacs-atom-one-dark-theme
+  (let ((commit "1f1185bf667a38d3d0d180ce85fd4c131818aae2")
+        (revision "0"))
+    (package
+     (name "emacs-atom-one-dark-theme")
+     (version (git-version "0.4.0" revision commit))
+     (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/jonathanchu/atom-one-dark-theme.git")
+                    (commit commit)))
+              (sha256
+               (base32
+                "1alma16hg3mfjly8a9s3mrswkjjx4lrpdnf43869hn2ibkn7zx9z"))
+              (file-name (git-file-name name version))))
+     (build-system emacs-build-system)
+     (home-page "https://github.com/jonathanchu/atom-one-dark-theme")
+     (synopsis "Atom One Dark color theme for Emacs")
+     (description "An Emacs port of the Atom One Dark theme from Atom.io.")
+     (license license:gpl3+))))
+
+(define-public emacs-zenburn-theme
+  (package
+    (name "emacs-zenburn-theme")
+    (version "2.6")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/bbatsov/zenburn-emacs/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0qc9d1rwq55yzh8shbppyd6izy1grpyr8kqh5zdgm7c5jccngpr4"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/bbatsov/zenburn-emacs")
+    (synopsis "Low contrast color theme for Emacs")
+    (description
+     "Zenburn theme is a port of the popular Vim Zenburn theme for Emacs.
+It is built on top of the custom theme support in Emacs 24 or later.")
+    (license license:gpl3+)))
+
+(define-public emacs-solarized-theme
+  (package
+    (name "emacs-solarized-theme")
+    (version "1.2.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/bbatsov/solarized-emacs/"
+                                  "archive/v"  version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1ha3slc6d9wi9ilkhmwrzkvf308n6ph7b0k69pk369s9304awxzx"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)))
+    (home-page "https://github.com/bbatsov/solarized-emacs")
+    (synopsis "Port of the Solarized theme for Emacs")
+    (description
+     "Solarized for Emacs is a port of the Solarized theme for Vim.  This
+package provides a light and a dark variant.")
+    (license license:gpl3+)))
+
+(define-public emacs-ahungry-theme
+  (package
+    (name "emacs-ahungry-theme")
+    (version "1.10.0")
+    (source
+     (origin (method url-fetch)
+             (uri (string-append "https://elpa.gnu.org/packages/ahungry-theme-"
+                                 version ".tar"))
+             (sha256
+              (base32
+               "14q5yw56n82qph09bk7wmj5b1snhh9w0nk5s1l7yn9ldg71xq6pm"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ahungry/color-theme-ahungry")
+    (synopsis "Ahungry color theme for Emacs")
+    (description "Ahungry theme for Emacs provides bright and bold colors.
+If you load it from a terminal, you will be able to make use of the
+transparent background.  If you load it from a GUI, it will default to a
+dark background.")
+    (license license:gpl3+)))
+
+(define-public emacs-2048-game
+  (package
+    (name "emacs-2048-game")
+    (version "20151026.1233")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://melpa.org/packages/2048-game-"
+                           version ".el"))
+       (sha256
+        (base32
+         "0gy2pvz79whpavp4jmz8h9krzn7brmvv3diixi1d4w51pcdvaldd"))))
+    (build-system emacs-build-system)
+    (home-page "https://bitbucket.org/zck/2048.el")
+    (synopsis "Implementation of the game 2048 in Emacs Lisp")
+    (description
+     "This program is an implementation of 2048 for Emacs.
+The goal of this game is to create a tile with value 2048.  The size of the
+board and goal value can be customized.")
+  (license license:gpl3+)))
+
+(define-public emacs-base16-theme
+  (package
+    (name "emacs-base16-theme")
+    (version "2.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://stable.melpa.org/packages/base16-theme-"
+                           version ".tar"))
+       (sha256
+        (base32
+         "0z6hrwz2jlz6jbr381rcqcqvx6hss5cad352klx07rark7zccacj"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/belak/base16-emacs")
+    (synopsis "Base16 color themes for Emacs")
+    (description
+     "Base16 provides carefully chosen syntax highlighting and a default set
+of sixteen colors suitable for a wide range of applications.  Base16 is not a
+single theme but a set of guidelines with numerous implementations.")
+    (license license:expat)))
+
+(define-public emacs-smartparens
+  (package
+    (name "emacs-smartparens")
+    (version "1.11.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/Fuco1/smartparens/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0q5as813xs8y29i3v2rm97phd6m7xsmmw6hwbvx57gwmi8i1c409"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-markdown-mode" ,emacs-markdown-mode)))
+    (home-page "https://github.com/Fuco1/smartparens")
+    (synopsis "Paredit-like insertion, wrapping and navigation with user
+defined pairs")
+    (description
+     "Smartparens is a minor mode for Emacs that deals with parens pairs
+and tries to be smart about it.  It started as a unification effort to
+combine functionality of several existing packages in a single,
+compatible and extensible way to deal with parentheses, delimiters, tags
+and the like.  Some of these packages include autopair, textmate,
+wrap-region, electric-pair-mode, paredit and others.  With the basic
+features found in other packages it also brings many improvements as
+well as completely new features.")
+    (license license:gpl3+)))
+
+(define-public emacs-highlight-symbol
+  (package
+    (name "emacs-highlight-symbol")
+    (version "1.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/nschum/highlight-symbol.el/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1n7k1qns0fn0jsyc0hrjac5nzk21xw48yc30vyrhwvc51h0b9g90"))))
+    (build-system emacs-build-system)
+    (home-page "https://nschum.de/src/emacs/highlight-symbol")
+    (synopsis "Automatic and manual symbol highlighting for Emacs")
+    (description
+     "Use @code{highlight-symbol} to toggle highlighting of the symbol at
+point throughout the current buffer.  Use @code{highlight-symbol-mode} to keep
+the symbol at point highlighted.
+
+The functions @code{highlight-symbol-next}, @code{highlight-symbol-prev},
+@code{highlight-symbol-next-in-defun} and
+@code{highlight-symbol-prev-in-defun} allow for cycling through the locations
+of any symbol at point.  Use @code{highlight-symbol-nav-mode} to enable key
+bindings @code{M-p} and @code{M-p} for navigation.  When
+@code{highlight-symbol-on-navigation-p} is set, highlighting is triggered
+regardless of @code{highlight-symbol-idle-delay}.
+
+@code{highlight-symbol-query-replace} can be used to replace the symbol. ")
+    (license license:gpl2+)))
+
+(define-public emacs-hl-todo
+  (package
+    (name "emacs-hl-todo")
+    (version "1.9.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://raw.githubusercontent.com/tarsius/hl-todo/"
+                    version "/hl-todo.el"))
+              (file-name (string-append "hl-todo-" version ".el"))
+              (sha256
+               (base32
+                "0728givzh7xv5i88ac9if8byj1p8bilrj1fnizca10s0rv100hdr"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/tarsius/hl-todo")
+    (synopsis "Emacs mode to highlight TODO and similar keywords")
+    (description
+     "This package provides an Emacs mode to highlight TODO and similar
+keywords in comments and strings.  This package also provides commands for
+moving to the next or previous keyword and to invoke @code{occur} with a
+regexp that matches all known keywords.")
+    (license license:gpl3+)))
+
+(define-public emacs-perspective
+  (package
+    (name "emacs-perspective")
+    (version "1.12")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/nex3/perspective-el/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "078ahh0kmhdylq5ib9c81c76kz1n02xwc83pm729d00i84ibviic"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/nex3/perspective-el")
+    (synopsis "Switch between named \"perspectives\"")
+    (description
+     "This package provides tagged workspaces in Emacs, similar to workspaces in
+windows managers such as Awesome and XMonad.  @code{perspective.el} provides
+multiple workspaces (or \"perspectives\") for each Emacs frame.  Each
+perspective is composed of a window configuration and a set of buffers.
+Switching to a perspective activates its window configuration, and when in a
+perspective only its buffers are available by default.")
+    ;; This package is released under the same license as Emacs (GPLv3+) or
+    ;; the Expat license.
+    (license license:gpl3+)))
+
+(define-public emacs-test-simple
+  (package
+    (name "emacs-test-simple")
+    (version "1.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/test-simple-"
+                           version ".el"))
+       (sha256
+        (base32
+         "1yd61jc9ds95a5n09052kwc5gasy57g4lxr0jsff040brlyi9czz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/rocky/emacs-test-simple")
+    (synopsis "Simple unit test framework for Emacs Lisp")
+    (description
+     "Test Simple is a simple unit test framework for Emacs Lisp.  It
+alleviates the need for context macros, enclosing specifications or required
+test tags.  It supports both interactive and non-interactive use.")
+    (license license:gpl3+)))
+
+(define-public emacs-load-relative
+  (package
+    (name "emacs-load-relative")
+    (version "1.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/load-relative-"
+                           version ".el"))
+       (sha256
+        (base32
+         "1hfxb2436jdsi9wfmsv47lkkpa5galjf5q81bqabbsv79rv59dps"))))
+    (build-system emacs-build-system)
+    (home-page "http://github.com/rocky/emacs-load-relative")
+    (synopsis "Emacs Lisp relative file loading related functions")
+    (description
+     "Provides functions which facilitate writing multi-file Emacs packages
+and running from the source tree without having to \"install\" code or fiddle
+with @{load-path}.
+
+The main function, @code{load-relative}, loads an Emacs Lisp file relative to
+another (presumably currently running) Emacs Lisp file.")
+    (license license:gpl3+)))
+
+(define-public emacs-loc-changes
+  (package
+    (name "emacs-loc-changes")
+    (version "1.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/loc-changes-"
+                           version ".el"))
+       (sha256
+        (base32
+         "1x8fn8vqasayf1rb8a6nma9n6nbvkx60krmiahyb05vl5rrsw6r3"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/rocky/emacs-loc-changes")
+    (synopsis "Keeps track of positions even after buffer changes")
+    (description
+     "This Emacs package provides a mean to track important buffer positions
+after buffer changes.")
+    (license license:gpl3+)))
+
+(define-public emacs-realgud
+  (package
+    (name "emacs-realgud")
+    (version "1.4.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/realgud-"
+                           version ".tar"))
+       (sha256
+        (base32
+         "108wgxg7fb4byaiasgvbxv2hq7b00biq9f0mh9hy6vw4160y5w24"))
+       (patches
+        ;; Patch awaiting inclusion upstream (see:
+        ;; https://github.com/realgud/realgud/pull/226).
+        (search-patches "emacs-realgud-fix-configure-ac.patch"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'set-emacs-load-path 'fix-autogen-script
+           (lambda _
+             (substitute* "autogen.sh"
+               (("./configure") "sh configure"))))
+         (add-after 'fix-autogen-script 'autogen
+           (lambda _
+             (setenv "CONFIG_SHELL" "sh")
+             (invoke "sh" "autogen.sh")))
+         (add-after 'fix-autogen-script 'set-home
+           (lambda _
+             (setenv "HOME" (getenv "TMPDIR"))))
+         (add-before 'patch-el-files 'remove-realgud-pkg.el
+           (lambda _
+             ;; XXX: This file is auto-generated at some point and causes
+             ;; substitute* to crash during the `patch-el-files' phase with:
+             ;; ERROR: In procedure stat: No such file or directory:
+             ;; "./realgud-pkg.el"
+             (delete-file "./realgud-pkg.el")
+             ;; FIXME: `patch-el-files' crashes on this file with error:
+             ;; unable to locate "bashdb".
+             (delete-file "./test/test-regexp-bashdb.el"))))
+       #:include (cons* ".*\\.el$" %default-include)))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("emacs-test-simple" ,emacs-test-simple)))
+    (propagated-inputs
+     `(("emacs-load-relative" ,emacs-load-relative)
+       ("emacs-loc-changes" ,emacs-loc-changes)))
+    (home-page "https://github.com/realgud/realgud/")
+    (synopsis
+     "Modular front-end for interacting with external debuggers")
+    (description
+     "RealGUD is a modular, extensible GNU Emacs front-end for interacting
+with external debuggers.  It integrates various debuggers such as gdb, pdb,
+ipdb, jdb, lldb, bashdb, zshdb, etc. and allows to visually step code in the
+sources.  Unlike GUD, it also supports running multiple debug sessions in
+parallel.")
+    (license license:gpl3+)))
+
+(define-public emacs-request
+  (package
+    (name "emacs-request")
+    (version "0.3.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/tkf/emacs-request.git")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "0wyxqbb35yqf6ci47531lk32d6fppamx9d8826kdz983vm87him7"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-deferred" ,emacs-deferred)))
+    (home-page "https://github.com/tkf/emacs-request")
+    (synopsis "Package for speaking HTTP in Emacs Lisp")
+    (description "This package provides a HTTP request library with multiple
+backends.  It supports url.el which is shipped with Emacs and the curl command
+line program.")
+    (license license:gpl3+)))
+
+(define-public emacs-rudel
+  (package
+    (name "emacs-rudel")
+    (version "0.3.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://elpa.gnu.org/packages/rudel-"
+                           version ".tar"))
+       (sha256
+        (base32
+         "0glqa68g509p0s2vcc0i8kzlddnc9brd9jqhnm5rzxz4i050cvnz"))))
+    (build-system emacs-build-system)
+    (home-page "http://rudel.sourceforge.net/")
+    (synopsis "Collaborative editing framework")
+    (description
+     "Rudel is a collaborative editing environment for GNU Emacs.  Its purpose
+is to share buffers with other users in order to edit the contents of those
+buffers collaboratively.  Rudel supports multiple backends to enable
+communication with other collaborative editors using different protocols,
+though currently Obby (for use with the Gobby editor) is the only
+fully-functional one.")
+    (license license:gpl3+)))
+
+(define-public emacs-hydra
+  (package
+    (name "emacs-hydra")
+    (version "0.14.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/abo-abo/hydra")
+              (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0ln4z2796ycy33g5jcxkqvm7638qxy4sipsab7d2864hh700cikg"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/abo-abo/hydra")
+    (synopsis "Make Emacs bindings that stick around")
+    (description
+     "This package can be used to tie related commands into a family of short
+bindings with a common prefix---a Hydra.  Once you summon the Hydra (through
+the prefixed binding), all the heads can be called in succession with only a
+short extension.  Any binding that isn't the Hydra's head vanquishes the
+Hydra.  Note that the final binding, besides vanquishing the Hydra, will still
+serve its original purpose, calling the command assigned to it.  This makes
+the Hydra very seamless; it's like a minor mode that disables itself
+automatically.")
+    (license license:gpl3+)))
+
+(define-public emacs-ivy
+  (package
+    (name "emacs-ivy")
+    (version "0.10.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/abo-abo/swiper.git")
+             (commit version)))
+       (file-name (string-append name "-" version "-checkout"))
+       (sha256
+        (base32
+         "14vnigqb5c3yi4q9ysw1fiwdqyqwyklqpb9wnjf81chm7s2mshnr"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'install-doc
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (info (string-append out "/share/info")))
+               (with-directory-excursion "doc"
+                 (invoke "makeinfo" "ivy.texi")
+                 (install-file "ivy.info" info)
+                 #t)))))))
+    (propagated-inputs
+     `(("emacs-hydra" ,emacs-hydra)))
+    (native-inputs
+     `(("texinfo" ,texinfo)))
+    (home-page "http://oremacs.com/swiper/")
+    (synopsis "Incremental vertical completion for Emacs")
+    (description
+     "This package provides @code{ivy-read} as an alternative to
+@code{completing-read} and similar functions.  No attempt is made to determine
+the best candidate.  Instead, the user can navigate candidates with
+@code{ivy-next-line} and @code{ivy-previous-line}.  The matching is done by
+splitting the input text by spaces and re-building it into a regular
+expression.")
+    (license license:gpl3+)))
+
+(define-public emacs-ivy-yasnippet
+  (let ((commit "32580b4fd23ebf9ca7dde96704f7d53df6e253cd")
+        (revision "2"))
+    (package
+      (name "emacs-ivy-yasnippet")
+      (version (git-version "0.1" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/mkcms/ivy-yasnippet.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "1wfg6mmd5gl1qgvayyzpxlkh9s7jgn20y8l1vh1zbj1czvv51xp8"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-ivy" ,emacs-ivy)
+         ("emacs-yasnippet" ,emacs-yasnippet)
+         ("emacs-dash" ,emacs-dash)))
+      (home-page "https://github.com/mkcms/ivy-yasnippet")
+      (synopsis "Preview @code{yasnippets} with @code{ivy}")
+      (description "This package allows you to select @code{yasnippet}
+snippets using @code{ivy} completion.  When current selection changes in the
+minibuffer, the snippet contents are temporarily expanded in the buffer.  To
+use it, call @code{M-x ivy-yasnippet} (but make sure you have enabled
+@code{yas-minor-mode} first).")
+      (license license:gpl3+))))
+
+(define-public emacs-ivy-rich
+  (package
+    (name "emacs-ivy-rich")
+    (version "0.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Yevgnen/ivy-rich/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "14r3mx5rkd4wz0ls5pv5w6c7la3z9iy93d3jfind3xyg4kywy95c"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-ivy" ,emacs-ivy)))
+    (home-page "https://github.com/Yevgnen/ivy-rich")
+    (synopsis "More friendly interface for @code{ivy}")
+    (description
+     "This package extends @code{ivy} by showing more information in the
+minibuffer for each candidate.  It adds columns showing buffer modes, file
+sizes, docstrings, etc.  If @code{emacs-all-the-icons} is installed, it can
+show icons as well.")
+    (license license:gpl3+)))
+
+(define-public emacs-avy
+  (package
+    (name "emacs-avy")
+    (version "0.4.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/abo-abo/avy/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1wdrq512h25ymzjbf2kbsdymvd2ryfwzb6bh5bc3yv7q203im796"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/abo-abo/avy")
+    (synopsis "Tree-based completion for Emacs")
+    (description
+     "This package provides a generic completion method based on building a
+balanced decision tree with each candidate being a leaf.  To traverse the tree
+from the root to a desired leaf, typically a sequence of @code{read-key} can
+be used.
+
+In order for @code{read-key} to make sense, the tree needs to be visualized
+appropriately, with a character at each branch node.  So this completion
+method works only for things that you can see on your screen, all at once,
+such as the positions of characters, words, line beginnings, links, or
+windows.")
+    (license license:gpl3+)))
+
+(define-public emacs-ace-window
+  (package
+    (name "emacs-ace-window")
+    (version "0.9.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/abo-abo/ace-window/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1p2sgfl5dml4zbd6ldql6lm2m9vmd236ah996ni32x254s48j5pn"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-avy" ,emacs-avy)))
+    (home-page "https://github.com/abo-abo/ace-window")
+    (synopsis "Quickly switch windows in Emacs")
+    (description
+     "@code{ace-window} is meant to replace @code{other-window}.
+In fact, when there are only two windows present, @code{other-window} is
+called.  If there are more, each window will have its first character
+highlighted.  Pressing that character will switch to that window.")
+    (license license:gpl3+)))
+
+(define-public emacs-iedit
+  (package
+    (name "emacs-iedit")
+    (version "0.9.9.9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/victorhge/iedit/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1hv8q6pr85ss9g3158l1fqv3m62vsq8rslsi86jicr2dcxyascr0"))))
+    (build-system emacs-build-system)
+    (home-page "http://www.emacswiki.org/emacs/Iedit")
+    (synopsis "Edit multiple regions in the same way simultaneously")
+    (description
+     "This package is an Emacs minor mode and allows you to edit one
+occurrence of some text in a buffer (possibly narrowed) or region, and
+simultaneously have other occurrences edited in the same way.
+
+You can also use Iedit mode as a quick way to temporarily show only the buffer
+lines that match the current text being edited.  This gives you the effect of
+a temporary @code{keep-lines} or @code{occur}.")
+    (license license:gpl3+)))
+
+(define-public emacs-zoutline
+  (let ((commit "b3ee0f0e0b916838c2d2c249beba74ffdb8d5699")
+        (revision "0"))
+    (package
+      (name "emacs-zoutline")
+      (version (git-version "0.1" revision commit))
+      (home-page "https://github.com/abo-abo/zoutline")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "0sd0017piw0dis6dhpq5dkqd3acisxqgipl7dj8gmc1vnswhdwr8"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (synopsis "Simple outline library")
+      (description
+       "This library provides helpers for outlines.  Outlines allow users to
+navigate code in a tree-like fashion.")
+      (license license:gpl3+))))
+
+(define-public emacs-lispy
+  ;; Release 0.26.0 was almost 3 years ago, and there have been ~772 commits
+  ;; since.
+  (let ((commit "c2a358a7a15fcf056a5b7461a8e690b481b03b80")
+        (revision "0"))
+    (package
+      (name "emacs-lispy")
+      (version (git-version "0.26.0" revision commit))
+      (home-page "https://github.com/abo-abo/lispy")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "1g6756qqx2n4cx8jac6mlwayilsiyc5rz8nrqjnywvzc75xdinjd"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-ace-window" ,emacs-ace-window)
+         ("emacs-iedit" ,emacs-iedit)
+         ("emacs-ivy" ,emacs-ivy)
+         ("emacs-hydra" ,emacs-hydra)
+         ("emacs-zoutline" ,emacs-zoutline)))
+      (synopsis "Modal S-expression editing")
+      (description
+       "Due to the structure of Lisp syntax it's very rare for the programmer
+to want to insert characters right before \"(\" or right after \")\".  Thus
+unprefixed printable characters can be used to call commands when the point is
+at one of these special locations.  Lispy provides unprefixed keybindings for
+S-expression editing when point is at the beginning or end of an
+S-expression.")
+      (license license:gpl3+))))
+
+(define-public emacs-lispyville
+  ;; Later versions need a more recent Evil, with an evil-define-key*
+  ;; supporting nil for the state.
+  (let ((commit "b4291857ed6a49a67c4ea77522889ce51fb171ab")
+        (revision "0"))
+    (package
+      (name "emacs-lispyville")
+      (version (git-version "0.1" revision commit))
+      (home-page "https://github.com/noctuid/lispyville")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "095zibzc3naknahdrnb59g9rbljy8wz9rkc7rf8avb3wxlwvxhm3"))
+                (file-name (git-file-name name version))))
+      (propagated-inputs
+       `(("emacs-evil" ,emacs-evil)
+         ("emacs-lispy" ,emacs-lispy)))
+      (build-system emacs-build-system)
+      (synopsis "Minor mode for integrating Evil with lispy")
+      (description
+       "LispyVille's main purpose is to provide a Lisp editing environment
+suited towards Evil users.  It can serve as a minimal layer on top of lispy
+for better integration with Evil, but it does not require the use of lispy’s
+keybinding style.  The provided commands allow for editing Lisp in normal
+state and will work even without lispy being enabled.")
+      (license license:gpl3+))))
+
+(define-public emacs-clojure-mode
+  (package
+    (name "emacs-clojure-mode")
+    (version "5.6.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/clojure-emacs/clojure-mode/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1f4k1hncy5ygh4izn7mqfp744nnisrp9ywn2njknbjxx34ai1q88"))))
+    (build-system emacs-build-system)
+    (native-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-s" ,emacs-s)
+       ("ert-runner" ,emacs-ert-runner)))
+    (arguments
+     `(#:tests? #t
+       #:test-command '("ert-runner")))
+    (home-page "https://github.com/clojure-emacs/clojure-mode")
+    (synopsis "Major mode for Clojure code")
+    (description
+     "This Emacs package provides font-lock, indentation, navigation and basic
+refactoring for the @uref{http://clojure.org, Clojure programming language}.
+It is recommended to use @code{clojure-mode} with paredit or smartparens.")
+    (license license:gpl3+)))
+
+(define-public emacs-epl
+  (package
+    (name "emacs-epl")
+    (version "0.8")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/cask/epl/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1511n3a3f5gvaf2b4nh018by61ciyzi3y3603fzqma7p9hrckarc"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/cask/epl")
+    (synopsis "Emacs Package Library")
+    (description
+     "A package management library for Emacs, based on @code{package.el}.
+
+The purpose of this library is to wrap all the quirks and hassle of
+@code{package.el} into a sane API.")
+    (license license:gpl3+)))
+
+(define-public emacs-queue
+  (package
+    (name "emacs-queue")
+    (version "0.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/queue-"
+                                  version ".el"))
+              (sha256
+               (base32
+                "0cx2848sqnnkkr4zisvqadzxngjyhmb36mh0q3if7q19yjjhmrkb"))))
+    (build-system emacs-build-system)
+    (home-page "http://www.dr-qubit.org/tags/computing-code-emacs.html")
+    (synopsis "Queue data structure for Emacs")
+    (description
+     "This Emacs library provides queue data structure.  These queues can be
+used both as a first-in last-out (FILO) and as a first-in first-out (FIFO)
+stack, i.e. elements can be added to the front or back of the queue, and can
+be removed from the front.  This type of data structure is sometimes called an
+\"output-restricted deque\".")
+    (license license:gpl3+)))
+
+(define-public emacs-pkg-info
+  (package
+    (name "emacs-pkg-info")
+    (version "0.6")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/lunaryorn/pkg-info.el/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1gy1jks5mmm02gg1c8gcyr4f8a9s5ggzhk56gv33b9mzjqzi5rd5"))))
+    (build-system emacs-build-system)
+    (propagated-inputs `(("emacs-epl" ,emacs-epl)))
+    (home-page "https://github.com/lunaryorn/pkg-info.el")
+    (synopsis "Information about Emacs packages")
+    (description
+     "This library extracts information from the installed Emacs packages.")
+    (license license:gpl3+)))
+
+(define-public emacs-spinner
+  (package
+    (name "emacs-spinner")
+    (version "1.7.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/spinner-"
+                                  version ".el"))
+              (sha256
+               (base32
+                "19kp1mmndbmw11sgvv2ggfjl4pyf5zrsbh3871f0965pw9z8vahd"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Malabarba/spinner.el")
+    (synopsis "Emacs mode-line spinner for operations in progress")
+    (description
+     "This Emacs package adds spinners and progress-bars to the mode-line for
+ongoing operations.")
+    (license license:gpl3+)))
+
+(define-public emacs-sparql-mode
+  (package
+    (name "emacs-sparql-mode")
+    (version "2.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/ljos/sparql-mode/archive/"
+                                  "v" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1s93mkllxnhy7fw616cnnc2danacdlarys0g3cn89drh0llh53cv"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ljos/sparql-mode")
+    (synopsis "SPARQL mode for Emacs")
+    (description "This package provides a major mode for Emacs that provides
+syntax highlighting for SPARQL.  It also provides a way to execute queries
+against a SPARQL HTTP endpoint, such as is provided by Fuseki.  It is also
+possible to query other endpoints like DBPedia.")
+    (license license:gpl3+)))
+
+(define-public emacs-better-defaults
+  (package
+    (name "emacs-better-defaults")
+    (version "0.1.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/technomancy/better-defaults"
+                           "/archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "08fg4zslzlxbvyil5g4gwvwd22fh4zsgqprs5wh9hv1rgc6757m2"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/technomancy/better-defaults")
+    (synopsis "Better defaults for Emacs")
+    (description
+     "Better defaults attempts to address the most obvious deficiencies of the
+Emacs default configuration in uncontroversial ways that nearly everyone can
+agree upon.")
+    (license license:gpl3+)))
+
+(define-public emacs-eprime
+  (let ((commit "17a481af26496be91c07139a9bfc05cfe722506f"))
+    (package
+      (name "emacs-eprime")
+      (version (string-append "20140513-" (string-take commit 7)))
+      (source (origin
+                (method url-fetch)
+                (uri (string-append "https://raw.githubusercontent.com"
+                                    "/AndrewHynes/eprime-mode/"
+                                    commit "/eprime-mode.el"))
+                (file-name (string-append "eprime-" version ".el"))
+                (sha256
+                 (base32
+                  "0v68lggkyq7kbcr9zyi573m2g2x251xy3jadlaw8kx02l8krwq8d"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/AndrewHynes/eprime-mode")
+      (synopsis "E-prime checking mode for Emacs")
+      (description "This package provides an E-prime checking mode for Emacs
+that highlights non-conforming text.  The subset of the English language called
+E-Prime forbids the use of the \"to be\" form to strengthen your writing.")
+      (license license:gpl3+))))
+
+(define-public emacs-julia-mode
+  ;; XXX: Upstream version remained stuck at 0.3.  See
+  ;; <https://github.com/JuliaEditorSupport/julia-emacs/issues/46>.
+  (let ((commit "115d4dc8a07445301772da8376b232fa8c7168f4")
+        (revision "1"))
+    (package
+      (name "emacs-julia-mode")
+      (version (string-append "0.3-" revision "." (string-take commit 8)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/JuliaEditorSupport/julia-emacs.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1is4dcv6blslpzbjcg8l2jpxi8xj96q4cm0nxjxsyswpm8bw8ki0"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:tests? #t
+         #:test-command '("emacs" "--batch"
+                          "-l" "julia-mode-tests.el"
+                          "-f" "ert-run-tests-batch-and-exit")))
+      (home-page "https://github.com/JuliaEditorSupport/julia-emacs")
+      (synopsis "Major mode for Julia")
+      (description "This Emacs package provides a mode for the Julia
+programming language.")
+      (license license:expat))))
+
+(define-public emacs-smex
+  (package
+    (name "emacs-smex")
+    (version "3.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com"
+                                  "/nonsequitur/smex/" version "/smex.el"))
+              (file-name (string-append "smex-" version ".el"))
+              (sha256
+               (base32
+                "0ar310zx9k5y4i1vl2rawvi712xj9gx77160860jbs691p77cxqp"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/nonsequitur/smex/")
+    (synopsis "M-x interface with Ido-style fuzzy matching")
+    (description
+     "Smex is a M-x enhancement for Emacs.  Built on top of Ido, it provides a
+convenient interface to your recently and most frequently used commands.  And
+to all the other commands, too.")
+    (license license:gpl3+)))
+
+(define-public emacs-js2-mode
+  (package
+    (name "emacs-js2-mode")
+    (version "20180301")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/mooz/js2-mode/archive/"
+                                  version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "13aghgwaqrmbf3pbifcry52kya454wnh1gbdh5805n1n6xgjm5w3"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/mooz/js2-mode/")
+    (synopsis "Improved JavaScript editing mode for Emacs")
+    (description
+     "Js2-mode provides a JavaScript major mode for Emacs that is more
+advanced than the built-in javascript-mode.  Features include accurate syntax
+highlighting using a recursive-descent parser, on-the-fly reporting of syntax
+errors and strict-mode warnings, smart line-wrapping within comments and
+strings, and code folding.")
+    (license license:gpl3+)))
+
+(define-public emacs-nodejs-repl
+  (package
+    (name "emacs-nodejs-repl")
+    (version "0.2.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/abicky/nodejs-repl.el"
+                                  "/archive/" version ".tar.gz"))
+              (sha256
+               (base32
+                "0hq2cqdq2668yf48g7qnkci90nhih1gnhacsgz355jnib56lhmkz"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/abicky/nodejs-repl.el")
+    (synopsis "Node.js REPL inside Emacs")
+    (description
+     "This program is derived from comint-mode and provides the following
+features:
+
+@itemize
+@item TAB completion same as Node.js REPL
+@item file name completion in string
+@item incremental history search
+@end itemize")
+    (license license:gpl3+)))
+
+(define-public emacs-typescript-mode
+  (package
+    (name "emacs-typescript-mode")
+    (version "0.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/ananthakumaran/typescript.el"
+                    "/archive/v" version ".tar.gz"))
+              (sha256
+               (base32
+                "1gqjirm8scf0wysm7x97zdfbs4qa5nqdl64jfbkd18iskv5mg3rj"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ananthakumaran/typescript.el")
+    (synopsis "Emacs major mode for editing Typescript code")
+    (description
+     "This is based on Karl Landstrom's barebones @code{typescript-mode}.
+This is much more robust and works with @code{cc-mode}'s comment
+filling (mostly).  The modifications to the original @code{javascript.el} mode
+mainly consisted in replacing \"javascript\" with \"typescript\"
+
+The main features of this Typescript mode are syntactic highlighting (enabled
+with @code{font-lock-mode} or @code{global-font-lock-mode}), automatic
+indentation and filling of comments and C preprocessor fontification.")
+    (license license:gpl3+)))
+
+(define-public emacs-tide
+  (package
+    (name "emacs-tide")
+    (version "2.8.3.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/ananthakumaran/tide"
+                                  "/archive/v" version ".tar.gz"))
+              (sha256
+               (base32
+                "1k0kzqiv1hfs0kqm37947snzhrsmand3i9chvm6a2r5lb8v9q47y"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-s" ,emacs-s)
+       ("emacs-flycheck" ,emacs-flycheck)
+       ("emacs-typescript-mode" ,emacs-typescript-mode)))
+    (home-page "https://github.com/ananthakumaran/tide")
+    (synopsis "Typescript IDE for Emacs")
+    (description
+     "Tide is an Interactive Development Environment (IDE) for Emacs which
+provides the following features:
+
+@itemize
+@item ElDoc
+@item Auto complete
+@item Flycheck
+@item Jump to definition, Jump to type definition
+@item Find occurrences
+@item Rename symbol
+@item Imenu
+@item Compile On Save
+@item Highlight Identifiers
+@item Code Fixes
+@item Code Refactor
+@item Organize Imports
+@end itemize")
+    (license license:gpl3+)))
+
+(define-public emacs-markdown-mode
+  (package
+    (name "emacs-markdown-mode")
+    (version "2.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com/jrblevin"
+                                  "/markdown-mode/v" version
+                                  "/markdown-mode.el"))
+              (file-name (string-append "markdown-mode-" version ".el"))
+              (sha256
+               (base32
+                "152whyrq3dqlqy5wv4mdd94kmal19hs5kwaxjcp2gp2r97lsmdmi"))))
+    (build-system emacs-build-system)
+    (home-page "http://jblevins.org/projects/markdown-mode/")
+    (synopsis "Emacs Major mode for Markdown files")
+    (description
+     "Markdown-mode is a major mode for editing Markdown-formatted text files
+in Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-edit-indirect
+  (package
+    (name "emacs-edit-indirect")
+    (version "0.1.5")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/Fanael/edit-indirect")
+              (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0by1x53pji39fjrj5bd446kz831nv0vdgw2jqasbym4pc1p2947r"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Fanael/edit-indirect")
+    (synopsis "Edit regions in separate buffers")
+    (description "This package allows you to edit regions in separate buffers,
+like @code{org-edit-src-code} but for arbitrary regions.")
+    (license license:gpl3+)))
+
+(define-public emacs-projectile
+  (package
+    (name "emacs-projectile")
+    (version "0.14.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com/bbatsov"
+                                  "/projectile/v" version "/projectile.el"))
+              (file-name (string-append "projectile-" version ".el"))
+              (sha256
+               (base32
+                "1ql1wnzhblbwnv66hf2y0wq45g71hh6s9inc090lmhm1vgylbd1f"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-pkg-info" ,emacs-pkg-info)))
+    (home-page "https://github.com/bbatsov/projectile")
+    (synopsis "Manage and navigate projects in Emacs easily")
+    (description
+     "This library provides easy project management and navigation.  The
+concept of a project is pretty basic - just a folder containing special file.
+Currently git, mercurial and bazaar repos are considered projects by default.
+If you want to mark a folder manually as a project just create an empty
+.projectile file in it.")
+    (license license:gpl3+)))
+
+(define-public emacs-elfeed
+  (package
+    (name "emacs-elfeed")
+    (version "3.0.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/skeeto/elfeed/archive/"
+                                  version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1wkdrxr6zzqb48czqqv34l87bx8aqjk1739ddqg933aqh241kfvn"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("make" "test")))
+    (home-page "https://github.com/skeeto/elfeed")
+    (synopsis "Atom/RSS feed reader for Emacs")
+    (description
+     "Elfeed is an extensible web feed reader for Emacs, supporting both Atom
+and RSS, with a user interface inspired by notmuch.")
+    (license license:gpl3+)))
+
+(define-public emacs-el-x
+  (package
+    (name "emacs-el-x")
+    (version "0.3.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/sigma/el-x.git")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1i6j44ssxm1xdg0mf91nh1lnprwsaxsx8vsrf720nan7mfr283h5"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         ;; Move the source files to the top level, which is included in
+         ;; the EMACSLOADPATH.
+         (add-after 'unpack 'move-source-files
+           (lambda _
+             (let ((el-files (find-files "./lisp" ".*\\.el$")))
+               (for-each (lambda (f)
+                           (rename-file f (basename f)))
+                         el-files))
+             #t)))))
+    (home-page "https://github.com/sigma/el-x")
+    (synopsis "Emacs Lisp extensions")
+    (description "command@{emacs-el-x} defines the @code{dflet} macro to
+provide the historic behavior of @code{flet}, as well as
+@code{declare-function} stub for older Emacs.")
+    (license license:gpl2+)))
+
+(define-public emacs-mocker
+  (package
+    (name "emacs-mocker")
+    (version "0.3.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/sigma/mocker.el.git")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1lav7am41v63xgavq8pr88y828jmd1cxd4prjq7jlbxm6nvrwxh2"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("ert-runner")))
+    (native-inputs
+     `(("ert-runner" ,emacs-ert-runner)))
+    (propagated-inputs
+     `(("emacs-el-x" ,emacs-el-x)))
+    (home-page "https://github.com/sigma/mocker.el")
+    (synopsis "Mocking framework for Emacs Lisp")
+    (description "Mocker.el is a framework for writing tests in Emacs Lisp.
+It uses regular Lisp rather than a domain specific language (DSL), which
+maximizes flexibility (at the expense of conciseness).")
+    (license license:gpl2+)))
+
+(define-public emacs-find-file-in-project
+  (package
+    (name "emacs-find-file-in-project")
+    (version "5.4.7")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/technomancy/find-file-in-project.git")
+                    (commit version)))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1sdnyqv69mipbgs9yax88m9b6crsa59rjhwrih197pifl4089awr"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'check 'set-shell
+           ;; Otherwise Emacs shell-file-name is set to "/bin/sh", which doesn't
+           ;; work.
+           (lambda _
+             (setenv "SHELL" (which "sh"))
+             #t)))
+       #:tests? #t
+       #:test-command '("./tests/test.sh")))
+    (home-page "https://github.com/technomancy/find-file-in-project")
+    (synopsis "File/directory finder for Emacs")
+    (description "@code{find-file-in-project} allows to find files or
+directories quickly in the current project.  The project root is detected
+automatically when Git, Subversion or Mercurial are used.  It also provides
+functions to assist in reviewing changes on files.")
+    (license license:gpl3+)))
+
+(define-public emacs-pyvenv
+  (package
+    (name "emacs-pyvenv")
+    (version "1.11")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/jorgenschaefer/pyvenv.git")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1a346qdimr1dvj53q033aqnahwd2dhyn9jadrs019nm0bzgw7g63"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         ;; This phase incorrectly attempts to substitute "activate" and fails
+         ;; doing so.
+         (delete 'patch-el-files))
+       #:tests? #t
+       #:test-command '("ert-runner")))
+    (native-inputs
+     `(("ert-runner" ,emacs-ert-runner)
+       ("emacs-mocker" ,emacs-mocker)))
+    (home-page "https://github.com/jorgenschaefer/pyvenv")
+    (synopsis "Virtualenv minor mode for Emacs")
+    (description "pyvenv.el is a minor mode to support using Python virtual
+environments (virtualenv) inside Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-highlight-indentation
+  (package
+    (name "emacs-highlight-indentation")
+    (version "0.7.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/antonj/Highlight-Indentation-for-Emacs.git")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "00l54k75qk24a0znzl4ij3s3nrnr2wy9ha3za8apphzlm98m907k"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/antonj/Highlight-Indentation-for-Emacs/")
+    (synopsis "Highlighting indentation for Emacs")
+    (description "Provides two minor modes to highlight indentation guides in Emacs:
+@enumerate
+@item @code{highlight-indentation-mode}, which displays guidelines
+indentation (space indentation only).
+@item @code{highlight-indentation-current-column-mode}, which displays guidelines for the current-point indentation (space indentation only).
+@end enumerate")
+    (license license:gpl2+)))
+
+(define-public emacs-elpy
+  (package
+    (name "emacs-elpy")
+    (version "1.27.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/jorgenschaefer/elpy.git")
+                    (commit version)))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1b76y0kzk7s9ya8k9bpsgn31i9l0rxs4iz6lg7snhjgh03k0ssgv"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:include (cons* "^elpy/[^/]+\\.py$" "^snippets\\/" %default-include)
+       #:phases
+       ;; TODO: Make `elpy-config' display Guix commands :)
+       (modify-phases %standard-phases
+         ;; One elpy test depends on being run inside a Python virtual
+         ;; environment to pass. We have nothing to gain from doing so here,
+         ;; so we just trick Elpy into thinking we are (see:
+         ;; https://github.com/jorgenschaefer/elpy/pull/1293).
+         (add-before 'check 'fake-virtualenv
+           (lambda _
+             (setenv "VIRTUAL_ENV" "/tmp")
+             #t))
+         (add-before 'check 'build-doc
+           (lambda _
+             (with-directory-excursion "docs"
+               (invoke "make" "info" "man"))
+             ;; Move .info file at the root so that it can installed by the
+             ;; 'move-doc phase.
+             (rename-file "docs/_build/texinfo/Elpy.info" "Elpy.info")
+              #t))
+         (add-after 'build-doc 'install-manpage
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out  (assoc-ref outputs "out"))
+                    (man1 (string-append out "/share/man/man1")))
+               (mkdir-p man1)
+               (copy-file "docs/_build/man/elpy.1"
+                          (string-append man1 "/elpy.1")))
+             #t)))
+       #:tests? #t
+       #:test-command '("ert-runner")))
+    (propagated-inputs
+     `(("emacs-company" ,emacs-company)
+       ("emacs-find-file-in-project" ,emacs-find-file-in-project)
+       ("emacs-highlight-indentation" ,emacs-highlight-indentation)
+       ("emacs-yasnippet" ,emacs-yasnippet)
+       ("pyvenv" ,emacs-pyvenv)
+       ("s" ,emacs-s)))
+    (native-inputs
+     `(("ert-runner" ,emacs-ert-runner)
+       ("emacs-f" ,emacs-f)
+       ("python" ,python-wrapper)
+       ("python-autopep8" ,python-autopep8)
+       ("python-black" ,python-black)
+       ("python-flake8" ,python-flake8)
+       ("python-jedi" ,python-jedi)
+       ("python-yapf" ,python-yapf)
+       ;; For documentation.
+       ("python-sphinx" ,python-sphinx)
+       ("texinfo" ,texinfo)))
+    (home-page "https://github.com/jorgenschaefer/elpy")
+    (synopsis "Python development environment for Emacs")
+    (description "Elpy brings powerful Python editing to Emacs.  It combines
+and configures a number of other packages written in Emacs Lisp as well as
+Python, together offering features such as navigation, documentation,
+completion, interactive development and more.")
+    (license license:gpl3+)))
+
+(define-public emacs-rainbow-delimiters
+  (package
+    (name "emacs-rainbow-delimiters")
+    (version "2.1.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com/Fanael"
+                                  "/rainbow-delimiters/" version
+                                  "/rainbow-delimiters.el"))
+              (file-name (string-append "rainbow-delimiters-" version ".el"))
+              (sha256
+               (base32
+                "1b3kampwsjabhcqdp0khgff13wc5jqhy3rbvaa12vnv7qy22l9ck"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Fanael/rainbow-delimiters")
+    (synopsis "Highlight brackets according to their depth")
+    (description
+     "Rainbow-delimiters is a \"rainbow parentheses\"-like mode for Emacs which
+highlights parentheses, brackets, and braces according to their depth.  Each
+successive level is highlighted in a different color, making it easy to spot
+matching delimiters, orient yourself in the code, and tell which statements
+are at a given level.")
+    (license license:gpl3+)))
+
+(define-public emacs-rainbow-identifiers
+  (package
+    (name "emacs-rainbow-identifiers")
+    (version "0.2.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com/Fanael"
+                                  "/rainbow-identifiers/" version
+                                  "/rainbow-identifiers.el"))
+              (file-name (string-append "rainbow-identifiers-" version ".el"))
+              (sha256
+               (base32
+                "0325abxj47k0g1i8nqrq70w2wr6060ckhhf92krv1s072b3jzm31"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Fanael/rainbow-identifiers")
+    (synopsis "Highlight identifiers in source code")
+    (description
+     "Rainbow identifiers mode is an Emacs minor mode providing highlighting of
+identifiers based on their names.  Each identifier gets a color based on a hash
+of its name.")
+    (license license:bsd-2)))
+
+(define-public emacs-rainbow-mode
+  (package
+    (name "emacs-rainbow-mode")
+    (version "1.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://elpa.gnu.org/packages/rainbow-mode-" version ".el"))
+              (sha256
+               (base32
+                "0cpga4ax635rfpj7y2vmh7ank0yw00dcy20gjg1mj74r97by8csf"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/rainbow-mode.html")
+    (synopsis "Colorize color names in buffers")
+    (description
+     "This minor mode sets background color to strings that match color
+names, e.g. #0000ff is displayed in white with a blue background.")
+    (license license:gpl3+)))
+
+(define-public emacs-visual-fill-column
+  (package
+    (name "emacs-visual-fill-column")
+    (version "1.11")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://codeload.github.com/joostkremers/"
+                                  "visual-fill-column/tar.gz/" version))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "13jnviakp607zcms7f8ams56mr8wffnq1pghlc6fvqs39663pgwh"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/joostkremers/visual-fill-column")
+    (synopsis "Fill-column for visual-line-mode")
+    (description
+     "@code{visual-fill-column-mode} is a small Emacs minor mode that mimics
+the effect of @code{fill-column} in @code{visual-line-mode}.  Instead of
+wrapping lines at the window edge, which is the standard behaviour of
+@code{visual-line-mode}, it wraps lines at @code{fill-column}.  If
+@code{fill-column} is too large for the window, the text is wrapped at the
+window edge.")
+    (license license:gpl3+)))
+
+(define-public emacs-writeroom
+  (package
+    (name "emacs-writeroom")
+    (version "3.7")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/joostkremers/writeroom-mode/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0yqgp5h3kvvpgva4azakb2wnjl7gsyh45glf75crspv3xyq57f2r"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-visual-fill-column" ,emacs-visual-fill-column)))
+    (home-page "https://github.com/joostkremers/writeroom-mode")
+    (synopsis "Distraction-free writing for Emacs")
+    (description
+     "This package defines a minor mode for distraction-free writing.  Some of
+the default effects include entering fullscreen, deleting other windows of the
+current frame, disabling the mode line, and adding margins to the buffer that
+restrict the text width to 80 characters.")
+    (license license:bsd-3)))
+
+(define-public emacs-ido-completing-read+
+  (package
+    (name "emacs-ido-completing-read+")
+    (version "3.12")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com"
+                                  "/DarwinAwardWinner/ido-ubiquitous/v"
+                                  version "/ido-completing-read+.el"))
+              (file-name (string-append "ido-completing-read+-" version ".el"))
+              (sha256
+               (base32
+                "1cyalb0p7nfsm4n6n9q6rjmvn6adqc0fq8ybnlj3n41n289dkfjf"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/DarwinAwardWinner/ido-ubiquitous")
+    (synopsis "Replacement for completing-read using ido")
+    (description
+     "The ido-completing-read+ function is a wrapper for ido-completing-read.
+Importantly, it detects edge cases that ordinary ido cannot handle and either
+adjusts them so ido can handle them, or else simply falls back to the standard
+Emacs completion function instead.")
+    (license license:gpl3+)))
+
+(define-public emacs-ido-ubiquitous
+  (package
+    (name "emacs-ido-ubiquitous")
+    (version "3.12")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com"
+                                  "/DarwinAwardWinner/ido-ubiquitous/v"
+                                  version "/ido-ubiquitous.el"))
+              (file-name (string-append "ido-ubiquitous-" version ".el"))
+              (sha256
+               (base32
+                "197ypji0fb6jsdcq40rpnknwlh3imas6s6jbsvkfm0pz9988c3q2"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-ido-completing-read+" ,emacs-ido-completing-read+)))
+    (home-page "https://github.com/DarwinAwardWinner/ido-ubiquitous")
+    (synopsis "Use ido (nearly) everywhere")
+    (description
+     "Ido-ubiquitous enables ido-style completion for almost every function
+that uses the standard completion function completing-read.")
+  (license license:gpl3+)))
+
+(define-public emacs-yaml-mode
+  (package
+    (name "emacs-yaml-mode")
+    (version "0.0.13")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com/yoshiki"
+                                  "/yaml-mode/v" version "/yaml-mode.el"))
+              (file-name (string-append "yaml-mode-" version ".el"))
+              (sha256
+               (base32
+                "0im88sk9dqw03x6d6zaspgvg9i0pfpgb8f2zygrmbifh2w4pwmvj"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/yoshiki/yaml-mode")
+    (synopsis "Major mode for editing YAML files")
+    (description
+     "Yaml-mode is an Emacs major mode for editing files in the YAML data
+serialization format.  It was initially developed by Yoshiki Kurihara and many
+features were added by Marshall Vandegrift.  As YAML and Python share the fact
+that indentation determines structure, this mode provides indentation and
+indentation command behavior very similar to that of python-mode.")
+    (license license:gpl3+)))
+
+(define-public emacs-web-mode
+  (package
+    (name "emacs-web-mode")
+    (version "16")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://raw.githubusercontent.com/fxbois"
+                                  "/web-mode/v" version "/web-mode.el"))
+              (file-name (string-append "web-mode-" version ".el"))
+              (sha256
+               (base32
+                "1hs5w7kdvcyn4ihyw1kfjg48djn5p7lz4rlbhzzdqv1g56xqx3gw"))))
+    (build-system emacs-build-system)
+    (synopsis "Major mode for editing web templates")
+    (description "Web-mode is an Emacs major mode for editing web templates
+aka HTML files embedding parts (CSS/JavaScript) and blocks (pre rendered by
+client/server side engines).  Web-mode is compatible with many template
+engines: PHP, JSP, ASP, Django, Twig, Jinja, Mustache, ERB, FreeMarker,
+Velocity, Cheetah, Smarty, CTemplate, Mustache, Blade, ErlyDTL, Go Template,
+Dust.js, React/JSX, Angularjs, ejs, etc.")
+    (home-page "http://web-mode.org/")
+    (license license:gpl3+)))
+
+(define-public emacs-wgrep
+  (let ((commit "414be70bd313e482cd9f0b70fd2daad4ee23497c"))
+    ;; Late commit fixes compatibility issue with Emacs 26+.
+    (package
+      (name "emacs-wgrep")
+      (version (git-version "2.1.10" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/mhayashi1120/Emacs-wgrep")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1sdhd587q3pg92lhiayph87azhalmf1gzrnsprkmqvnphv7mvks9"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/mhayashi1120/Emacs-wgrep")
+      (synopsis "Edit a grep buffer and apply those changes to the files")
+      (description
+       "Emacs wgrep allows you to edit a grep buffer and apply those changes
+to the file buffer.  Several backends are supported beside the classic grep:
+ack, ag, helm and pt.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm
+  (package
+    (name "emacs-helm")
+    (version "3.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/" name "/helm/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0k2r0ccppaqfjvyszaxa16vf7g2qzj1clhfr6v646ncsy17laciw"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-async" ,emacs-async)
+       ("emacs-popup" ,emacs-popup)))
+    (home-page "https://emacs-helm.github.io/helm/")
+    (synopsis "Incremental completion and selection narrowing
+framework for Emacs")
+    (description "Helm is incremental completion and selection narrowing
+framework for Emacs.  It will help steer you in the right direction when
+you're looking for stuff in Emacs (like buffers, files, etc).  Helm is a fork
+of @code{anything.el} originally written by Tamas Patrovic and can be
+considered to be its successor.  Helm sets out to clean up the legacy code in
+@code{anything.el} and provide a cleaner, leaner and more modular tool, that's
+not tied in the trap of backward compatibility.")
+    (license license:gpl3+)))
+
+(define-public emacs-helm-swoop
+  (package
+    (name "emacs-helm-swoop")
+    (version "1.7.4")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/ShingoFukuyama/helm-swoop/archive/"
+                    version
+                    ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1ssivsjzlnkg049cg993l8fp09l5nhpz6asj7w5c91zp5kpc6fh7"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-helm" ,emacs-helm)))
+    (home-page "https://github.com/ShingoFukuyama/helm-swoop")
+    (synopsis "Filter and jump to lines in an Emacs buffer using Helm")
+    (description
+     "This package builds on the Helm interface to provide several commands
+for search-based navigation of buffers.")
+    (license license:gpl2+)))
+
+(define-public emacs-helm-projectile
+  (package
+    (name "emacs-helm-projectile")
+    (version "0.14.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/bbatsov/helm-projectile/archive/v"
+                    version
+                    ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "19cfmilqh8kbab3b2hmx6lyrj73q6vfmn3p730x95g23iz16mnd5"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-helm" ,emacs-helm)
+       ("emacs-projectile" ,emacs-projectile)))
+    (home-page "https://github.com/bbatsov/helm-projectile")
+    (synopsis "Helm integration for Projectile")
+    (description
+     "This Emacs library provides a Helm interface for Projectile.")
+    (license license:gpl3+)))
+
+(define-public emacs-helm-make
+  (let ((commit "feae8df22bc4b20705ea08ac9adfc2b43bb348d0")
+        (revision "1"))
+    (package
+      (name "emacs-helm-make")
+      (version (string-append "0.1.0-" revision "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/abo-abo/helm-make.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1y2v77mmd1bfkkz51cnk1l0dg3lvvxc39wlamnm7wjns66dbvlam"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-projectile" ,emacs-projectile)))
+      (home-page "https://github.com/abo-abo/helm-make")
+      (synopsis "Select a Makefile target with helm")
+      (description "@code{helm-make} or @code{helm-make-projectile} will give
+you a @code{helm} selection of directory Makefile's targets.  Selecting a
+target will call @code{compile} on it.")
+      (license license:gpl3+))))
+
+(define-public emacs-cider
+  (package
+    (name "emacs-cider")
+    (version "0.18.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/clojure-emacs/cider.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1m9kc88vga3q5d731qnpngnsa0n57pf21k3hll20rw8rggrx4vdn"))))
+    (build-system emacs-build-system)
+    (arguments
+     '(#:exclude                        ; Don't exclude 'cider-test.el'.
+       '("^\\.dir-locals\\.el$" "^test/")))
+    (propagated-inputs
+     `(("emacs-clojure-mode" ,emacs-clojure-mode)
+       ("emacs-sesman" ,emacs-sesman)
+       ("emacs-spinner" ,emacs-spinner)
+       ("emacs-pkg-info" ,emacs-pkg-info)
+       ("emacs-queue" ,emacs-queue)))
+    (home-page "https://cider.readthedocs.io/")
+    (synopsis "Clojure development environment for Emacs")
+    (description
+     "CIDER (Clojure Interactive Development Environment that Rocks) aims to
+provide an interactive development experience similar to the one you'd get
+when programming in Emacs Lisp, Common Lisp (with SLIME or Sly), Scheme (with
+Geiser) and Smalltalk.
+
+CIDER is the successor to the now deprecated combination of using SLIME +
+swank-clojure for Clojure development.
+
+There are plenty of differences between CIDER and SLIME, but the core ideas
+are pretty much the same (and SLIME served as the principle inspiration for
+CIDER).")
+    (license license:gpl3+)))
+
+;; There hasn't been a tag or release since 2015, so we take the latest
+;; commit.
+(define-public emacs-sly
+  (let ((commit "486bfbe95612bcdc0960c490207970a188e0fbb9")
+        (revision "1"))
+    (package
+      (name "emacs-sly")
+      (version (string-append "1.0.0-" revision "." (string-take commit 9)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/joaotavora/sly.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0ib4q4k3h3qn88pymyjjmlmnpizdn1mfg5gpk5a715nqsgxlg09l"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:include (cons "^lib\\/" %default-include)
+         #:phases
+         ;; The package provides autoloads.
+         (modify-phases %standard-phases
+           (delete 'make-autoloads))))
+      (home-page "https://github.com/joaotavora/sly")
+      (synopsis "Sylvester the Cat's Common Lisp IDE")
+      (description
+       "SLY is Sylvester the Cat's Common Lisp IDE.  SLY is a fork of SLIME, and
+contains the following improvements over it:
+
+@enumerate
+@item Completely redesigned REPL based on Emacs's own full-featured
+  @code{comint.el}
+@item Live code annotations via a new @code{sly-stickers} contrib
+@item Consistent interactive button interface.  Everything can be copied to
+  the REPL.
+@item Multiple inspectors with independent history
+@item Regexp-capable @code{M-x sly-apropos}
+@item Contribs are first class SLY citizens and enabled by default
+@item Use ASDF to loads contribs on demand.
+@end enumerate
+
+SLY tracks SLIME's bugfixes and all its familar features (debugger, inspector,
+xref, etc...) are still available, but with better integration.")
+      (license license:gpl3+))))
+
+(define-public emacs-lua-mode
+  (let ((commit "652e299cb967fccca827dda381d61a9c144d97de")
+        (revision "1"))
+    (package
+      (name "emacs-lua-mode")
+      (version (string-append "20151025." revision "-" (string-take commit 9)))
+      (home-page "https://github.com/immerrr/lua-mode/")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url home-page)
+                      (commit commit)))
+                (file-name (string-append name "-" version ".checkout"))
+                (sha256
+                 (base32
+                  "053025k930wh0lak6rc1973ynfrmm8zsyzfqhhd39x7abkl41hc9"))))
+      (build-system emacs-build-system)
+      (synopsis "Major mode for lua")
+      (description
+       "This Emacs package provides a mode for @uref{https://www.lua.org/,
+Lua programing language}.")
+      (license license:gpl2+))))
+
+(define-public emacs-ebuild-mode
+  (package
+    (name "emacs-ebuild-mode")
+    (version "1.37")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://dev.gentoo.org/~ulm/emacs/ebuild-mode"
+                    "-" version ".tar.xz"))
+              (file-name (string-append name "-" version ".tar.xz"))
+              (sha256
+               (base32
+                "07dzrdjjczkxdfdgi60h4jjkvzi4p0k9rij2wpfp8s03ay3qldpp"))))
+    (build-system emacs-build-system)
+    (home-page "https://devmanual.gentoo.org")
+    (synopsis "Major modes for Gentoo package files")
+    (description
+     "This Emacs package provides modes for ebuild, eclass, eblit, GLEP42
+news items, openrc and runscripts.")
+    (license license:gpl2+)))
+
+(define-public emacs-evil
+  (let ((commit "230b87212c81aaa68ef5547a6b998d9c365fe139"))
+    (package
+      (name "emacs-evil")
+      (version (git-version "1.2.13" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacs-evil/evil")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0c9zy3bpck10gcrv79kd3h7i4ygd5bgbgy773n0lg7a2r5kwn1gx"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-undo-tree" ,emacs-undo-tree)
+         ("emacs-goto-chg" ,emacs-goto-chg)))
+      (home-page "https://github.com/emacs-evil/evil")
+      (synopsis "Extensible Vi layer for Emacs")
+      (description
+       "Evil is an extensible vi layer for Emacs.  It emulates the
+main features of Vim, and provides facilities for writing custom
+extensions.")
+      (license license:gpl3+))))
+
+(define-public emacs-evil-collection
+  (let ((commit "4e1f0e0b17153d460805a0da90d6191d66b2673d")
+        (revision "5"))
+    (package
+      (name "emacs-evil-collection")
+      (version (git-version "0.0.1" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/emacs-evil/evil-collection")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "11d5ppdnb2y2mwsdd9g62h7zds962kw3nss89zv5iwgcf9f1fb5x"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-evil" ,emacs-evil)))
+      (home-page "https://github.com/emacs-evil/evil-collection")
+      (synopsis "Collection of Evil bindings for many major and minor modes")
+      (description "This is a collection of Evil bindings for the parts of
+Emacs that Evil does not cover properly by default, such as @code{help-mode},
+@code{M-x calendar}, Eshell and more.")
+      (license license:gpl3+))))
+
+(define-public emacs-goto-chg
+  (package
+    (name "emacs-goto-chg")
+    (version "1.6")
+    (source
+     (origin
+       (method url-fetch)
+       ;; There is no versioned source.
+       (uri "https://www.emacswiki.org/emacs/download/goto-chg.el")
+       (file-name (string-append "goto-chg-" version ".el"))
+       (sha256
+        (base32
+         "078d6p4br5vips7b9x4v6cy0wxf6m5ij9gpqd4g33bryn22gnpij"))))
+    (build-system emacs-build-system)
+    ;; There is no other home page.
+    (home-page "https://www.emacswiki.org/emacs/goto-chg.el")
+    (synopsis "Go to the last change in the Emacs buffer")
+    (description
+     "This package provides @code{M-x goto-last-change} command that goes to
+the point of the most recent edit in the current Emacs buffer.  When repeated,
+go to the second most recent edit, etc.  Negative argument, @kbd{C-u -}, is
+used for reverse direction.")
+    (license license:gpl2+)))
+
+(define-public emacs-monroe
+  (package
+    (name "emacs-monroe")
+    (version "0.3.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (string-append "https://github.com/sanel/monroe/archive/"
+                            version ".tar.gz"))
+        (file-name (string-append name "-" version ".tar.gz"))
+        (sha256
+          (base32
+            "0icdx8shkd951phlnmcq1vqaxp1l667q5rjscskc5r22aylakh4w"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/sanel/monroe")
+    (synopsis "Clojure nREPL client for Emacs")
+    (description
+      "Monroe is a nREPL client for Emacs, focused on simplicity and easy
+distribution, primarily targeting Clojure users")
+    (license license:gpl3+)))
+
+(define-public emacs-orgalist
+  (package
+    (name "emacs-orgalist")
+    (version "1.9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/"
+                           "orgalist-" version ".el"))
+       (sha256
+        (base32
+         "1rmmcyiiqkq54hn74nhzxzl4nvd902hv6gq341jwhrm7yiagffi6"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/orgalist.html")
+    (synopsis "Manage Org-like lists in non-Org buffers")
+    (description "Write Org mode's plain lists in non-Org buffers.  More
+specifically, Orgalist supports the syntax of Org mode for numbered,
+unnumbered, description items, checkboxes, and counter cookies.
+
+The library also implements radio lists, i.e., lists written in Org
+syntax later translated into the host format, e.g., LaTeX or HTML.")
+    (license license:gpl3+)))
+
+(define-public emacs-writegood-mode
+  (package
+    (name "emacs-writegood-mode")
+    (version "2.0.2")
+    (home-page "https://github.com/bnbeckwith/writegood-mode")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url home-page)
+                    (commit (string-append "v" version))))
+              (sha256
+               (base32
+                "1nnjn1r669hvvzfycllwap4w04m8rfsk4nzcg8057m1f263kj31b"))
+              (file-name (string-append name "-checkout"))))
+    (build-system emacs-build-system)
+    (synopsis "Polish up poor writing on the fly")
+    (description
+     "This minor mode tries to find and highlight problems with your writing
+in English as you type.  It primarily detects \"weasel words\" and abuse of
+passive voice.")
+    (license license:gpl3+)))
+
+(define-public emacs-neotree
+  (package
+    (name "emacs-neotree")
+    (version "0.5.2")
+    (home-page "https://github.com/jaypei/emacs-neotree")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/jaypei/" name
+                    "/archive/" version ".tar.gz"))
+              (sha256
+               (base32
+                "1zd6dchwyijnf7kgchfcp51gs938l204dk9z6mljrfqf2zy0gp12"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (synopsis "Folder tree view for Emacs")
+    (description "This Emacs package provides a folder tree view.")
+    (license license:gpl3+)))
+
+(define-public emacs-org
+  (package
+    (name "emacs-org")
+    ;; emacs-org-contrib inherits from this package.  Please update its sha256
+    ;; checksum as well.
+    (version "9.2")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "http://elpa.gnu.org/packages/org-"
+                                  version ".tar"))
+              (sha256
+               (base32
+                "14ydwh2r360fpi6v2g9rgf0zazy2ddq1pcdxvzn73h65glnnclz9"))))
+    (build-system emacs-build-system)
+    (home-page "https://orgmode.org/")
+    (synopsis "Outline-based notes management and organizer")
+    (description "Org is an Emacs mode for keeping notes, maintaining TODO
+lists, and project planning with a fast and effective lightweight markup
+language.  It also is an authoring system with unique support for literate
+programming and reproducible research.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-contrib
+  (package
+    (inherit emacs-org)
+    (name "emacs-org-contrib")
+    (version "20181230")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://orgmode.org/elpa/org-plus-contrib-"
+                                  version ".tar"))
+              (sha256
+               (base32
+                "0gibwcjlardjwq19bh0zzszv0dxxlml0rh5iikkcdynbgndk1aa1"))))
+    (arguments
+     `(#:modules ((guix build emacs-build-system)
+                  (guix build utils)
+                  (guix build emacs-utils)
+                  (ice-9 ftw)
+                  (srfi srfi-1))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'delete-org-files
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (org (assoc-ref inputs "org"))
+                    (contrib-files
+                     (map basename (find-files out)))
+                    (org+contrib-files
+                     (map basename (find-files org)))
+                    (duplicates (lset-intersection
+                                 string=? contrib-files org+contrib-files)))
+               (with-directory-excursion
+                   (string-append
+                    out "/share/emacs/site-lisp/guix.d/org-contrib-" ,version)
+                 (for-each delete-file duplicates))
+               #t))))))
+    (propagated-inputs
+     `(("arduino-mode" ,emacs-arduino-mode)
+       ("cider" ,emacs-cider)
+       ("org" ,emacs-org)
+       ("scel" ,emacs-scel)))
+    (synopsis "Contributed packages to Org mode")
+    (description "Org is an Emacs mode for keeping notes, maintaining TODO
+lists, and project planning with a fast and effective plain-text system.
+
+This package is equivalent to org-plus-contrib, but only includes additional
+files that you would find in @file{contrib/} from the git repository.")))
+
+(define-public emacs-flx
+  (package
+    (name "emacs-flx")
+    (version "0.6.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/lewang/"
+                           "flx/archive/v" version ".tar.gz"))
+       (sha256
+        (base32
+         "0bkcpnf1j4i2fcc2rllwbz62l00sw2mcia6rm5amgwvlkqavmkv6"))
+       (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/lewang/flx")
+    (synopsis "Fuzzy matching for Emacs")
+    (description
+     "Flx provides fuzzy matching for emacs a la sublime text.
+The sorting algorithm is a balance between word beginnings (abbreviation)
+and contiguous matches (substring).  The longer the substring match,
+the higher it scores. This maps well to how we think about matching.
+Flx has support for ido (interactively do things) through flx-ido.")
+    (license license:gpl3+)))
+
+(define-public emacs-cyberpunk-theme
+  (package
+    (name "emacs-cyberpunk-theme")
+    (version "1.19")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/n3mo/cyberpunk-theme.el/"
+                           "archive/" version ".tar.gz"))
+       (sha256
+        (base32
+         "05l5fxw1mn5py6mfhxrzyqjq0d8m5m1akfi46vrgh13r414jffvv"))
+       (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/n3mo/cyberpunk-theme.el")
+    (synopsis "Cyberpunk theme for emacs built-in color theme support")
+    (description
+     "Cyberpunk color theme for the emacs 24+ built-in color theme support
+known loosely as deftheme.  Many mode-specific customizations are included.")
+    (license license:gpl3+)))
+
+(define-public emacs-danneskjold-theme
+  (let* ((commit "8733d2fe8743e8a01826ea6d4430ef376c727e57")
+         (revision "1"))
+    (package
+      (name "emacs-danneskjold-theme")
+      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
+      (home-page "https://github.com/rails-to-cosmos/danneskjold-theme")
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url home-page)
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0s6rbsb0y8i8m5b9xm4gw1p1cxsxdqnqxqqb638pygz9f76mbir1"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'delete-screenshots
+             (lambda _
+               (delete-file-recursively "screenshots") #t)))))
+      (synopsis "High-contrast Emacs theme")
+      (description
+       "@code{danneskjold-theme} is a high-contrast theme for Emacs.")
+      (license license:gpl3+))))
+
+(define-public emacs-dream-theme
+  (let* ((commit "107a11d74365046f28a1802a2bdb5e69e4a7488b")
+         (revision "1"))
+    (package
+      (name "emacs-dream-theme")
+      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/djcb/dream-theme")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0za18nfkq4xqm35k6006vsixcbmvmxqgma4iw5sw37h8vmcsdylk"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/djcb/dream-theme")
+      (synopsis "High-contrast Emacs theme")
+      (description
+       "@code{dream-theme} is a dark, clean theme for Emacs.  It is inspired
+by zenburn, sinburn and similar themes, but slowly diverging from them.")
+      (license license:gpl3+))))
+
+(define-public emacs-auto-complete
+  (package
+    (name "emacs-auto-complete")
+    (version "1.5.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/auto-complete/"
+                           "auto-complete/archive/v" version ".tar.gz"))
+       (sha256
+        (base32
+         "1jvq4lj00hwml75lpmlciazy8f3bbg13gffsfnl835p4qd8l7yqv"))
+       (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-popup" ,emacs-popup)))
+    (home-page "https://github.com/auto-complete/auto-complete")
+    (synopsis "Intelligent auto-completion extension for Emacs")
+    (description
+     "Auto-Complete is an intelligent auto-completion extension for Emacs.
+It extends the standard Emacs completion interface and provides an environment
+that allows users to concentrate more on their own work.  Its features are:
+a visual interface, reduce overhead of completion by using statistic method,
+extensibility.")
+    (license license:gpl3+)))
+
+(define-public emacs-nginx-mode
+  (package
+    (name "emacs-nginx-mode")
+    (version "1.1.9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/ajc/nginx-mode/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0bzyrj6zz1hm67bkhw23bam7qc869s3zg7m1rb1c3aa4n0aw90cq"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ajc/nginx-mode")
+    (synopsis "Emacs major mode for editing nginx config files")
+    (description "This package provides an Emacs major mode for
+editing nginx config files.")
+    (license license:gpl2+)))
+
+(define-public emacs-stream
+  (package
+    (name "emacs-stream")
+    (version "2.2.0")
+    (home-page "https://github.com/NicolasPetton/stream")
+    (source
+     (origin
+       (method url-fetch)
+       (file-name (string-append name "-" version ".tar.gz"))
+       (uri (string-append home-page "/archive/"version ".tar.gz"))
+       (sha256
+        (base32 "03ql4nqfz5pn55mjly6clhvc3g7x2d28kj7mrlqmigvjbql39xxc"))))
+    (build-system emacs-build-system)
+    (synopsis "Implementation of streams for Emacs")
+    (description "This library provides an implementation of streams for Emacs.
+Streams are implemented as delayed evaluation of cons cells.")
+    (license license:gpl3+)))
+
+(define-public emacs-el-search
+  (let ((commit "f26277bfbb3fc3fc74beea6592f294c439796bd4")
+        (revision "1"))
+    (package
+      (name "emacs-el-search")
+      ;; No ufficial release.
+      (version (string-append "0.0-" revision "." (string-take commit 7)))
+      (home-page "https://github.com/emacsmirror/el-search")
+      (source
+       (origin
+         (method git-fetch)
+         (file-name (string-append name "-" version ".tar.gz"))
+         (uri (git-reference
+               (commit commit)
+               (url (string-append home-page ".git"))))
+         (sha256
+          (base32 "12xf40h9sb7xxg2r97gsia94q02543mgiiiw46fzh1ac7b7993g6"))))
+      (build-system emacs-build-system)
+      (inputs `(("emacs-stream" ,emacs-stream)))
+      (synopsis "Expression based interactive search for emacs-lisp-mode")
+      (description "This package provides expression based interactive search
+procedures for emacs-lisp-mode.")
+      (license license:gpl3+))))
+
+(define-public emacs-ht
+  (package
+    (name "emacs-ht")
+    (version "2.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/Wilfred/ht.el/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1lpba36kzxcc966fvsbrfpy8ah9gnvay0yk26gbyjil0rggrbqzj"))))
+    (build-system emacs-build-system)
+    (propagated-inputs `(("emacs-dash" ,emacs-dash)))
+    (home-page "https://github.com/Wilfred/ht.el")
+    (synopsis "Hash table library for Emacs")
+    (description
+     "This package simplifies the use of hash tables in elisp.  It also
+provides functions to convert hash tables from and to alists and plists.")
+    (license license:gpl3+)))
+
+(define-public emacs-log4e
+  (package
+    (name "emacs-log4e")
+    (version "0.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/aki2o/log4e/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0nbdpbw353snda3v19l9hsm6gimppwnpxj18amm350bm81lyim2g"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'remove-tests
+           ;; Guile builder complains about null characters in some
+           ;; strings of test files.  Remove "test" directory (it is not
+           ;; needed anyway).
+           (lambda _
+             (delete-file-recursively "test"))))))
+    (home-page "https://github.com/aki2o/log4e")
+    (synopsis "Logging framework for elisp")
+    (description
+     "This package provides a logging framework for elisp.  It allows
+you to deal with multiple log levels.")
+    (license license:gpl3+)))
+
+(define-public emacs-gntp
+  (package
+    (name "emacs-gntp")
+    (version "0.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/tekai/gntp.el/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "16c1dfkia9yhl206bdhjr3b8kfvqcqr38jl5lq8qsyrrzsnmghny"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/tekai/gntp.el")
+    (synopsis "Growl Notification Protocol for Emacs")
+    (description
+     "This package implements the Growl Notification Protocol GNTP
+described at @uref{http://www.growlforwindows.com/gfw/help/gntp.aspx}.
+It is incomplete as it only lets you send but not receive
+notifications.")
+    (license license:bsd-3)))
+
+(define-public emacs-alert
+  (package
+    (name "emacs-alert")
+    (version "1.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/jwiegley/alert/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1693kck3k2iz5zhpmxwqyafxm68hr6gzs60lkxd3j1wlp2c9fwyr"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-gntp" ,emacs-gntp)
+       ("emacs-log4e" ,emacs-log4e)))
+    (home-page "https://github.com/jwiegley/alert")
+    (synopsis "Growl-style notification system for Emacs")
+    (description
+     "Alert is a Growl-workalike for Emacs which uses a common notification
+interface and multiple, selectable \"styles\", whose use is fully
+customizable by the user.")
+    (license license:gpl2+)))
+
+(define-public emacs-mu4e-alert
+  (package
+    (name "emacs-mu4e-alert")
+    (version "1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/iqbalansari/mu4e-alert/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "07qc834qnxn8xi4bw5nawj8g91bmkzw0r0vahkgysp7r9xrf57gj"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-alert" ,emacs-alert)
+       ("emacs-s" ,emacs-s)
+       ("emacs-ht" ,emacs-ht)
+       ("mu" ,mu)))
+    (home-page "https://github.com/iqbalansari/mu4e-alert")
+    (synopsis "Desktop notification for mu4e")
+    (description
+     "This package provides desktop notifications for mu4e.
+Additionally it can display the number of unread emails in the
+mode-line.")
+    (license license:gpl3+)))
+
+(define-public emacs-pretty-mode
+  (package
+    (name "emacs-pretty-mode")
+    (version "2.0.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/akatov/pretty-mode/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1fan7m4vnqs8kpg7r54kx3g7faadkpkf9kzarfv8n57kq8w157pl"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/akatov/pretty-mode")
+    (synopsis "Redisplay parts of the buffer as Unicode symbols")
+    (description
+     "Emacs minor mode for redisplaying parts of the buffer as pretty symbols.")
+    (license license:gpl3+)))
+
+(define-public emacs-yasnippet
+  (package
+    (name "emacs-yasnippet")
+    (version "0.13.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/joaotavora/yasnippet/"
+                                  "archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "12ls2x17agzbrj1xynjbmfa11igqxia4hj4fv6fpr66yci2r1plc"))
+              (modules '((guix build utils)))
+              (snippet
+               '(begin
+                  ;; YASnippet expects a "snippets" subdirectory in the same
+                  ;; directory as yasnippet.el, but we don't install it
+                  ;; because it's a git submodule pointing to an external
+                  ;; repository.  Adjust `yas-snippet-dirs' to prevent
+                  ;; warnings about a missing directory.
+                  (substitute* "yasnippet.el"
+                    (("^ +'yas-installed-snippets-dir\\)\\)\n")
+                     "))\n"))
+                  #t))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/joaotavora/yasnippet")
+    (synopsis "Yet another snippet extension for Emacs")
+    (description
+     "YASnippet is a template system for Emacs.  It allows you to type an
+abbreviation and automatically expand it into function templates.")
+    (license license:gpl3+)))
+
+(define-public emacs-yasnippet-snippets
+  (let ((commit "885050d34737e2fb36a3e7759d60c09347bd4ce0")
+        (revision "1"))
+    (package
+      (name "emacs-yasnippet-snippets")
+      (version (string-append "1-" revision "." (string-take commit 8)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/AndreaCrotti/yasnippet-snippets")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1m935zgglw0iakzrixld5rcjz3wnj84f8wy2mvc3pggjri9l0qr9"))))
+      (build-system trivial-build-system)
+      (arguments
+       `(#:modules ((ice-9 ftw)
+                    (ice-9 regex)
+                    (guix build utils))
+         #:builder
+         (begin
+           (use-modules (ice-9 ftw)
+                        (ice-9 regex)
+                        (guix build utils))
+           (with-directory-excursion (assoc-ref %build-inputs "source")
+             (for-each (lambda (dir)
+                         (copy-recursively
+                          dir
+                          (string-append %output
+                                         "/share/emacs/yasnippet-snippets/"
+                                         dir)))
+                       (scandir "." (lambda (fname)
+                                      (and (string-match "-mode$" fname)
+                                           (directory-exists? fname))))))
+           #t)))
+      (home-page "https://github.com/AndreaCrotti/yasnippet-snippets")
+      (synopsis "Collection of YASnippet snippets for many languages")
+      (description
+       "Provides Andrea Crotti's collection of YASnippet snippets.  After installation,
+the snippets will be in \"~/.guix-profile/share/emacs/yasnippet-snippets/\".
+To make YASnippet aware of these snippets, add the above directory to
+@code{yas-snippet-dirs}.")
+      (license license:expat))))
+
+(define-public emacs-helm-c-yasnippet
+  (let ((commit "65ca732b510bfc31636708aebcfe4d2d845b59b0")
+        (revision "1"))
+    (package
+      (name "emacs-helm-c-yasnippet")
+      (version (string-append "0.6.7" "-" revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/emacs-jp/helm-c-yasnippet")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "1cbafjqlzxbg19xfdqsinsh7afq58gkf44rsg1qxfgm8g6zhr7f8"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-yasnippet" ,emacs-yasnippet)))
+      (home-page "https://github.com/emacs-jp/helm-c-yasnippet")
+      (synopsis "Helm integration for Yasnippet")
+      (description "This Emacs library provides Helm interface for
+Yasnippet.")
+      (license license:gpl2+))))
+
+(define-public emacs-helm-system-packages
+  (package
+    (name "emacs-helm-system-packages")
+    (version "1.10.1")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/emacs-helm/helm-system-packages")
+                    (commit (string-append "v" version))))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "01by0c4lqi2cw8xmbxkjw7m9x78zssm31sx4hdpw5j35s2951j0f"))))
+    (build-system emacs-build-system)
+    (inputs
+     `(("recutils" ,recutils)))
+    (propagated-inputs
+     `(("emacs-helm" ,emacs-helm)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'configure
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((recutils (assoc-ref inputs "recutils")))
+               ;; Specify the absolute file names of the various
+               ;; programs so that everything works out-of-the-box.
+               (substitute* "helm-system-packages-guix.el"
+                 (("recsel") (string-append recutils "/bin/recsel")))))))))
+    (home-page "https://github.com/emacs-helm/helm-system-packages")
+    (synopsis "Helm System Packages is an interface to your package manager")
+    (description "List all available packages in Helm (with installed
+packages displayed in their own respective face).  Fuzzy-search, mark and
+execute the desired action over any selections of packages: Install,
+uninstall, display packages details (in Org Mode) or insert details at point,
+find files owned by packages...  And much more, including performing all the
+above over the network.")
+    (license license:gpl3+)))
+
+(define-public emacs-memoize
+  (package
+    (name "emacs-memoize")
+    (version "1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/skeeto/emacs-memoize/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "05ijgwi4ymxx31vpjm2pn356j85cykknajn14lrzz8pn5sh0vrg4"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("emacs" "--batch"
+                        "-l" "memoize-test.el"
+                        "-f" "ert-run-tests-batch-and-exit")))
+    (home-page "https://github.com/skeeto/emacs-memoize")
+    (synopsis "Emacs lisp memoization library")
+    (description "@code{emacs-memoize} is an Emacs library for
+memoizing functions.")
+    (license license:unlicense)))
+
+(define-public emacs-linum-relative
+  (package
+    (name "emacs-linum-relative")
+    (version "0.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/coldnew/linum-relative/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0s4frvr27866lw1rn3jal9wj5rkz9fx4yiszqv7w06azsdgsqksv"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/coldnew/linum-relative")
+    (synopsis "Relative line numbering for Emacs")
+    (description "@code{emacs-linum-relative} displays the relative line
+number on the left margin in Emacs.")
+    (license license:gpl2+)))
+
+(define-public emacs-idle-highlight
+  (package
+    (name "emacs-idle-highlight")
+    (version "1.1.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/nonsequitur/idle-highlight-mode/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0kdv10hrgqpskjh0zvpnzwlkn5bccnqxas62gkws6njln57bf8nl"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/IdleHighlight")
+    (synopsis "Highlights all occurrences of the word the point is on")
+    (description
+     "This Emacs package provides @code{idle-highlight-mode} that sets
+ an idle timer to highlight all occurrences in the buffer of the word under
+ the point.")
+    (license license:gpl3+)))
+
+(define-public emacs-ox-twbs
+  (package
+    (name "emacs-ox-twbs")
+    (version "1.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/marsmining/ox-twbs/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1zaq8dczq5wijjk36114k2x3hfrqig3lyx6djril6wyk67vczyqs"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/marsmining/ox-twbs")
+    (synopsis "Export org-mode docs as HTML compatible with Twitter Bootstrap")
+    (description
+     "This Emacs package outputs your org-mode docs with a simple, clean and
+modern look.  It implements a new HTML back-end for exporting org-mode docs as
+HTML compatible with Twitter Bootstrap.  By default, HTML is exported with
+jQuery and Bootstrap resources included via osscdn.")
+    (license license:gpl3+)))
+
+(define-public emacs-highlight-sexp
+  (package
+    (name "emacs-highlight-sexp")
+    (version "1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/daimrod/highlight-sexp/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0jwx87qkln1rg9wmv4qkgkml935fh2pkgrg5x4ca6n5dgb4q6rj1"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/daimrod/highlight-sexp")
+    (synopsis "Minor mode that highlights the s-exp at the current position")
+    (description
+     "This Emacs package highlights the s-exp at the current position.")
+    (license license:gpl3+)))
+
+(define-public emacs-highlight-stages
+  (let ((commit "29cbc5b78261916da042ddb107420083da49b271")
+        (revision "1"))
+    (package
+      (name "emacs-highlight-stages")
+      (version (string-append "1.1.0" "-" revision "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/zk-phi/highlight-stages.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0r6nbcrr0dqpgm8dir8ahzjy7rw4nrac48byamzrq96r7ajlxlv0"))
+         (patches
+          (search-patches "emacs-highlight-stages-add-gexp.patch"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/wigust/highlight-stages")
+      (synopsis "Minor mode that highlights (quasi-quoted) expressions")
+      (description "@code{highlight-stages} provides an Emacs minor mode that
+highlights quasi-quoted expressions.")
+      (license license:gpl3+))))
+
+(define-public emacspeak
+  (package
+    (name "emacspeak")
+    (version "48.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/tvraman/emacspeak/releases/download/"
+             version "/emacspeak-" version ".tar.bz2"))
+       (sha256
+        (base32
+         "07imi3hji06b3r7v7v59978q76s8a7ynmxwfc9j03pgnv965lpjy"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:make-flags (list (string-append "prefix="
+                                         (assoc-ref %outputs "out")))
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (lisp (string-append out
+                                         "/share/emacs/site-lisp/emacspeak")))
+               (setenv "SHELL" (which "sh"))
+               ;; Configure Emacspeak according to etc/install.org.
+               (invoke "make" "config"))))
+         (add-after 'build 'build-espeak
+           (lambda _
+             (invoke "make" "espeak")))
+         (replace 'install
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (bin (string-append out "/bin"))
+                    (lisp (string-append out "/share/emacs/site-lisp/emacspeak"))
+                    (info (string-append out "/share/info"))
+                    (emacs (string-append (assoc-ref inputs "emacs")
+                                          "/bin/emacs")))
+               ;; According to etc/install.org, the Emacspeak directory should
+               ;; be copied to its installation destination.
+               (for-each
+                (lambda (file)
+                  (copy-recursively file (string-append lisp "/" file)))
+                '("etc" "info" "js" "lisp" "media" "scapes" "servers" "sounds"
+                  "stumpwm" "xsl"))
+               ;; Make sure emacspeak is loaded from the correct directory.
+               (substitute* "etc/emacspeak.sh"
+                 (("exec FLAVOR.*")
+                  (string-append "exec " emacs " -l " lisp
+                                 "/lisp/emacspeak-setup.el $CL_ALL")))
+               ;; Install the convenient startup script.
+               (mkdir-p bin)
+               (copy-file "etc/emacspeak.sh" (string-append bin "/emacspeak")))
+             #t))
+         (add-after 'install 'wrap-program
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (emacspeak (string-append out "/bin/emacspeak"))
+                    (espeak (string-append (assoc-ref inputs "espeak")
+                                           "/bin/espeak")))
+               ;; The environment variable DTK_PROGRAM tells emacspeak what
+               ;; program to use for speech.
+               (wrap-program emacspeak
+                 `("DTK_PROGRAM" ":" prefix (,espeak)))
+               #t))))
+       #:tests? #f)) ; no check target
+    (inputs
+     `(("emacs" ,emacs)
+       ("espeak" ,espeak)
+       ("perl" ,perl)
+       ("tcl" ,tcl)
+       ("tclx" ,tclx)))
+    (home-page "http://emacspeak.sourceforge.net")
+    (synopsis "Audio desktop interface for Emacs")
+    (description
+     "Emacspeak is a speech interface that allows visually impaired users to
+interact independently and efficiently with the computer.  Audio formatting
+--a technique pioneered by AsTeR-- and full support for W3C's Aural CSS (ACSS)
+allows Emacspeak to produce rich aural presentations of electronic information.
+By seamlessly blending all aspects of the Internet such as Web-surfing and
+messaging, Emacspeak speech-enables local and remote information via a
+consistent and well-integrated user interface.")
+    (license license:gpl2+)))
+
+(define-public emacs-adaptive-wrap
+  (package
+    (name "emacs-adaptive-wrap")
+    (version "0.5.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "http://elpa.gnu.org/packages/adaptive-wrap-"
+                    version ".el"))
+              (sha256
+               (base32
+                "0qi7gjprcpywk2daivnlavwsx53hl5wcqvpxbwinvigg42vxh3ll"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/adaptive-wrap.html")
+    (synopsis "Smart line-wrapping with wrap-prefix")
+    (description
+     "This Emacs package provides the @code{adaptive-wrap-prefix-mode}
+minor mode which sets the wrap-prefix property on the fly so that
+single-long-line paragraphs get word-wrapped in a way similar to what
+you'd get with @kbd{M-q} using @code{adaptive-fill-mode}, but without
+actually changing the buffer's text.")
+    (license license:gpl3+)))
+
+(define-public emacs-diff-hl
+ (package
+  (name "emacs-diff-hl")
+  (version "1.8.5")
+  (source
+    (origin
+      (method url-fetch)
+      (uri (string-append "https://elpa.gnu.org/packages/diff-hl-"
+                          version ".tar"))
+      (sha256
+        (base32
+          "1vxc7z7c2qs0mx7l5sa4sybi5qbzv0s79flj74p1ynw8dl3qxg3d"))))
+  (build-system emacs-build-system)
+  (home-page "https://github.com/dgutov/diff-hl")
+  (synopsis
+    "Highlight uncommitted changes using VC")
+  (description
+    "@code{diff-hl-mode} highlights uncommitted changes on the side of the
+window (using the fringe, by default), allows you to jump between
+the hunks and revert them selectively.")
+  (license license:gpl3+)))
+
+(define-public emacs-diminish
+  (package
+    (name "emacs-diminish")
+    (version "0.45")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/myrjola/diminish.el/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0i3629sv5cfrrb00hcnmaqzgs8mk36yasc1ax3ry1ga09nr6rkj9"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/myrjola/diminish.el")
+    (synopsis "Diminish minor modes with no modeline display")
+    (description "@code{emacs-diminish} implements hiding or
+abbreviation of the mode line displays (lighters) of minor modes.")
+    (license license:gpl2+)))
+
+(define-public emacs-use-package
+  (let ((commit "da8c9e2840343906e732f9699e43d35a1f06481d")
+        (revision "1"))
+    (package
+     (name "emacs-use-package")
+     (version (git-version "2.3" revision commit))
+     (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/jwiegley/use-package")
+                    (commit commit)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0jz38pbq1p9h85i6qcsh3sfzkd103y6mw3rg5zd14dxigp8ir3xz"))))
+     (build-system emacs-build-system)
+     (propagated-inputs
+      `(("emacs-diminish" ,emacs-diminish)))
+     (arguments
+      `(#:tests? #t
+        #:test-command '("emacs" "--batch"
+                         "-l" "use-package-tests.el"
+                         "-f" "ert-run-tests-batch-and-exit")))
+     (home-page "https://github.com/jwiegley/use-package")
+     (synopsis "Declaration for simplifying your .emacs")
+     (description "The use-package macro allows you to isolate package
+configuration in your @file{.emacs} file in a way that is both
+performance-oriented and tidy.")
+     (license license:gpl2+))))
+
+(define-public emacs-strace-mode
+  (let* ((commit "6a69b4b06db6797af56f33eda5cb28af94e59f11")
+         (revision "1"))
+    (package
+      (name "emacs-strace-mode")
+      (version (string-append "0.0.2-" revision "." (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/pkmoore/strace-mode")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "1lbk2kzdznf2bkfazizfbimaxxzfzv00lrz1ran9dc2zqbc0bj9f"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/pkmoore/strace-mode")
+      (synopsis "Emacs major mode to highlight strace outputs")
+      (description "@code{emacs-strace-mode} provides an Emacs major mode
+ highlighting strace outputs.")
+      (license license:gpl3+))))
+
+(define-public emacs-default-encrypt
+  (package
+    (name "emacs-default-encrypt")
+    (version "4.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://www.informationelle-selbstbestimmung-im-internet.de"
+             "/emacs/jl-encrypt" version "/jl-encrypt.el"))
+       (file-name (string-append "jl-encrypt-" version ".el"))
+       (sha256
+        (base32
+         "16i3rlfp3jxlqvndn8idylhmczync3gwmy8a019v29vyr48rnnr0"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.informationelle-selbstbestimmung-im-internet.de/Emacs.html")
+    (synopsis "Automatically encrypt or sign Gnus messages in Emacs")
+    (description
+     "DefaultEncrypt is designed to be used with Gnus in Emacs.  It
+automatically encrypts messages that you send (e.g., email) when public keys
+for all recipients are available, and it protects you from accidentally
+sending un-encrypted messages.  It can also be configured to automatically
+sign messages that you send.  For details and instructions on how to use
+DefaultEncrypt, please refer to the home page or read the comments in the
+source file, @file{jl-encrypt.el}.")
+    (license license:gpl3+)))
+
+(define-public emacs-htmlize
+  (package
+    (name "emacs-htmlize")
+    (version "1.53")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/hniksic/emacs-htmlize/archive/release/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1lzaf9m1qr9dhw4nn53g6wszk2vqw95gpsbrc3y85bams4cn24ga"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/hniksic/emacs-htmlize")
+    (synopsis "Convert buffer text and decorations to HTML")
+    (description "@code{emacs-htmlize} converts the buffer text and
+the associated decorations to HTML.  Output to CSS, inline CSS and
+fonts is supported.")
+    (license license:gpl2+)))
+
+(define-public emacs-xmlgen
+  (package
+    (name "emacs-xmlgen")
+    (version "0.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/philjackson/xmlgen/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0zay490vjby3f7455r0vydmjg7q1gwc78hilpfb0rg4gwz224z8r"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("emacs" "--batch"
+                        "-l" "xmlgen-test.el"
+                        "-f" "ert-run-tests-batch-and-exit")))
+    (home-page "https://github.com/philjackson/xmlgen")
+    (synopsis "S-expression to XML domain specific language (DSL) in
+Emacs Lisp")
+    (description "@code{emacs-xmlgen} provides S-expression to XML
+conversion for Emacs Lisp.")
+    (license license:gpl2+)))
+
+(define-public emacs-cdlatex
+  (package
+    (name "emacs-cdlatex")
+    (version "4.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/cdominik/cdlatex/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0pivapphmykc6vhvpx7hdyl55ls37vc4jcrxpvs4yk7jzcmwa9xp"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-auctex" ,emacs-auctex)))
+    (home-page "https://github.com/cdominik/cdlatex")
+    (synopsis "Fast Emacs input methods for LaTeX environments and
+math")
+    (description "CDLaTeX is an Emacs minor mode supporting fast
+insertion of environment templates and math in LaTeX.  Similar
+commands are also offered as part of the AUCTeX package, but it is not
+the same - CDLaTeX focuses on speediness for inserting LaTeX
+constructs.")
+    (license license:gpl3+)))
+
+(define-public emacs-cnfonts
+  (package
+    (name "emacs-cnfonts")
+    (version "0.9.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/tumashu/cnfonts/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1l6cgcvc6md1zq97ccczankpyi0k4vjx6apflny6kjq3p33lyhf4"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/tumashu/cnfonts")
+    (synopsis "Emacs Chinese fonts setup tool")
+    (description "cnfonts is a Chinese fonts setup tool, allowing for easy
+configuration of Chinese fonts.")
+    (license license:gpl2+)))
+
+(define-public emacs-php-mode
+  (package
+    (name "emacs-php-mode")
+    (version "20171225.342")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://melpa.org/packages/php-mode-"
+                    version ".tar"))
+              (sha256
+               (base32
+                "1zz682f34v4wsm2dyj1gnrnvsrqdq1cy7j8p6cvc398w2fziyg3q"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ejmr/php-mode")
+    (synopsis "Major mode for editing PHP code")
+    (description "@code{php-mode} is a major mode for editing PHP source
+code.  It's an extension of C mode; thus it inherits all C mode's navigation
+functionality.  But it colors according to the PHP grammar and indents
+according to the PEAR coding guidelines.  It also includes a couple handy
+IDE-type features such as documentation search and a source and class
+browser.")
+    (license license:gpl3+)))
+
+(define-public emacs-pos-tip
+  (package
+    (name "emacs-pos-tip")
+    (version "0.4.6")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/pitkali/pos-tip/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "12jqfy26vjk7lq0aa8yn8zqj8c85fkvx7y9prj0pcn4wqiz2ad2r"))))
+    (build-system emacs-build-system)
+    ;; The following functions and variables needed by emacs-pos-tip are
+    ;; not included in emacs-minimal:
+    ;; x-display-pixel-width, x-display-pixel-height, x-show-tip
+    (arguments `(#:emacs ,emacs))
+    (home-page "https://github.com/pitkali/pos-tip")
+    (synopsis "Show tooltip at point")
+    (description "The standard library tooltip.el provides a function for
+displaying a tooltip at the mouse position.  However, locating a tooltip at an
+arbitrary buffer position in a window is not easy.  Pos-tip provides such a
+function to be used by other frontend programs.")
+    (license license:gpl2+)))
+
+(define-public emacs-pyim-basedict
+  (package
+    (name "emacs-pyim-basedict")
+    (version "0.3.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/tumashu/pyim-basedict/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0nfgxviavkgrpyfsw60xsws4fk51fcmgl8fp6zf4ibqjjbp53n3n"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/tumashu/pyim-basedict")
+    (synopsis "Input method dictionary of pyim")
+    (description "Pyim-basedict is the default pinyin input method dictionary,
+containing words from the rime project.")
+    (license license:gpl2+)))
+
+(define-public emacs-pyim
+  (package
+    (name "emacs-pyim")
+    (version "1.8")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/tumashu/pyim")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "16rma4cv7xgky0g3x4an27v30jdi6i1sqw43cl99zhkqvp43l3f9"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-async" ,emacs-async)
+       ("emacs-pyim-basedict" ,emacs-pyim-basedict)
+       ("emacs-popup" ,emacs-popup)
+       ("emacs-posframe" ,emacs-posframe)))
+    (home-page "https://github.com/tumashu/pyim")
+    (synopsis "Chinese input method")
+    (description "Chinese input method which supports quanpin, shuangpin, wubi
+and cangjie.")
+    (license license:gpl2+)))
+
+(define-public emacs-posframe
+  (package
+    (name "emacs-posframe")
+    (version "0.4.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://elpa.gnu.org/packages/posframe-" version ".el"))
+       (sha256
+        (base32
+         "1h8vvxvsg41vc1nnglqjs2q0k1yzfsn72skga9s76qa3zxmx6kds"))))
+    (build-system emacs-build-system)
+    ;; emacs-minimal does not include the function font-info
+    (arguments `(#:emacs ,emacs))
+    (home-page "https://github.com/tumashu/posframe")
+    (synopsis "Pop a posframe (a child frame) at point")
+    (description "@code{emacs-posframe} can pop a posframe at point.  A
+posframe is a child frame displayed within its root window's buffer.
+@code{emacs-posframe} is fast and works well with CJK languages.")
+    (license license:gpl3+)))
+
+(define-public emacs-el2org
+  (package
+    (name "emacs-el2org")
+    (version "0.6.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/tumashu/el2org/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0gd3km1swwvg2w0kdi7370f54wgrflxn63gjgssfjc1iyc9sbqwq"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/tumashu/el2org")
+    (synopsis "Convert Emacs-lisp file to org file")
+    (description "El2org is a simple tool, which can convert Emacs-lisp file
+to org file, you can use this tool to write orgify commentary.")
+    (license license:gpl2+)))
+
+(define-public emacs-mustache
+  (package
+    (name "emacs-mustache")
+    (version "0.23")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/Wilfred/mustache.el/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0k9lcgil7kykkv1ylrgwy1g13ldjjmgi2cwmysgyb2vlj3jbwpdj"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-ht" ,emacs-ht)
+       ("emacs-s" ,emacs-s)))
+    (home-page "https://github.com/Wilfred/mustache.el")
+    (synopsis "Mustache templating library for Emacs")
+    (description "Mustache templating library for Emacs, mustache is
+a simple web template system, which is described as a logic-less system
+because it lacks any explicit control flow statements, both looping and
+conditional evaluation can be achieved using section tags processing lists
+and lambdas.")
+    (license license:gpl3+)))
+
+(define-public emacs-org2web
+  (package
+    (name "emacs-org2web")
+    (version "0.9.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/tumashu/org2web/archive/v"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1c0ixcphlhp4c4qdiwq40bc3yp1gp1llp8pxrk4s7ny9n68s52zp"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-el2org" ,emacs-el2org)
+       ("emacs-ht" ,emacs-ht)
+       ("emacs-mustache" ,emacs-mustache)
+       ("emacs-simple-httpd" ,emacs-simple-httpd)))
+    (home-page "https://github.com/tumashu/org2web")
+    (synopsis "Static site generator based on org-mode ")
+    (description "Org2web is a static site generator based on org-mode,
+which code derived from Kelvin H's org-page.")
+    (license license:gpl2+)))
+
+(define-public emacs-xelb
+  (package
+    (name "emacs-xelb")
+    (version "0.16")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/xelb-"
+                                  version ".tar"))
+              (sha256
+               (base32
+                "03wsr1jr7f7zfd80h864rd4makwh4widdnj1kjv2xyjwdgap9rl8"))))
+    (build-system emacs-build-system)
+    ;; The following functions and variables needed by emacs-xelb are
+    ;; not included in emacs-minimal:
+    ;; x-display-screens, x-keysym-table, x-alt-keysym, x-meta-keysym
+    ;; x-hyper-keysym, x-super-keysym, libxml-parse-xml-region
+    ;; x-display-pixel-width, x-display-pixel-height
+    (arguments
+     `(#:emacs ,emacs
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'regenerate-el-files
+           (lambda* (#:key inputs #:allow-other-keys)
+             (invoke "make"
+                     (string-append "PROTO_PATH="
+                                    (assoc-ref inputs "xcb-proto")
+                                    "/share/xcb")
+                     (string-append "EMACS_BIN="
+                                    (assoc-ref inputs "emacs")
+                                    "/bin/emacs -Q")))))))
+    (native-inputs `(("xcb-proto" ,xcb-proto)))
+    (home-page "https://github.com/ch11ng/xelb")
+    (synopsis "X protocol Emacs Lisp binding")
+    (description "@code{emacs-xelb} is a pure Emacs Lisp implementation of the
+X11 protocol based on the XML description files from the XCB project.  It
+features an object-oriented API and permits a certain degree of concurrency.
+It should enable you to implement low-level X11 applications.")
+    (license license:gpl3+)))
+
+(define-public emacs-exwm
+  (package
+    (name "emacs-exwm")
+    (version "0.21")
+    (synopsis "Emacs X window manager")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/exwm-"
+                                  version ".tar"))
+              (sha256
+               (base32
+                "07ng1pgsnc3isfsyzh2gfc7391p9il8lb5xqf1z6yqn20w7k6xzj"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-xelb" ,emacs-xelb)))
+    (inputs
+     `(("xhost" ,xhost)
+       ("dbus" ,dbus)))
+    ;; The following functions and variables needed by emacs-exwm are
+    ;; not included in emacs-minimal:
+    ;; scroll-bar-mode, fringe-mode
+    ;; x-display-pixel-width, x-display-pixel-height
+    (arguments
+     `(#:emacs ,emacs
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'build 'install-xsession
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (xsessions (string-append out "/share/xsessions"))
+                    (bin (string-append out "/bin"))
+                    (exwm-executable (string-append bin "/exwm")))
+               ;; Add a .desktop file to xsessions
+               (mkdir-p xsessions)
+               (mkdir-p bin)
+               (with-output-to-file
+                   (string-append xsessions "/exwm.desktop")
+                 (lambda _
+                   (format #t "[Desktop Entry]~@
+                     Name=~a~@
+                     Comment=~a~@
+                     Exec=~a~@
+                     TryExec=~@*~a~@
+                     Type=Application~%" ,name ,synopsis exwm-executable)))
+               ;; Add a shell wrapper to bin
+               (with-output-to-file exwm-executable
+                 (lambda _
+                   (format #t "#!~a ~@
+                     ~a +SI:localuser:$USER ~@
+                     exec ~a --exit-with-session ~a \"$@\" --eval '~s' ~%"
+                           (string-append (assoc-ref inputs "bash") "/bin/sh")
+                           (string-append (assoc-ref inputs "xhost") "/bin/xhost")
+                           (string-append (assoc-ref inputs "dbus") "/bin/dbus-launch")
+                           (string-append (assoc-ref inputs "emacs") "/bin/emacs")
+                           '(cond
+                             ((file-exists-p "~/.exwm")
+                              (load-file "~/.exwm"))
+                             ((not (featurep 'exwm))
+                              (require 'exwm)
+                              (require 'exwm-config)
+                              (exwm-config-default)
+                              (message (concat "exwm configuration not found. "
+                                               "Falling back to default configuration...")))))))
+               (chmod exwm-executable #o555)
+               #t))))))
+    (home-page "https://github.com/ch11ng/exwm")
+    (description "EXWM is a full-featured tiling X window manager for Emacs
+built on top of XELB.")
+    (license license:gpl3+)))
+
+(define-public emacs-switch-window
+  (package
+    (name "emacs-switch-window")
+    (version "1.6.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/dimitri/switch-window")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0rci96asgamr6qp6nkyr5vwrnslswjxcjd96yccy4aivh0g66yfg"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/dimitri/switch-window")
+    (synopsis "Emacs window switch tool")
+    (description "Switch-window is an emacs window switch tool, which
+offer a visual way to choose a window to switch to, delete, split or
+other operations.")
+    (license license:wtfpl2)))
+
+(define-public emacs-exwm-x
+  (package
+    (name "emacs-exwm-x")
+    (version "1.9.0")
+    (synopsis "Derivative window manager based on EXWM")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/tumashu/exwm-x")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "03l3dl7s1qys1kkh40rm1sfx7axy1b8sf5f6nyksj9ps6d30p5i4"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-exwm" ,emacs-exwm)
+       ("emacs-switch-window" ,emacs-switch-window)
+       ("emacs-ivy" ,emacs-ivy)
+       ("emacs-use-package" ,emacs-use-package)))
+    (inputs
+     `(("xhost" ,xhost)
+       ("dbus" ,dbus)))
+    ;; Need emacs instead of emacs-minimal,
+    ;; for emacs's bin path will be inserted into bin/exwm-x file.
+    (arguments
+     `(#:emacs ,emacs
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'build 'install-xsession
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (xsessions (string-append out "/share/xsessions"))
+                    (bin (string-append out "/bin"))
+                    (exwm-executable (string-append bin "/exwm-x")))
+               ;; Add a .desktop file to xsessions
+               (mkdir-p xsessions)
+               (mkdir-p bin)
+               (with-output-to-file
+                   (string-append xsessions "/exwm-x.desktop")
+                 (lambda _
+                   (format #t "[Desktop Entry]~@
+                     Name=~a~@
+                     Comment=~a~@
+                     Exec=~a~@
+                     TryExec=~@*~a~@
+                     Type=Application~%" ,name ,synopsis exwm-executable)))
+               ;; Add a shell wrapper to bin
+               (with-output-to-file exwm-executable
+                 (lambda _
+                   (format #t "#!~a ~@
+                     ~a +SI:localuser:$USER ~@
+                     exec ~a --exit-with-session ~a \"$@\" --eval '~s' ~%"
+                           (string-append (assoc-ref inputs "bash") "/bin/sh")
+                           (string-append (assoc-ref inputs "xhost") "/bin/xhost")
+                           (string-append (assoc-ref inputs "dbus") "/bin/dbus-launch")
+                           (string-append (assoc-ref inputs "emacs") "/bin/emacs")
+                           '(require 'exwmx-loader))))
+               (chmod exwm-executable #o555)
+               #t))))))
+    (home-page "https://github.com/tumashu/exwm-x")
+    (description "EXWM-X is a derivative window manager based on EXWM, with focus
+on mouse-control.")
+    (license license:gpl3+)))
+
+(define-public emacs-gnuplot
+  (package
+    (name "emacs-gnuplot")
+    (version "0.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/bruceravel/gnuplot-mode/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0glzymrn138lwig7p4cj17x4if5jisr6l4g6wcbxisqkqgc1h01i"))))
+    (build-system gnu-build-system)
+    (native-inputs `(("emacs" ,emacs-minimal)))
+    (arguments
+     (let ((elisp-dir (string-append "/share/emacs/site-lisp/guix.d"
+                                     "/gnuplot-" version)))
+       `(#:modules ((guix build gnu-build-system)
+                    (guix build utils)
+                    (guix build emacs-utils))
+         #:imported-modules (,@%gnu-build-system-modules
+                             (guix build emacs-utils))
+         #:configure-flags
+         (list (string-append "EMACS=" (assoc-ref %build-inputs "emacs")
+                              "/bin/emacs")
+               (string-append "--with-lispdir=" %output ,elisp-dir))
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'install 'generate-autoloads
+             (lambda* (#:key outputs #:allow-other-keys)
+               (emacs-generate-autoloads
+                "gnuplot"
+                (string-append (assoc-ref outputs "out") ,elisp-dir))
+               #t))))))
+    (home-page "https://github.com/bruceravel/gnuplot-mode")
+    (synopsis "Emacs major mode for interacting with gnuplot")
+    (description "@code{emacs-gnuplot} is an emacs major mode for interacting
+with gnuplot.")
+    (license license:gpl2+)))
+
+(define-public emacs-transpose-frame
+  (package
+    (name "emacs-transpose-frame")
+    (version "0.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri "http://www.emacswiki.org/emacs/download/transpose-frame.el")
+       (file-name (string-append "transpose-frame-" version ".el"))
+       (sha256
+        (base32
+         "1f67yksgw9s6j0033hmqzaxx2a93jm11sd5ys7cc3li5gfh680m4"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/TransposeFrame")
+    (synopsis "Transpose window arrangement in current frame")
+    (description "@code{emacs-transpose-frame} provides some interactive
+functions which allows users to transpose windows arrangement in currently
+selected frame.")
+    (license license:bsd-2)))
+
+(define-public emacs-key-chord
+  (package
+    (name "emacs-key-chord")
+    (version "0.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri "https://www.emacswiki.org/emacs/download/key-chord.el")
+       (file-name (string-append "key-chord-" version ".el"))
+       (sha256
+        (base32
+         "03m44pqggfrd53nh9dvpdjgm0rvca34qxmd30hr33hzprzjambxg"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/key-chord.el")
+    (synopsis "Map pairs of simultaneously pressed keys to Emacs commands")
+    (description "@code{emacs-key-chord} provides @code{key-chord-mode}, a
+mode for binding key chords to commands.  A key chord is defined as two keys
+pressed simultaneously or a single key quickly pressed twice.")
+    (license license:gpl2+)))
+
+(define-public emacs-evil-surround
+  (package
+    (name "emacs-evil-surround")
+    (version "1.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/timcharper/evil-surround/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0p572jgic3q1ia1nz37kclir729ay6i2f4sa7wnaapyxly2lwb3r"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-evil" ,emacs-evil)))
+    (home-page "https://github.com/timcharper/evil-surround")
+    (synopsis "Easily modify surrounding parantheses and quotes")
+    (description "@code{emacs-evil-surround} allows easy deletion, change and
+addition of surrounding pairs, such as parantheses and quotes, in evil mode.")
+    (license license:gpl3+)))
+
+(define-public emacs-evil-commentary
+  (package
+    (name "emacs-evil-commentary")
+    (version "2.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/linktohack/evil-commentary/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1jdya0i921nwskwrzdsj0vrr3m7gm49dy6f6pk9p5nxaarfxk230"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-evil" ,emacs-evil)))
+    (home-page "https://github.com/linktohack/evil-commentary")
+    (synopsis "Comment out code in evil mode")
+    (description "@code{emacs-evil-commentary} adds keybindings to easily
+comment out lines of code in evil mode.  It provides @code{gcc} to comment out
+lines, and @code{gc} to comment out the target of a motion.")
+    (license license:gpl3+)))
+
+;; Tests for emacs-ansi have a circular dependency with ert-runner, and
+;; therefore cannot be run
+(define-public emacs-ansi
+  (package
+    (name "emacs-ansi")
+    (version "0.4.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/rejeep/ansi.el/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "13jj4vbi98j3p17hs99bmy7g21jd5h4v3wpxk4pkvhylm3bfwjw8"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-s" ,emacs-s)))
+    (home-page "https://github.com/rejeep/ansi.el")
+    (synopsis "Convert strings to ANSI")
+    (description "@code{emacs-ansi} defines functions that turns simple
+strings to ANSI strings.  Turning a string into an ANSI string can be to add
+color to a text, add color in the background of a text or adding a style, such
+as bold, underscore or italic.")
+    (license license:gpl3+)))
+
+;; Tests for emacs-commander have a circular dependency with ert-runner, and
+;; therefore cannot be run
+(define-public emacs-commander
+  (package
+    (name "emacs-commander")
+    (version "0.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/rejeep/commander.el/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "196s2i15z7gwxa97l1wkxvjnfmj5n38wwm6d3g4zz15l2vqggc2y"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-f" ,emacs-f)
+       ("emacs-s" ,emacs-s)))
+    (home-page "https://github.com/rejeep/commander.el")
+    (synopsis "Emacs command line parser")
+    (description "@code{emacs-commander} provides command line parsing for
+Emacs.")
+    (license license:gpl3+)))
+
+;; Tests for ert-runner have a circular dependency with ecukes, and therefore
+;; cannot be run
+(define-public emacs-ert-runner
+  (package
+    (name "emacs-ert-runner")
+    (version "0.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/rejeep/ert-runner.el/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1657nck9i96a4xgl8crfqq0s8gflzp21pkkzwg6m3z5npjxklgwp"))))
+    (build-system emacs-build-system)
+    (inputs
+     `(("emacs-ansi" ,emacs-ansi)
+       ("emacs-commander" ,emacs-commander)
+       ("emacs-dash" ,emacs-dash)
+       ("emacs-f" ,emacs-f)
+       ("emacs-s" ,emacs-s)
+       ("emacs-shut-up" ,emacs-shut-up)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'install-executable
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (substitute* "bin/ert-runner"
+                 (("ERT_RUNNER=\"\\$\\(dirname \\$\\(dirname \\$0\\)\\)")
+                  (string-append "ERT_RUNNER=\"" out
+                                 "/share/emacs/site-lisp/guix.d/ert-runner-"
+                                 ,version)))
+               (install-file "bin/ert-runner" (string-append out "/bin"))
+               (wrap-program (string-append out "/bin/ert-runner")
+                 (list "EMACSLOADPATH" ":" 'prefix
+                       (string-split (getenv "EMACSLOADPATH") #\:)))
+               #t))))
+       #:include (cons* "^reporters/.*\\.el$" %default-include)))
+    (home-page "https://github.com/rejeep/ert-runner.el")
+    (synopsis "Opinionated Ert testing workflow")
+    (description "@code{ert-runner} is a tool for Emacs projects tested
+using ERT.  It assumes a certain test structure setup and can therefore make
+running tests easier.")
+    (license license:gpl3+)))
+
+(define-public ert-runner
+  (deprecated-package "ert-runner" emacs-ert-runner))
+
+(define-public emacs-disable-mouse
+  (package
+    (name "emacs-disable-mouse")
+    (version "0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/purcell/disable-mouse/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0haqpq23r1wx04lsqrrg3p5visg9hx5i36dg55ab003wfsrlrzbc"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/purcell/disable-mouse")
+    (synopsis "Disable mouse commands globally")
+    (description
+     "Provides @code{disable-mouse-mode} and @code{global-disable-mouse-mode},
+pair of minor modes which suppress all mouse events by intercepting them and
+running a customisable handler command (@code{ignore} by default). ")
+    (license license:gpl3+)))
+
+(define-public emacs-json-reformat
+  (package
+    (name "emacs-json-reformat")
+    (version "0.0.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/gongo/json-reformat/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "11fbq4scrgr7m0iwnzcrn2g7xvqwm2gf82sa7zy1l0nil7265p28"))
+       (patches (search-patches "emacs-json-reformat-fix-tests.patch"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-undercover" ,emacs-undercover)))
+    (native-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-shut-up" ,emacs-shut-up)
+       ("ert-runner" ,emacs-ert-runner)))
+    (arguments
+     `(#:tests? #t
+       #:test-command '("ert-runner")))
+    (home-page "https://github.com/gongo/json-reformat")
+    (synopsis "Reformatting tool for JSON")
+    (description "@code{json-reformat} provides a reformatting tool for
+@url{http://json.org/, JSON}.")
+    (license license:gpl3+)))
+
+(define-public emacs-json-snatcher
+  (package
+    (name "emacs-json-snatcher")
+    (version "1.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Sterlingg/json-snatcher/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1nfiwsifpdiz0lbrqa77nl0crnfrv5h85ans9b0g5rggnmyshcfb"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/sterlingg/json-snatcher")
+    (synopsis "Grabs the path to JSON values in a JSON file")
+    (description "@code{emacs-json-snatcher} grabs the path to JSON values in
+a @url{http://json.org/, JSON} file.")
+    (license license:gpl3+)))
+
+(define-public emacs-json-mode
+  (package
+    (name "emacs-json-mode")
+    (version "1.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/joshwnj/json-mode/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "06h45p4cn767pk9sqi2zb1c65wy5gyyijqxzpglp80zwxhvajdz5"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-json-reformat" ,emacs-json-reformat)
+       ("emacs-json-snatcher" ,emacs-json-snatcher)))
+    (home-page "https://github.com/joshwnj/json-mode")
+    (synopsis "Major mode for editing JSON files")
+    (description "@code{json-mode} extends the builtin js-mode syntax
+highlighting.")
+    (license license:gpl3+)))
+
+(define-public emacs-restclient
+  (let ((commit "07a3888bb36d0e29608142ebe743b4362b800f40")
+        (revision "1"))                 ;Guix package revision,
+                                        ;upstream doesn't have official releases
+    (package
+      (name "emacs-restclient")
+      (version (string-append revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/pashky/restclient.el.git")
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "00lmjhb5im1kgrp54yipf1h9pshxzgjlg71yf2rq5n973gvb0w0q"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)))
+      (home-page "https://github.com/pashky/restclient.el")
+      (synopsis "Explore and test HTTP REST webservices")
+      (description
+       "This tool allows for testing and exploration of HTTP REST Web services
+from within Emacs.  Restclient runs queries from a plan-text query sheet,
+displays results pretty-printed in XML or JSON with @code{restclient-mode}")
+      (license license:public-domain))))
+
+(define-public emacs-eimp
+  (let ((version "1.4.0")
+        (commit "2e7536fe6d8f7faf1bad7a8ae37faba0162c3b4f")
+        (revision "1"))
+    (package
+      (name "emacs-eimp")
+      (version (git-version version revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/nicferrier/eimp.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "154d57yafxbcf39r89n5j43c86rp2fki3lw3gwy7ww2g6qkclcra"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'configure
+             (lambda* (#:key inputs #:allow-other-keys)
+               (let ((imagemagick (assoc-ref inputs "imagemagick")))
+                 ;; eimp.el is read-only in git.
+                 (chmod "eimp.el" #o644)
+                 (emacs-substitute-variables "eimp.el"
+                   ("eimp-mogrify-program"
+                    (string-append imagemagick "/bin/mogrify"))))
+               #t)))))
+      (inputs
+       `(("imagemagick" ,imagemagick)))
+      (home-page "https://github.com/nicferrier/eimp")
+      (synopsis "Interactive image manipulation utility for Emacs")
+      (description "@code{emacs-eimp} allows interactive image manipulation
+from within Emacs.  It uses the code@{mogrify} utility from ImageMagick to do
+the actual transformations.")
+      (license license:gpl2+))))
+
+(define-public emacs-dired-hacks
+  (let ((commit "eda68006ce73bbf6b9b995bfd70d08bec8cade36")
+        (revision "1"))
+    (package
+      (name "emacs-dired-hacks")
+      (version (string-append "0.0.1-" revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/Fuco1/dired-hacks.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "1w7ssl9zssn5rcha6apf4h8drkd02k4xgvs203bdbqyqp9wz9brx"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)
+         ("emacs-eimp" ,emacs-eimp)
+         ("emacs-f" ,emacs-f)
+         ("emacs-s" ,emacs-s)))
+      (home-page "https://github.com/Fuco1/dired-hacks")
+      (synopsis
+       "Collection of useful dired additions")
+      (description
+       "Collection of Emacs dired mode additions:
+@itemize
+@item dired-avfs
+@item dired-columns
+@item dired-filter
+@item dired-hacks-utils
+@item dired-images
+@item dired-list
+@item dired-narrow
+@item dired-open
+@item dired-rainbow
+@item dired-ranger
+@item dired-subtree
+@item dired-tagsistant
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-dired-sidebar
+  (let ((commit "06bd0d40bab812c61a668129daf29ba359424454")
+        (revision "0"))
+    (package
+      (name "emacs-dired-sidebar")
+      (home-page "https://github.com/jojojames/dired-sidebar")
+      (version (git-version "0.0.1" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "0lvwvq6sl80sha9fq5m4568sg534dhmifyjqw75bqddcbf3by84x"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-dired-subtree" ,emacs-dired-hacks)))
+      (synopsis "Sidebar for Emacs using Dired")
+      (description
+       "This package provides a sidebar for Emacs similar to @code{NeoTree}
+or @code{treemacs}, but leveraging @code{Dired} to do the job of display.")
+      (license license:gpl3+))))
+
+(define-public emacs-which-key
+  (package
+    (name "emacs-which-key")
+    (version "3.3.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/justbur/emacs-which-key/archive/v"
+             version ".tar.gz"))
+       (sha256
+        (base32
+         "1lsj314111cp2hjjwnv3f46ws1za6bm39rgy3l19044xf6a68j5w"))
+       (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("emacs" "--batch"
+                        "-l" "which-key-tests.el"
+                        "-f" "ert-run-tests-batch-and-exit")))
+    (home-page "https://github.com/justbur/emacs-which-key")
+    (synopsis "Display available key bindings in popup")
+    (description
+     "@code{emacs-which-key} is a minor mode for Emacs that displays the key
+bindings following your currently entered incomplete command (a prefix) in a
+popup.  For example, after enabling the minor mode if you enter C-x and wait
+for the default of 1 second, the minibuffer will expand with all of the
+available key bindings that follow C-x (or as many as space allows given your
+settings).")
+    (license license:gpl3+)))
+
+(define-public emacs-ws-butler
+  (package
+    (name "emacs-ws-butler")
+    (version "0.6")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/lewang/ws-butler.git")
+                    (commit "323b651dd70ee40a25accc940b8f80c3a3185205")))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "1a4b0lsmwq84qfx51c5xy4fryhb1ysld4fhgw2vr37izf53379sb"))))
+    (build-system emacs-build-system)
+    (native-inputs
+     `(("ert-runner" ,emacs-ert-runner)))
+    (arguments
+     `(#:tests? #t
+       #:test-command '("ert-runner" "tests")))
+    (home-page "https://github.com/lewang/ws-butler")
+    (synopsis "Trim spaces from end of lines")
+    (description
+     "This Emacs package automatically and unobtrusively trims whitespace
+characters from end of lines.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-edit-latex
+  (package
+    (name "emacs-org-edit-latex")
+    (version "0.8.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/et2010/org-edit-latex/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1y4h6wrs8286h9pbsv4d8fr67a885vz8b2k80qgv5qddipi2i78p"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-auctex" ,emacs-auctex)
+       ;; The version of org in Emacs 25.2 is not sufficient, because the
+       ;; `org-latex-make-preamble' function is required.
+       ("emacs-org" ,emacs-org)))
+    (home-page "https://github.com/et2010/org-edit-latex")
+    (synopsis "Edit a latex fragment just like editing a src block")
+    (description "@code{emacs-org-edit-latex} is an extension for org-mode.
+It lets you edit a latex fragment in a dedicated buffer just like editing a
+src block.")
+    (license license:gpl3+)))
+
+(define-public emacs-emamux
+  (package
+    (name "emacs-emamux")
+    (version "0.14")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/syohex/emacs-emamux/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0wlqg4icy037bj70b0qmhvwvmiwhagpnx6pnxhq6gzy1hvwlilkx"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/syohex/emacs-emamux")
+    (synopsis "Manipulate Tmux from Emacs")
+    (description
+     "@code{emacs-emamux} lets Emacs interact with the @code{tmux} terminal
+multiplexer.")
+    (license license:gpl3+)))
+
+(define-public emacs-rpm-spec-mode
+  (package
+    (name "emacs-rpm-spec-mode")
+    (version "0.16")
+    (source
+     (origin
+       (method url-fetch)
+       ;; URI has the Fedora release number instead of the version
+       ;; number. This will have to updated manually every new release.
+       (uri (string-append
+             "https://src.fedoraproject.org/cgit/rpms"
+             "/emacs-rpm-spec-mode.git/snapshot"
+             "/emacs-rpm-spec-mode-f26.tar.gz"))
+       (sha256
+        (base32
+         "17dz80lhjrc89fj17pysl8slahzrqdkxgcjdk55zls6jizkr6kz3"))))
+    (build-system emacs-build-system)
+    (home-page "http://pkgs.fedoraproject.org/cgit/rpms/emacs-rpm-spec-mode.git")
+    (synopsis "Emacs major mode for editing RPM spec files")
+    (description "@code{emacs-rpm-spec-mode} provides an Emacs major mode for
+editing RPM spec files.")
+    (license license:gpl2+)))
+
+(define-public emacs-git-messenger
+  (package
+    (name "emacs-git-messenger")
+    (version "0.18")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/syohex/emacs-git-messenger/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "17mqki6g0wx46fn7dcbcc2pjxik7vvrcb1j9jzxim8b9psbsbnp9"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-popup" ,emacs-popup)))
+    (arguments
+     `(#:tests? #t
+       #:test-command '("emacs" "--batch" "-l" "test/test.el"
+                        "-f" "ert-run-tests-batch-and-exit")))
+    (home-page "https://github.com/syohex/emacs-git-messenger")
+    (synopsis "Popup commit message at current line")
+    (description "@code{emacs-git-messenger} provides
+@code{git-messenger:popup-message}, a function that when called, will popup
+the last git commit message for the current line.  This uses git-blame
+internally.")
+    (license license:gpl3+)))
+
+(define-public emacs-gitpatch
+  (package
+    (name "emacs-gitpatch")
+    (version "0.5.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/tumashu/gitpatch/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1yj6pmic541lcnscjin300k380qp9xdfprs55xg1q57jrkq6f6k7"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/tumashu/gitpatch")
+    (synopsis "Mail git patch from Emacs")
+    (description "@code{emacs-gitpatch} lets users easily send git patches,
+created by @code{git format-patch}, from @code{magit}, @code{dired} and
+@code{ibuffer} buffers.")
+    (license license:gpl3+)))
+
+(define-public emacs-erc-hl-nicks
+  (package
+    (name "emacs-erc-hl-nicks")
+    (version "1.3.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/leathekd/erc-hl-nicks"
+                           "/archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1a1r2kc3688g8c2ybkpwh88kgmnqhg3h3032g2yn4zr9m0n3vpkr"))))
+    (build-system emacs-build-system)
+    (synopsis "Nickname highlighting for Emacs ERC")
+    (description "@code{erc-hl-nicks} highlights nicknames in ERC, an IRC
+client for Emacs.  The main features are:
+@itemize
+@item Auto-colorizes nicknames without having to specify colors
+@item Ignores certain characters that IRC clients add to nicknames to avoid
+duplicates (nickname, nickname’, nickname\", etc.)
+@item Attempts to produce colors with a sufficient amount of contrast between
+the nick color and the background color
+@end itemize\n")
+    (home-page "https://github.com/leathekd/erc-hl-nicks")
+    (license license:gpl3+)))
+
+(define-public emacs-engine-mode
+  (package
+    (name "emacs-engine-mode")
+    (version "2.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/hrs/engine-mode/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1vm4p7pcp1vnwwxvps1bhm7i7hkabqqxl898knxf2hqvxys76684"))))
+    (build-system emacs-build-system)
+    (synopsis "Minor mode for defining and querying search engines")
+    (description "@code{engine-mode} is a global minor mode for Emacs.  It
+enables you to easily define search engines, bind them to keybindings, and
+query them from the comfort of your editor.")
+    (home-page "https://github.com/hrs/engine-mode")
+    (license license:gpl3+)))
+
+(define-public emacs-prop-menu
+  (package
+    (name "emacs-prop-menu")
+    (version "0.1.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://stable.melpa.org/packages/prop-menu-"
+             version ".el"))
+       (sha256
+        (base32
+         "01bk4sjafzz7gqrkv9jg0pa85qr34vbk3q8ga2b0m61bndywzgpr"))))
+    (build-system emacs-build-system)
+    (home-page
+     "https://github.com/david-christiansen/prop-menu-el")
+    (synopsis
+     "Create and display a context menu based on text and overlay properties")
+    (description
+     "This is a library for computing context menus based on text
+properties and overlays.  The intended use is to have tools that
+annotate source code and others that use these annotations, without
+requiring a direct coupling between them, but maintaining
+discoverability.
+
+Major modes that wish to use this library should first define an
+appropriate value for @code{prop-menu-item-functions}.  Then, they should
+bind @code{prop-menu-by-completing-read} to an appropriate
+key.  Optionally, a mouse pop-up can be added by binding
+@code{prop-menu-show-menu} to a mouse event.")
+    (license license:gpl3+)))
+
+(define-public emacs-idris-mode
+  (package
+    (name "emacs-idris-mode")
+    (version "0.9.19")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://stable.melpa.org/packages/idris-mode-"
+             version ".tar"))
+       (sha256
+        (base32
+         "02r1qqsxi6qk7q4cj6a6pygbj856dcw9vcmhfh0ib92j41v77q6y"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-prop-menu" ,emacs-prop-menu)))
+    (home-page
+     "https://github.com/idris-hackers/idris-mode")
+    (synopsis "Major mode for editing Idris code")
+    (description
+     "This is an Emacs mode for editing Idris code.  It requires the latest
+version of Idris, and some features may rely on the latest Git version of
+Idris.")
+    (license license:gpl3+)))
+
+(define-public emacs-browse-at-remote
+  (package
+    (name "emacs-browse-at-remote")
+    (version "0.10.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/rmuslimov/browse-at-remote/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0ymslsp6i1naw25zckv25bf4aaq6qwkbkn95qyzlwg869l802686"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-f" ,emacs-f)
+       ("emacs-s" ,emacs-s)))
+    (native-inputs
+     `(("ert-runner" ,emacs-ert-runner)))
+    (arguments
+     `(#:tests? #t
+       #:test-command '("ert-runner")))
+    (home-page "https://github.com/rmuslimov/browse-at-remote")
+    (synopsis "Open github/gitlab/bitbucket/stash page from Emacs")
+    (description
+     "This Emacs package allows you to open a target page on
+github/gitlab (or bitbucket) by calling @code{browse-at-remote} command.
+It supports dired buffers and opens them in tree mode at destination.")
+    (license license:gpl3+)))
+
+(define-public emacs-tiny
+  (package
+    (name "emacs-tiny")
+    (version "0.2.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://elpa.gnu.org/packages/tiny-" version ".tar"))
+       (sha256
+        (base32
+         "1cr73a8gba549ja55x0c2s554f3zywf69zbnd7v82jz5q1k9wd2v"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/abo-abo/tiny")
+    (synopsis "Quickly generate linear ranges in Emacs")
+    (description
+     "The main command of the @code{tiny} extension for Emacs is @code{tiny-expand}.
+It is meant to quickly generate linear ranges, e.g. 5, 6, 7, 8.  Some elisp
+proficiency is an advantage, since you can transform your numeric range with
+an elisp expression.")
+    (license license:gpl3+)))
+
+(define-public emacs-emojify
+  (package
+    (name "emacs-emojify")
+    (version "0.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/iqbalansari/emacs-emojify/"
+                           "releases/download/v" version "/emojify-"
+                           version ".tar"))
+       (sha256
+        (base32
+         "0k84v2d2bkiwcky9fi1yyprgkj46g7wh6pyl9gzmcd7sqv051d5n"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'install-data
+           (lambda* (#:key  outputs #:allow-other-keys)
+             (copy-recursively "data"
+                               (string-append (assoc-ref outputs "out")
+                                              "/share/emacs/site-lisp/guix.d/"
+                                              "emojify-" ,version "/data"))
+             #t)))))
+    (propagated-inputs
+     `(("emacs-ht" ,emacs-ht)))
+    (home-page "https://github.com/iqbalansari/emacs-emojify")
+    (synopsis "Display emojis in Emacs")
+    (description "This package displays emojis in Emacs similar to how Github,
+Slack, and other websites do.  It can display plain ASCII like @code{:)} as
+well as Github-style emojis like @code{:smile:}.  It provides a minor mode
+@code{emojify-mode} to enable the display of emojis in a buffer.")
+    (license license:gpl3+)))
+
+(define-public emacs-websocket
+  (package
+    (name "emacs-websocket")
+    (version "1.10")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/ahyatt/emacs-websocket.git")
+             (commit version)))
+       (file-name (string-append name "-" version "-checkout"))
+       (sha256
+        (base32
+         "1dgrf7na6r6mmkknphzshlbd5fnzisg0qn0j7vfpa38wgsymaq52"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/websocket.html")
+    (synopsis "Emacs WebSocket client and server")
+    (description "This is an Elisp library for WebSocket clients to talk to
+WebSocket servers, and for WebSocket servers to accept connections from
+WebSocket clients.  This library is designed to be used by other library
+writers, to write applications that use WebSockets, and is not useful by
+itself.")
+    (license license:gpl3+)))
+
+(define-public emacs-oauth2
+  (package
+    (name "emacs-oauth2")
+    (version "0.11")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/oauth2-"
+                           version ".el"))
+       (sha256
+        (base32
+         "0ydkc9jazsnbbvfhd47mql52y7k06n3z7r0naqxkwb99j9blqsmp"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/oauth2.html")
+    (synopsis "OAuth 2.0 authorization protocol implementation")
+    (description
+     "This package provides an Elisp implementation of the OAuth 2.0 draft.
+The main entry point is @code{oauth2-auth-and-store} which will return a token
+structure.  This token structure can be then used with
+@code{oauth2-url-retrieve-synchronously} or @code{oauth2-url-retrieve} to
+retrieve any data that need OAuth authentication to be accessed.  If the token
+needs to be refreshed, the code handles it automatically and stores the new
+value of the access token.")
+    (license license:gpl3+)))
+
+(define-public emacs-circe
+  (package
+    (name "emacs-circe")
+    (version "2.10")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/jorgenschaefer/circe.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "10gi14kwxd81blddpvqh95lgmpbfgp0m955naxix3bs3r6a75n4s"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("buttercup" "-L" ".")
+       #:phases
+       (modify-phases %standard-phases
+         ;; The HOME environment variable should be set to an existing
+         ;; directory for the tests to succeed.
+         (add-before 'check 'set-home
+           (lambda _
+             (setenv "HOME" "/tmp")
+             #t)))))
+    (native-inputs
+     `(("emacs-buttercup" ,emacs-buttercup)))
+    ;; In order to securely connect to an IRC server using TLS, Circe requires
+    ;; the GnuTLS binary.
+    (propagated-inputs
+     `(("gnutls" ,gnutls)))
+    (home-page "https://github.com/jorgenschaefer/circe")
+    (synopsis "Client for IRC in Emacs")
+    (description "Circe is a Client for IRC in Emacs.  It integrates well with
+the rest of the editor, using standard Emacs key bindings and indicating
+activity in channels in the status bar so it stays out of your way unless you
+want to use it.")
+    (license license:gpl3+)))
+
+(define-public emacs-tracking
+  (package
+    (inherit emacs-circe)
+    (name "emacs-tracking")
+    (arguments
+     ;; "tracking.el" is a library extracted from Circe package.  It requires
+     ;; "shorten.el".
+     `(#:include '("^shorten.el$" "^tracking.el$")
+       ,@(package-arguments emacs-circe)))
+    (home-page "https://github.com/jorgenschaefer/circe/wiki/Tracking")
+    (synopsis "Buffer tracking library")
+    (description "@code{tracking.el} provides a way for different modes to
+notify the user that a buffer needs attention.  The user then can cycle
+through them using @key{C-c C-SPC}.")
+    (license license:gpl3+)))
+
+(define-public emacs-slack
+  (let ((commit "99a57501629a0329a9ca090c1ea1296462eda02d")
+        (revision "5"))
+    (package
+      (name "emacs-slack")
+      (version (git-version "0.0.2" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/yuya373/emacs-slack.git")
+                      (commit commit)))
+                (file-name (git-file-name name commit))
+                (sha256
+                 (base32
+                  "0jw1diypfw8pmzkq0napgxmfc0gqka7zcccgnw359604lr30k2z2"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-alert" ,emacs-alert)
+         ("emacs-emojify" ,emacs-emojify)
+         ("emacs-helm" ,emacs-helm)
+         ("emacs-request" ,emacs-request)
+         ("emacs-websocket" ,emacs-websocket)
+         ("emacs-oauth2" ,emacs-oauth2)
+         ("emacs-circe" ,emacs-circe)))
+      (home-page "https://github.com/yuya373/emacs-slack")
+      (synopsis "Slack client for Emacs")
+      (description "This package provides an Emacs client for the Slack
+messaging service.")
+      (license license:gpl3+))))
+
+(define-public emacs-bash-completion
+  (package
+   (name "emacs-bash-completion")
+   (version "2.1.0")
+   (source
+    (origin
+      (method url-fetch)
+      (uri (string-append
+            "https://github.com/szermatt/emacs-bash-completion/archive/v"
+            version ".tar.gz"))
+      (file-name (string-append name "-" version ".tar.gz"))
+      (sha256
+       (base32
+        "1z0qck3v3ra6ivacn8n04w1v33a4xn01xx860761q31qzsv3sksq"))))
+   (inputs `(("bash" ,bash)))
+   (build-system emacs-build-system)
+   (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'configure
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((bash (assoc-ref inputs "bash")))
+               (emacs-substitute-variables "bash-completion.el"
+                 ("bash-completion-prog" (string-append bash "/bin/bash"))))
+             #t)))))
+   (home-page "https://github.com/szermatt/emacs-bash-completion")
+   (synopsis "Bash completion for the shell buffer")
+   (description
+    "@code{bash-completion} defines dynamic completion hooks for shell-mode
+and shell-command prompts that are based on Bash completion.")
+   (license license:gpl2+)))
+
+(define-public emacs-easy-kill
+  (package
+    (name "emacs-easy-kill")
+    (version "0.9.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/easy-kill-"
+                                  version ".tar"))
+              (sha256
+               (base32
+                "17nw0mglmg877axwg1d0gs03yc0p04lzmd3pl0nsnqbh3303fnqb"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/leoliu/easy-kill")
+    (synopsis "Kill and mark things easily in Emacs")
+    (description
+     "This package provides commands @code{easy-kill} and @code{easy-mark} to
+let users kill or mark things easily.")
+    (license license:gpl3+)))
+
+(define-public emacs-csv-mode
+  (package
+    (name "emacs-csv-mode")
+    (version "1.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://elpa.gnu.org/packages/csv-mode-"
+                           version ".el"))
+       (sha256
+        (base32
+         "0r4bip0w3h55i8h6sxh06czf294mrhavybz0zypzrjw91m1bi7z6"))))
+    (build-system emacs-build-system)
+    (home-page
+     "http://elpa.gnu.org/packages/csv-mode.html")
+    (synopsis
+     "Major mode for editing comma/char separated values")
+    (description
+     "This Emacs package implements CSV mode, a major mode for editing records
+in a generalized CSV (character-separated values) format.")
+    (license license:gpl3+)))
+
+(define-public emacs-transmission
+  (package
+    (name "emacs-transmission")
+    (version "0.12.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/holomorph/transmission/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1rrlgn96gi1ljfwbwvlyyxbq75xzamlbdhq1bpyadxxmxcvlmk3n"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/holomorph/transmission")
+    (synopsis "Emacs interface to a Transmission session")
+    (description "This package provides an Emacs interface to interact with a
+running session of the Transmission Bittorrent client.
+
+Features:
+
+@itemize
+@item List, add, start/stop, verify, remove torrents.
+@item Set speed limits, ratio limits, bandwidth priorities, trackers.
+@item Navigate to the corresponding file list, torrent info, peer info
+contexts.
+@item Toggle downloading and set priorities for individual files.
+@end itemize\n")
+    (license license:gpl3+)))
+
+(define-public emacs-polymode
+  (package
+    (name "emacs-polymode")
+    (version "0.1.5")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/vspinu/polymode.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0wwphs54jx48a3ca6x1qaz56j3j9bg4mv8g2akkffrzbdcb8sbc7"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:include (cons* "^modes/.*\\.el$" %default-include)
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'set-emacs-load-path 'add-modes-subdir-to-load-path
+           (lambda _
+             (setenv "EMACSLOADPATH"
+                     (string-append (getenv "EMACSLOADPATH")
+                                    ":" (getcwd) "/modes" ":")))))))
+    (home-page "https://github.com/vspinu/polymode")
+    (synopsis "Framework for multiple Emacs modes based on indirect buffers")
+    (description "Polymode is an Emacs package that offers generic support
+for multiple major modes inside a single Emacs buffer.  It is lightweight,
+object oriented and highly extensible.  Creating a new polymode typically
+takes only a few lines of code.  Polymode also provides extensible facilities
+for external literate programming tools for exporting, weaving and tangling.")
+    (license license:gpl3+)))
+
+(define-public emacs-polymode-ansible
+  (let ((commit "b26094d029e25dc797b94254f797e7807a57e4c8"))
+    (package
+      (name "emacs-polymode-ansible")
+      ;; No upstream version release yet.
+      (version (git-version "0.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://gitlab.com/mavit/poly-ansible")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "055shddqibib3hx2ykwdz910nrqws40cd407mq946l2bf6v87gj6"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-ansible-doc" ,emacs-ansible-doc)
+         ("emacs-jinja2-mode" ,emacs-jinja2-mode)
+         ("emacs-polymode" ,emacs-polymode)
+         ("emacs-yaml-mode" ,emacs-yaml-mode)))
+      (properties '((upstream-name . "poly-ansible")))
+      (home-page "https://gitlab.com/mavit/poly-ansible/")
+      (synopsis "Polymode for Ansible - Jinja2 in YAML")
+      (description
+       "Edit YAML files for Ansible containing embedded Jinja2 templating.")
+      (license license:gpl3+))))
+
+(define-public eless
+  (package
+    (name "eless")
+    (version "0.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/kaushalmodi/eless/archive/"
+                    "v" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0gjnnhgw5xs1w3qfnkvwa2nv44gnxr8pkhx3c7qig45p8nh1461h"))))
+    (build-system trivial-build-system)
+    (inputs
+     `(("bash" ,bash)))
+    (native-inputs
+     `(("tar" ,tar)
+       ("gzip" ,gzip)))
+    (arguments
+     `(#:modules ((guix build utils))
+       #:builder
+       (begin
+         (use-modules (guix build utils))
+         (setenv "PATH" (string-append
+                         (assoc-ref %build-inputs "tar") "/bin" ":"
+                         (assoc-ref %build-inputs "gzip") "/bin"))
+         (invoke "tar" "xvf" (assoc-ref %build-inputs "source"))
+         (chdir (string-append "eless" "-" ,version))
+         (substitute* "eless" (("/usr/bin/env bash")
+                               (string-append (assoc-ref %build-inputs "bash")
+                                              "/bin/bash")))
+         (install-file "eless" (string-append %output "/bin"))
+         (install-file "doc/eless.info" (string-append %output "/share/info"))
+         #t)))
+    (home-page "https://github.com/kaushalmodi/eless")
+    (synopsis "Use Emacs as a paginator")
+    (description "@code{eless} provides a combination of Bash script
+and a minimal Emacs view-mode.
+
+Feautures:
+
+@itemize
+@item Independent of a user’s Emacs config.
+@item Customizable via the @code{(locate-user-emacs-file \"elesscfg\")} config.
+@item Not require an Emacs server to be already running.
+@item Syntax highlighting.
+@item Org-mode file rendering.
+@item @code{man} page viewer.
+@item Info viewer.
+@item Dired, wdired, (batch edit symbolic links).
+@item Colored diffs, git diff, git log, ls with auto ANSI detection.
+@item Filter log files lines matching a regexp.
+@item Auto-revert log files similar to @code{tail -f}.
+@item Quickly change frame and font sizes.
+@end itemize\n")
+    (license license:expat)))
+
+(define-public emacs-evil-matchit
+  (package
+    (name "emacs-evil-matchit")
+    (version "2.2.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/redguardtoo/evil-matchit/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1yp9sl6542317mn1060ri90zyf6bs6qylagndhqy02p368q31rhi"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-evil" ,emacs-evil)))
+    (home-page "https://github.com/redguardtoo/evil-matchit")
+    (synopsis "Vim matchit ported into Emacs")
+    (description
+     "@code{evil-matchit} is a minor mode for jumping between matching tags in
+evil mode using @kbd{%}.  It is a port of @code{matchit} for Vim.")
+    (license license:gpl3+)))
+
+(define-public emacs-evil-smartparens
+  (package
+    (name "emacs-evil-smartparens")
+    (version "0.4.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/expez/evil-smartparens/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1bwzdd3054d407d5j4m3njsbvmc9r8zzp33m32pj3b3irxrl68q0"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-evil" ,emacs-evil)
+       ("emacs-smartparens" ,emacs-smartparens)))
+    (home-page "https://github.com/expez/evil-smartparens")
+    (synopsis "Emacs Evil integration for Smartparens")
+    (description "@code{emacs-evil-smartparens} is an Emacs minor mode which
+makes Evil play nice with Smartparens.  Evil is an Emacs minor mode that
+emulates Vim features and provides Vim-like key bindings.")
+    (license license:gpl3+)))
+
+(define-public emacs-evil-quickscope
+  (package
+    (name "emacs-evil-quickscope")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/blorbx/evil-quickscope/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1r26a412mmar7vbf89zcifswiwpdg30mjzj32xdyqss57aqi83ma"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-evil" ,emacs-evil)))
+    (arguments
+     `(#:tests? #t
+       #:test-command '("emacs" "--batch"
+                        "-l" "evil-quickscope-tests.el"
+                        "-f" "ert-run-tests-batch-and-exit")))
+    (home-page "https://github.com/blorbx/evil-quickscope")
+    (synopsis "Target highlighting for emacs evil-mode f,F,t and T commands")
+    (description "@code{emacs-evil-quickscope} highlights targets for Evil
+mode’s f,F,t,T keys, allowing for quick navigation within a line.  It is a
+port of quick-scope for Vim.  Evil is an Emacs minor mode that emulates Vim
+features and provides Vim-like key bindings.")
+    (license license:gpl3+)))
+
+(define-public emacs-bongo
+  (package
+    (name "emacs-bongo")
+    (version "1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/dbrock/bongo/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1pcsyyrvj7djjjwpaswd1i782hvqvlvs39cy9ns0k795si6xd64d"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/dbrock/bongo")
+    (synopsis "Media player for Emacs")
+    (description
+     "This package provides a flexible media player for Emacs.  @code{Bongo}
+supports multiple backends such as @code{vlc}, @code{mpg123},
+@code{ogg123}, @code{speexdec}, @code{timidity}, @code{mikmod} and
+@code{afplay}.")
+    (license license:gpl2+)))
+
+(define-public emacs-groovy-modes
+  (package
+    (name "emacs-groovy-modes")
+    (version "2.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/Groovy-Emacs-Modes/groovy-emacs-modes"
+                    "/archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "15j0hnkx9nppjzda5cqsxxz5f3bq9hc4xfyjcdypzqiypcvmpa39"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-s" ,emacs-s)))
+    (home-page "https://github.com/Groovy-Emacs-Modes/groovy-emacs-modes")
+    (synopsis "Groovy related modes for Emacs")
+    (description
+     "This package provides @code{groovy-mode} for syntax highlighing in
+Groovy source files, REPL integration with run-groovy and Grails project
+navigation with the grails mode.")
+    (license license:gpl3+)))
+
+(define-public groovy-emacs-modes
+  (deprecated-package "groovy-emacs-modes" emacs-groovy-modes))
+
+(define-public emacs-org-tree-slide
+  (let ((commit "dff8f1a4a64c8dd0a1fde0b0131e2fe186747134")
+        (revision "0"))
+    (package
+      (name "emacs-org-tree-slide")
+      (version (git-version "0.1" revision commit))
+      (home-page "https://github.com/takaxp/org-tree-slide")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "153bg0x7ypla11pq51jmsgzfjklwwnrq56xgpbfhk1j16xwz9hyf"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (synopsis "Presentation tool for org-mode")
+      (description
+       "Org-tree-slide provides a slideshow mode to view org-mode files.  Use
+@code{org-tree-slide-mode} to enter the slideshow mode, and then @kbd{C->} and
+@kbd{C-<} to jump to the next and previous slide.")
+      (license license:gpl3+))))
+
+(define-public emacs-scratch-el
+  (let ((commit "2cdf2b841ce7a0987093f65b0cc431947549f897")
+        (revision "1"))
+    (package
+      (name "emacs-scratch-el")
+      (version (git-version "1.2" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/ieure/scratch-el.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0wscsndynjmnliajqaz28r1ww81j8wh84zwaaswx51abhwgl0idf"))))
+      (build-system emacs-build-system)
+      (native-inputs
+       `(("texinfo" ,texinfo)))
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-after 'install 'install-doc
+             (lambda* (#:key outputs #:allow-other-keys)
+               (unless (invoke "makeinfo" "scratch.texi")
+                 (error "makeinfo failed"))
+               (install-file "scratch.info"
+                             (string-append (assoc-ref outputs "out")
+                                            "/share/info"))
+               #t)))))
+      (home-page "https://github.com/ieure/scratch-el/")
+      (synopsis "Create scratch buffers with the same mode as current buffer")
+      (description "Scratch is an extension to Emacs that enables one to create
+scratch buffers that are in the same mode as the current buffer.  This is
+notably useful when working on code in some language; you may grab code into a
+scratch buffer, and, by virtue of this extension, do so using the Emacs
+formatting rules for that language.")
+      (license license:bsd-2))))
+
+(define-public emacs-kv
+  (package
+    (name "emacs-kv")
+    (version "0.0.19")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/nicferrier/emacs-kv.git")
+             (commit "721148475bce38a70e0b678ba8aa923652e8900e")))
+       (file-name (string-append name "-" version "-checkout"))
+       (sha256
+        (base32
+         "0r0lz2s6gvy04fwnafai668jsf4546h4k6zd6isx5wpk0n33pj5m"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("emacs" "--batch" "-l" "kv-tests.el"
+                        "-f" "ert-run-tests-batch-and-exit")))
+    (home-page "https://github.com/nicferrier/emacs-kv")
+    (synopsis "Key/Value data structures library for Emacs Lisp")
+    (description "@code{emacs-kv} is a collection of tools for dealing with
+key/value data structures such as plists, alists and hash-tables in Emacs
+Lisp.")
+    (license license:gpl3+)))
+
+(define-public emacs-esxml
+  (package
+    (name "emacs-esxml")
+    (version "0.3.4")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/tali713/esxml.git")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "00vv8a75wdklygdyr4km9mc2ismxak69c45jmcny41xl44rp9x8m"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-sources
+           (lambda _
+             ;; See: https://github.com/tali713/esxml/pull/28.
+             (substitute* "css-lite.el"
+               ((";;; main interface")
+                (string-append ";;; main interface\n"
+                               "(require 'cl-lib)"))
+               (("mapcan")
+                "cl-mapcan")
+               (("',\\(cl-mapcan #'process-css-rule rules\\)")
+                "(cl-mapcan #'process-css-rule ',rules)"))
+             (substitute* "esxml-form.el"
+               ((",esxml-form-field-defn")
+                "#'esxml-form-field-defn"))
+             ;; See: https://github.com/tali713/esxml/issues/25
+             (delete-file "esxpath.el")
+             #t)))))
+    (propagated-inputs
+     `(("emacs-kv" ,emacs-kv)))
+    (home-page "https://github.com/tali713/esxml/")
+    (synopsis "SXML for EmacsLisp")
+    (description "This is XML/XHTML done with S-Expressions in EmacsLisp.
+Simply, this is the easiest way to write HTML or XML in Lisp.  This library
+uses the native form of XML representation as used by many libraries already
+included within Emacs.  See @code{esxml-to-xml} for a concise description of
+the format.")
+    (license license:gpl3+)))
+
+(define-public emacs-nov-el
+  (package
+    (name "emacs-nov-el")
+    (version "0.2.6")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/wasamasa/nov.el.git")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "188h5gzn1zf443g0b7q5bpmvvpr6ds5h8aci8vxc92py56rhyrvc"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'embed-path-to-unzip
+           (lambda _
+             (substitute* "nov.el"
+               (("\\(executable-find \"unzip\"\\)")
+                (string-append "\"" (which "unzip") "\"")))
+             #t)))))
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-esxml" ,emacs-esxml)))
+    (inputs
+     `(("unzip" ,unzip)))
+    (home-page "https://github.com/wasamasa/nov.el/")
+    (synopsis "Major mode for reading EPUBs in Emacs")
+    (description "@code{nov.el} provides a major mode for reading EPUB
+documents.
+
+Features:
+
+@itemize
+@item Basic navigation (jump to TOC, previous/next chapter)
+@item Remembering and restoring the last read position
+@item Jump to next chapter when scrolling beyond end
+@item Renders EPUB2 (@code{.ncx}) and EPUB3 (@code{<nav>}) TOCs
+@item Hyperlinks to internal and external targets
+@item Supports textual and image documents
+@item View source of document files
+@item Metadata display
+@item Image rescaling
+@end itemize
+")
+    (license license:gpl3+)))
+
+(define-public epipe
+  (package
+    (name "epipe")
+    (version "0.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/cute-jumper/epipe/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "05a036852g4j63k1mhvyfrcsgkl9lczayi7x61570ysw3cli5wp5"))))
+    (build-system trivial-build-system)
+    (inputs
+     `(("bash" ,bash)
+       ("perl" ,perl)))
+    (native-inputs
+     `(("tar" ,tar)
+       ("gzip" ,gzip)))
+    (arguments
+     `(#:modules
+       ((guix build utils))
+       #:builder
+       (begin
+         (use-modules (guix build utils))
+         ;; Extract source
+         (setenv "PATH" (string-append
+                         (assoc-ref %build-inputs "tar") "/bin" ":"
+                         (assoc-ref %build-inputs "gzip") "/bin"))
+         (invoke "tar" "xvf" (assoc-ref %build-inputs "source"))
+         (chdir (string-append ,name "-" ,version))
+         ;; Patch shebangs
+         (substitute* "epipe"
+           (("/usr/bin/env bash")
+            (string-append (assoc-ref %build-inputs "bash") "/bin/bash")))
+         (patch-shebang "epipe.pl"
+                        (list (string-append (assoc-ref %build-inputs "perl")
+                                             "/bin")))
+         ;; Installation
+         (for-each (lambda (file)
+                     (install-file file (string-append %output "/bin")))
+                   '("epipe" "epipe.pl"))
+         #t)))
+    (home-page "https://github.com/cute-jumper/epipe")
+    (synopsis "Pipe to the @code{emacsclient}")
+    (description "@code{epipe} provides an utility to use your editor in
+the pipeline, featuring the support for running @code{emacsclient}.")
+    (license license:gpl3+)))
+
+(define-public emacs-hcl-mode
+  (package
+    (name "emacs-hcl-mode")
+    (version "0.03")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/syohex/emacs-hcl-mode/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0pvw74qpwh0znqzp6syp4wxjqs7dp1hbn5h7xfk97mff9l5d8k6x"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/syohex/emacs-hcl-mode")
+    (synopsis "Major mode for the Hashicorp Configuration Language")
+    (description
+     "@code{emacs-hcl-mode} provides an Emacs major mode for working with
+@acronym{HCL, Hashicorp Configuration Language}.  It provides syntax
+highlighting and indentation support.")
+    (license license:gpl3+)))
+
+(define-public emacs-terraform-mode
+  (package
+    (name "emacs-terraform-mode")
+    (version "0.06")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/syohex/emacs-terraform-mode/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0h9267ifdjmcin4sj8slxydbacx4bqicbvg8pa1qq2l72h9m5381"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-hcl-mode" ,emacs-hcl-mode)))
+    (home-page "https://github.com/syohex/emacs-terraform-mode")
+    (synopsis "Major mode for Terraform")
+    (description
+     "@code{emacs-terraform-mode} provides a major mode for working with
+@uref{https://www.terraform.io/, Terraform} configuration files.  Most of the
+functionality is inherited from @code{hcl-mode}.")
+    (license license:gpl3+)))
+
+(define-public emacs-exec-path-from-shell
+  (package
+    (name "emacs-exec-path-from-shell")
+    (version "1.11")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://stable.melpa.org/packages/exec-path-from-shell-"
+             version ".el"))
+       (sha256
+        (base32
+         "03qjgb81cq1l3j54lvlf98r75vmmgd06mj6qh5wa6mz4xzp4w26r"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/purcell/exec-path-from-shell")
+    (synopsis "Get environment variables such as @var{PATH} from the shell")
+    (description
+     "This library allows the user to set Emacs @var{exec-path} and @var{PATH}
+from the shell @var{PATH}, so that @code{shell-command}, @code{compile} and
+the like work as expected on systems on which Emacs is not guaranteed to
+inherit a login shell's environment variables.  It also allows other
+environment variables to be retrieved from the shell, so that Emacs will see
+the same values you get in a terminal.")
+    (license license:gpl3+)))
+
+(define-public emacs-deft
+  (package
+    (name "emacs-deft")
+    (version "0.8")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://stable.melpa.org/packages/deft-"
+                           version ".el"))
+       (sha256
+        (base32
+         "1vb9cjxskc7c0yyf9pvxy1fzypg1vrcgwnjz0m3hslinsgdyig58"))))
+    (build-system emacs-build-system)
+    (home-page "https://jblevins.org/projects/deft/")
+    (synopsis "Quickly browse, filter, and edit plain text notes")
+    (description
+     "Deft is an Emacs mode for quickly browsing, filtering, and editing
+directories of plain text notes, inspired by Notational Velocity.")
+    (license license:bsd-3)))
+
+(define-public emacs-anzu
+  (package
+    (name "emacs-anzu")
+    (version "0.62")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/syohex/emacs-anzu/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "16cg3897x5znbmgk7sdy0qyd0fbic9dmmz0dchq2vz5z29yhg4cz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/syohex/emacs-anzu")
+    (synopsis "Show number of matches in mode-line while searching")
+    (description
+     "Anzu provides a minor mode which displays \"current match/total
+matches\" in the mode line in various search modes.  This is an Emacs port of
+Anzu.zim.")
+    (license license:gpl3+)))
+
+(define-public emacs-emmet-mode
+  (package
+    (name "emacs-emmet-mode")
+    (version "1.0.8")
+    (source (origin
+	      (method url-fetch)
+	      (uri (string-append "https://github.com/smihica/emmet-mode"
+				  "/archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+	      (sha256
+	       (base32
+		"0g3p22yabfcp98cfv9dgl9il2m2pd53isq2q11vb3s7qyn31f7zj"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/smihica/emmet-mode")
+    (synopsis "Unofficial Emmet's support for Emacs")
+    (description
+     "Unfold CSS-selector-like expressions to markup.  It is intended to be
+used with SGML-like languages: XML, HTML, XHTML, XSL, etc.")
+    (license license:gpl3+)))
+
+(define-public emacs-ergoemacs-mode
+  (let ((commit "3ce23bba3cb50562693860f87f3528c471d603ba")
+        (revision "1"))
+    (package
+      (name "emacs-ergoemacs-mode")
+      (version (git-version "5.16.10.12" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/ergoemacs/ergoemacs-mode.git")
+               (commit commit)))
+         (sha256
+          (base32
+           "1s3b9bridl78hh1mxmdk9nqlmqhibbaxk0a1cixmsf23s06w8w6l"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-undo-tree" ,emacs-undo-tree)))
+      (home-page "https://ergoemacs.github.io/")
+      (synopsis "Emacs mode based on common modern interface and ergonomics")
+      (description
+       "This package provides an efficient Emacs keybinding set based on
+statistics of command frequency, and supports common shortcuts for open,
+close, copy, cut, paste, undo, redo.")
+      (license license:gpl3+))))
+
+(define-public emacs-password-store
+  (package
+    (name "emacs-password-store")
+    (version "1.7.3")
+    (source (origin
+              (method url-fetch)
+              (uri
+               (string-append "https://git.zx2c4.com/password-store/snapshot/"
+                              "password-store-" version ".tar.xz"))
+              (sha256
+               (base32
+                "1x53k5dn3cdmvy8m4fqdld4hji5n676ksl0ql4armkmsds26av1b"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'extract-el-file
+           (lambda _
+             (copy-file "contrib/emacs/password-store.el" "password-store.el")
+             (delete-file-recursively "contrib")
+             (delete-file-recursively "man")
+             (delete-file-recursively "src")
+             (delete-file-recursively "tests"))))))
+    (propagated-inputs
+     `(("emacs-f" ,emacs-f)
+       ("emacs-s" ,emacs-s)
+       ("emacs-with-editor" ,emacs-with-editor)
+       ("password-store" ,password-store)))
+    (home-page "https://git.zx2c4.com/password-store/tree/contrib/emacs")
+    (synopsis "Password store (pass) support for Emacs")
+    (description
+     "This package provides functions for working with pass (\"the
+standard Unix password manager\").")
+    (license license:gpl2+)))
+
+(define-public emacs-pass
+  (package
+    (name "emacs-pass")
+    (version "1.8")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/NicolasPetton/pass/archive/"
+                    version ".tar.gz"))
+              (sha256
+               (base32
+                "0aiz90gklk0cb8n4v1s3l0mx6pp2b7f4k2c0fjpihwmga13yklwn"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-password-store" ,emacs-password-store)
+       ("emacs-f" ,emacs-f)))
+    (home-page "https://github.com/NicolasPetton/pass")
+    (synopsis "Major mode for @file{password-store.el}")
+    (description "This is a major mode for managing password-store (pass)
+keychains.  The keychain entries are displayed in a directory-like structure
+and can be consulted and modified.")
+    (license license:gpl3+)))
+
+(define-public emacs-evil-anzu
+  (package
+    (name "emacs-evil-anzu")
+    (version "0.03")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/syohex/emacs-evil-anzu"
+                           "/archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "032hh2946z529cizqsg8pm6cpn5qdj8lfk3qskmx6xv3g2ra56ns"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-evil" ,emacs-evil)
+       ("emacs-anzu" ,emacs-anzu)))
+    (home-page "https://github.com/syohex/emacs-evil-anzu")
+    (synopsis "Anzu for evil-mode")
+    (description "@code{anzu} provides a minor mode that displays the current
+match and total match information in the mode-line in various search modes.")
+    (license license:gpl3+)))
+
+(define-public emacs-pg
+  (let ((commit "4f6516ec3946d95dcef49abb6703cc89ecb5183d"))
+    (package
+      (name "emacs-pg")
+      (version (git-version "0.1" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url "https://github.com/cbbrowne/pg.el")
+                                    (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1zh7v4nnpzvbi8yj1ynlqlawk5bmlxi6s80b5f2y7hkdqb5q26k0"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/cbbrowne/pg.el")
+      (synopsis "Emacs Lisp interface for PostgreSQL")
+      (description
+       "This package provides an Emacs Lisp interface for PostgreSQL.")
+      (license license:gpl3+))))
+
+(define-public emacs-cl-generic
+  (package
+    (name "emacs-cl-generic")
+    (version "0.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/cl-generic-"
+                           version ".el"))
+       (sha256
+        (base32
+         "0vb338bhjpsnrf60qgxny4z5rjrnifahnrv9axd4shay89d894zq"))))
+    (build-system emacs-build-system)
+    (home-page "https://elpa.gnu.org/packages/seq.html")
+    (synopsis
+     "Forward @code{cl-generic} compatibility for Emacs before version 25")
+    (description "This package provides a subset of the features of the
+@code{cl-generic} package introduced in Emacs-25, for use on previous
+@code{emacsen}.")
+    (license license:gpl3+)))
+
+(define-public emacs-finalize
+  (package
+  (name "emacs-finalize")
+  (version "2.0.0")
+  (source
+    (origin
+      (method url-fetch)
+      (uri (string-append "https://github.com/skeeto/elisp-finalize/archive/"
+                          version ".tar.gz"))
+      (file-name (string-append name "-" version ".tar.gz"))
+      (sha256
+        (base32
+         "077fycy3i5f0kjw5z3rhf4kld5lbk2idz690nkwhkz04vppk4q4x"))))
+  (build-system emacs-build-system)
+  (propagated-inputs
+    `(("emacs-cl-generic" ,emacs-cl-generic)))
+  (home-page "https://github.com/skeeto/elisp-finalize")
+  (synopsis "Finalizers for Emacs Lisp")
+  (description
+    "This package will allows to immediately run a callback (a finalizer)
+after its registered lisp object has been garbage collected.  This allows for
+extra resources, such as buffers and processes, to be cleaned up after the
+object has been freed.")
+  (license license:unlicense)))
+
+(define-public emacs-emacsql
+  (package
+    (name "emacs-emacsql")
+    (version "3.0.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/skeeto/emacsql.git")
+                    (commit (string-append version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1c84gxr1majqj4b59wgdy3lzm3ap66w9qsrnkx8hdbk9895ak81g"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:modules ((guix build emacs-build-system)
+                  (guix build utils)
+                  (guix build emacs-utils)
+                  (srfi srfi-26))
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'build) ;‘build-emacsql-sqlite’ compiles ‘*.el’ files.
+         (add-before 'install 'patch-elisp-shell-shebangs
+           (lambda _
+             (substitute* (find-files "." "\\.el")
+               (("/bin/sh") (which "sh")))
+             #t))
+         (add-after 'patch-elisp-shell-shebangs 'setenv-shell
+           (lambda _
+             (setenv "SHELL" "sh")))
+         (add-after 'setenv-shell 'build-emacsql-sqlite
+           (lambda _
+             (invoke "make" "binary" "CC=gcc")))
+         (add-after 'build-emacsql-sqlite 'install-emacsql-sqlite
+           ;; This build phase installs emacs-emacsql binary.
+           (lambda* (#:key outputs #:allow-other-keys)
+             (install-file "sqlite/emacsql-sqlite"
+                           (string-append (assoc-ref outputs "out")
+                                          "/bin"))
+             #t))
+         (add-after 'install-emacsql-sqlite 'patch-emacsql-sqlite.el
+           ;; This build phase removes interactive prompts
+           ;; and makes sure Emacs look for binaries in the right places.
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((file "emacsql-sqlite.el"))
+               (chmod file #o644)
+               (emacs-substitute-sexps file
+                 ;; Make sure Emacs looks for ‘GCC’ binary in the right place.
+                 ("(executable-find" (which "gcc"))
+                 ;; Make sure Emacs looks for ‘emacsql-sqlite’ binary
+                 ;; in the right place.
+                 ("(defvar emacsql-sqlite-executable"
+                  (string-append (assoc-ref outputs "out")
+                                 "/bin/emacsql-sqlite"))))))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out")))
+               (install-file "sqlite/emacsql-sqlite"
+                             (string-append out "/bin"))
+               (for-each (cut install-file <>
+                              (string-append out "/share/emacs/site-lisp/guix.d/"
+                                             "emacsql" "-" ,version))
+                         (find-files "." "\\.elc*$")))
+             #t)))))
+    (inputs
+     `(("emacs-minimal" ,emacs-minimal)
+       ("mariadb" ,mariadb)
+       ("postgresql" ,postgresql)))
+    (propagated-inputs
+     `(("emacs-finalize" ,emacs-finalize)
+       ("emacs-pg" ,emacs-pg)))
+    (home-page "https://github.com/skeeto/emacsql")
+    (synopsis "Emacs high-level SQL database front-end")
+    (description "Any readable Lisp value can be stored as a value in EmacSQL,
+including numbers, strings, symbols, lists, vectors, and closures.  EmacSQL
+has no concept of @code{TEXT} values; it's all just Lisp objects.  The Lisp
+object @code{nil} corresponds 1:1 with @code{NULL} in the database.")
+    (license license:gpl3+)))
+
+(define-public emacs-closql
+  (package
+    (name "emacs-closql")
+    (version "1.0.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/emacscollective/closql.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1xhpfjjkjqfc1k2rj77cscclz5r7gpvv3hi202x178vdcpipjwar"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-emacsql" ,emacs-emacsql)))
+    (home-page "https://github.com/emacscollective/closql")
+    (synopsis "Store EIEIO objects using EmacSQL")
+    (description
+     "This package allows to store uniform EIEIO objects in an EmacSQL
+database.  SQLite is used as backend.  This library imposes some restrictions
+on what kind of objects can be stored; it isn't intended to store arbitrary
+objects.  All objects have to share a common superclass and subclasses cannot
+add any additional instance slots.")
+    (license license:gpl3)))
+
+(define-public emacs-epkg
+  ;; The release version is to old for the current database scheme.
+  (let ((commit "432312b9583ed7b88ad9644fd1bf2183765a892e"))
+    (package
+      (name "emacs-epkg")
+      (version (git-version "3.0.0" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacscollective/epkg.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0d882kahn7a0vri7a9r15lvmfx1zn2hsga6jfcc6jv0hqbswlb2k"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-closql" ,emacs-closql)
+         ("emacs-dash" ,emacs-dash)))
+      (home-page "https://emacsmirror.net")
+      (synopsis "Browse the Emacsmirror package database")
+      (description "This package provides access to a local copy of the
+Emacsmirror package database.  It provides low-level functions for querying
+the database and a @file{package.el} user interface for browsing the database.
+Epkg itself is not a package manager.
+
+Getting a local copy:
+
+@example
+git clone https://github.com/emacsmirror/epkgs.git ~/.emacs.d/epkgs
+cd ~/.emacs.d/epkgs
+git submodule init
+git config --global url.https://github.com/.insteadOf git@@github.com:
+git submodule update
+@end example
+
+Some submodule may be missing.  In this case Git will prompt for a GitHub user
+name and password.  To skip it press a @key{Return} key.
+
+You could get a Epkg package list by invoking @code{epkg-list-packages} in
+Emacs.")
+      (license license:gpl3+))))
+
+(define-public emacs-elisp-slime-nav
+  (package
+    (name "emacs-elisp-slime-nav")
+    (version "0.9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/purcell/elisp-slime-nav/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1vq7ym1q47p97gxrv45c9gm96d23xbp237vkmakikj6grngxjfb2"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/purcell/elisp-slime-nav")
+    (synopsis "Make @code{M-.} and @code{M-,} work for elisp like they do in SLIME")
+    (description
+     "This package provides SLIME's convenient @code{M-.}and @code{M-,} navigation
+in @code{emacs-lisp-mode}, together with an elisp equivalent of
+@code{slime-describe-symbol}.")
+    (license license:gpl3+)))
+
+(define-public emacs-dedicated
+  (package
+    (name "emacs-dedicated")
+    (version "1.0.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/emacsorphanage/dedicated/archive/"
+                    version
+                    ".tar.gz"))
+              (sha256
+               (base32
+                "0nhbkp278cvcznb5rp3jp9ii3mjgb79zx8iwfrw7zfk3yg8688ni"))
+              (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/emacsorphanage/dedicated")
+    (synopsis "Emacs minor mode for toggling a windows's \"dedicated\" flag")
+    (description
+     "This simple Emacs minor mode allows you to toggle a window's
+\"dedicated\" flag.  When a window is \"dedicated\", Emacs will not select
+files into that window.  This can be quite handy since many commands will use
+another window to show results (compilation mode, starting info, and so on).
+A dedicated window won't be used for such a purpose.  For details, please read
+the source file.")
+    (license license:gpl2+)))
+
+(define-public emacs-nnreddit
+  (let ((commit "9843f99d01fd8f1eea2fc685965a7c7f4eeb187a")
+        (revision "1"))
+    (package
+      (name "emacs-nnreddit")
+      (version (string-append "0.0.1-" revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/paul-issartel/nnreddit.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "0j4h3bnga640250jdq8bwyja49r41ssrsjd6lba4gzzllqk02nbn"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/paul-issartel/nnreddit")
+      (synopsis "Reddit backend for the Gnus newsreader")
+      (description "@url{https://www.reddit.com} backend for the Gnus
+newsreader.")
+      (license license:gpl3+))))
+
+(define-public emacs-makey
+  (package
+    (name "emacs-makey")
+    (version "0.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/mickeynp/makey/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0kzl4q1wf2zhkx9nrymxa67n99iq0bj7zqhpaz4byksna1hsxfmv"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/mickeynp/makey")
+    (synopsis "Emacs interactive command-line mode")
+    (description
+     "This package provides an Emacs interactive command-line mode.")
+    (license license:gpl3+)))
+
+(define-public emacs-outorg
+  (let ((commit "78b0695121fb974bc4e971eb4ef7f8afd6d89d64"))
+    (package
+      (name "emacs-outorg")
+      (version (git-version "2.0" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/alphapapa/outorg")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "03aclh4m3f7rb821gr9pwvnqkkl91px3qxdcarpf3ypa1x4fxvlj"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/alphapapa/outorg")
+      (synopsis "Org-style comment editing")
+      (description "Outorg is for editing comment-sections of source-code
+files in temporary Org-mode buffers.  It turns conventional
+literate-programming upside-down in that the default mode is the
+programming-mode, and special action has to be taken to switch to the
+text-mode (i.e. Org-mode).")
+      (license license:gpl3+))))
+
+(define-public emacs-outshine
+  (let ((commit "5f1a6b70231d2811c522e4e5e8c89ff461b311d6"))
+    (package
+      (name "emacs-outshine")
+      (version (git-version "2.0" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/alphapapa/outshine.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1l9v1dfhgg7il11ifbhvcvrg3acfjk9sdxlc3lja1k54d7dp60jv"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-outorg" ,emacs-outorg)))
+      (home-page "https://github.com/alphapapa/outshine")
+      (synopsis "Emacs outline with outshine")
+      (description "Outshine attempts to bring the look and feel of
+@code{org-mode} to an Emacs outside of the Org major-mode.  It is an extension
+of @code{outline-minor-mode} (@code{org-mode} itself derives from
+outline-mode), so there is no such thing like an outshine mode, only
+@code{outline-minor-mode} with outshine extensions loaded.")
+      (license license:gpl3+))))
+
+(define-public emacs-parsebib
+  (package
+    (name "emacs-parsebib")
+    (version "2.3.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/joostkremers/parsebib/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0cxagnmc5ab6idmb26axpizhr4sqglkncc59768yavn3p04jyq63"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/joostkremers/parsebib")
+    (synopsis "Library for parsing bib files")
+    (description
+     "This package provides an Emacs library for parsing bib files.")
+    (license license:gpl3+)))
+
+(define-public emacs-biblio
+  (package
+    (name "emacs-biblio")
+    (version "0.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/cpitclaudel/biblio.el/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "109fvivsb4r0rbqljngqrmxqvbnbkqlivczx6brrvlr7ci625lhf"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-seq" ,emacs-seq)
+       ("emacs-dash" ,emacs-dash)
+       ("emacs-let-alist" ,emacs-let-alist)))
+    (home-page "https://github.com/cpitclaudel/biblio.el")
+    (synopsis "Browse and import bibliographic references")
+    (description "This package provides an extensible Emacs package for
+browsing and fetching references.
+
+@file{biblio.el} makes it easy to browse and gather bibliographic references
+and publications from various sources, by keywords or by DOI.  References are
+automatically fetched from well-curated sources, and formatted as BibTeX.")
+    (license license:gpl3+)))
+
+(define-public emacs-helm-bibtex
+  (let ((commit "8ed898fb5a68f18e9bb9973832a5c1f8abcfc463")
+        (revision "1"))
+    (package
+      (name "emacs-helm-bibtex")
+      (version (string-append "2.0.0" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/tmalsburg/helm-bibtex.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "14lyx0vbqr97p3anzrsp7m3q0kqclyjcdwplpraim403fcklzbnz"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-parsebib" ,emacs-parsebib)
+         ("emacs-s" ,emacs-s)
+         ("emacs-dash" ,emacs-dash)
+         ("emacs-f" ,emacs-f)
+         ("emacs-biblio" ,emacs-biblio)
+         ("emacs-ivy" ,emacs-ivy)))
+      (home-page "https://github.com/tmalsburg/helm-bibtex")
+      (synopsis "Bibliography manager based on Helm")
+      (description "This package provides bibliography manager for Emacs,
+based on Helm and the bibtex-completion backend.
+
+Key features:
+
+@itemize
+@item Quick access to your bibliography from within Emacs
+@item Powerful search capabilities
+@item Provides instant search results as you type
+@item Tightly integrated with LaTeX authoring, emails, Org mode, etc.
+@item Open the PDFs, URLs, or DOIs associated with an entry
+@item Insert LaTeX cite commands, Ebib links, or Pandoc citations,
+BibTeX entries, or plain text references at point, attach PDFs to emails
+@item Support for note taking
+@item Quick access to online bibliographic databases such as Pubmed,
+arXiv, Google Scholar, Library of Congress, etc.
+@item Imports BibTeX entries from CrossRef and other sources.
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-ewmctrl
+  (let ((commit "3d0217c4d6cdb5c308b6cb4293574f470d4faacf"))
+    (package
+      (name "emacs-ewmctrl")
+      (version (git-version "0.0.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/flexibeast/ewmctrl.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0ilwvx0qryv3v6xf0gxqwnfm6pf96gxap8h9g3f6z6lk9ff4n1wi"))))
+      (build-system emacs-build-system)
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'patch-ewmctrl
+             ;; This build phase makes sure ‘ewmctrl’ looks
+             ;; for ‘wmctrl’ in the right place.
+             (lambda _
+               (let ((file "ewmctrl.el"))
+                 (chmod file #o644)
+                 (emacs-substitute-sexps file
+                   ("(defcustom ewmctrl-wmctrl-path" (which "wmctrl")))))))))
+      (inputs
+       `(("wmctrl" ,wmctrl)))
+      (home-page "https://github.com/flexibeast/ewmctrl")
+      (synopsis "Emacs interface to @code{wmctrl}")
+      (description "@code{ewmctrl} provides an Emacs interface to
+@code{wmctrl} command-line window-management program.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-gtags
+  (package
+    (name "emacs-helm-gtags")
+    (version "1.5.6")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/syohex/emacs-helm-gtags/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1a10snhg6nnnan6w9a7mcziy26vxbsr3c35i0gcarnkdp2yqng36"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-helm" ,emacs-helm)))
+    (home-page "https://github.com/syohex/emacs-helm-gtags")
+    (synopsis "Emacs Helm interface to GNU Global")
+    (description
+     "@code{emacs-helm-gtags} provides a Emacs Helm interface to GNU Global.")
+    (license license:gpl3+)))
+
+(define-public emacs-list-utils
+  (package
+    (name "emacs-list-utils")
+    (version "0.4.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/rolandwalker/list-utils/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1xc1xh8c82h5gdjbgpdsdclgwxkxbb7h3x3a2bscpm41g8pnan4p"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/rolandwalker/list-utils")
+    (synopsis "List-manipulation utility functions")
+    (description "This package provides a list manipulation library for Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-move-text
+  (package
+    (name "emacs-move-text")
+    (version "2.0.8")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/emacsfodder/move-text/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1sjfja9r25692pgcldgnjzkapzy970m14jh9l4pajysiqcdk72g0"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/emacsfodder/move-text")
+    (synopsis "Move current line or region with M-up or M-down")
+    (description "This package provide functions to move the current line
+using @kbd{M-up} or @kbd{M-down} if a region is marked, it will move the
+region instead.")
+    (license license:gpl3+)))
+
+(define-public emacs-validate
+  (package
+    (name "emacs-validate")
+    (version "1.0.5")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/Malabarba/validate.el"
+                                  "/archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "125mbd111f1h1baw0z3fzm48y1bvaigljyzvvnqgrn0shxbj0khg"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Malabarba/validate.el")
+    (synopsis "Emacs library for scheme validation")
+    (description "This Emacs library provides two functions that perform
+schema validation.")
+    (license license:gpl3+)))
+
+(define-public emacs-rainbow-blocks
+  (let ((commit "dd435d7bb34ff6f162a5f315df308b90b7e9f842"))
+    (package
+      (name "emacs-rainbow-blocks")
+      (version (git-version "1.0.0" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/istib/rainbow-blocks.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "06yfb3i7wzvqrhkb61zib9xvpb5i00s4frizkzff66im05k0n795"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/istib/rainbow-blocks")
+      (synopsis "Highlight sexp blocks")
+      (description "Rainbow-blocks is an Emacs mode that highlights blocks
+made of parentheses, brackets, and braces according to their depth.  Each
+successive level is highlighted in a different color.  This makes it easy to
+orient yourself in the code, and tell which statements are at a given level.")
+      (license license:gpl3+))))
+
+(define-public emacs-hierarchy
+  (package
+    (name "emacs-hierarchy")
+    (version "0.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/DamienCassou/hierarchy/archive/"
+             "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1a463v5zk6zis2p8cs4mads3iyxh266yahi6j6y0paggfl2yhkc8"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/DamienCassou/hierarchy")
+    (synopsis "Library to create and display hierarchy structures")
+    (description "This package provides an Emacs library to create, query,
+navigate and display hierarchy structures.")
+    (license license:gpl3+)))
+
+(define-public emacs-tree-mode
+  (let ((commit "b06078826d5875d74b0e7b7ac47b0d0917610534")
+        (revision "1"))
+    (package
+      (name "emacs-tree-mode")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacsorphanage/tree-mode.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "13bbdhdmqg4x9yghanhr8fsbsxbnypzxdxgicz31sjjm675kpnix"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/emacsorphanage/tree-mode")
+      (synopsis "Emacs mode to manage tree widgets")
+      (description
+       "This package provides an Emacs library to manage tree widgets.")
+      (license license:gpl3+))))
+
+(define-public emacs-md4rd
+  (let ((commit "c55512c2f7680db2a1e73db6bdf93adecaf40fec")
+        (revision "1"))
+    (package
+      (name "emacs-md4rd")
+      (version (string-append "0.0.2" "-" revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/ahungry/md4rd.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "0mvv1mvsrpkrmikcpfqf2zbawnzgq33j6zjdrlv48mcw57xb2ak9"))))
+      (propagated-inputs
+       `(("emacs-hierarchy" ,emacs-hierarchy)
+         ("emacs-request" ,emacs-request)
+         ("emacs-dash" ,emacs-dash)
+         ("emacs-s" ,emacs-s)
+         ("emacs-tree-mode" ,emacs-tree-mode)))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/ahungry/md4rd")
+      (synopsis "Emacs Mode for Reddit")
+      (description
+       "This package allows to read Reddit from within Emacs interactively.")
+      (license license:gpl3+))))
+
+(define-public emacs-pulseaudio-control
+  (let ((commit "1da372ec79f5d2fb901d1f9f0679fee8848fd011")
+        (revision "2"))
+    (package
+      (name "emacs-pulseaudio-control")
+      (version (git-version "0.0.1" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/flexibeast/pulseaudio-control.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "02xrsms2pjqdk6327midi61i5vg2h9cq5jwaxv43ldm68wl7hi6k"))))
+      (build-system emacs-build-system)
+      (arguments
+       '(#:phases (modify-phases %standard-phases
+                    (add-after 'unpack 'patch-file-name
+                      (lambda* (#:key inputs #:allow-other-keys)
+                        (let ((pulseaudio (assoc-ref inputs "pulseaudio")))
+                          (chmod "pulseaudio-control.el" #o600)
+                          (emacs-substitute-variables "pulseaudio-control.el"
+                            ("pulseaudio-control-pactl-path"
+                             (string-append pulseaudio "/bin/pactl")))
+                          #t))))))
+      (inputs `(("pulseaudio" ,pulseaudio)))
+      (home-page "https://github.com/flexibeast/pulseaudio-control")
+      (synopsis "Control @code{pulseaudio} from Emacs")
+      (description
+       "This package allows to control @code{pulseaudio} from Emacs.")
+      (license license:gpl3+))))
+
+(define-public emacs-datetime
+  (package
+    (name "emacs-datetime")
+    (version "0.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/doublep/datetime/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "12wqpj67rjij2ki7nmw38rz3k2bsq68pk6zswknlcn9qhp1zd9w9"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/doublep/datetime/")
+    (synopsis "Library to work with dates in Emacs")
+    (description "Parsing, formatting, matching and recoding
+timestamps and date-time format strings library for Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-mind-map
+  (let ((commit "9d6e262bedd94daf9de269f4d56de277275677cb")
+        (revision "1"))
+    (package
+      (name "emacs-org-mind-map")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/theodorewiles/org-mind-map.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0jgkkgq7g64zckrmjib0hvz0qy3ynz5vz13qbmlpf096l3bb65wn"))))
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/theodorewiles/org-mind-map")
+      (synopsis "Create Graphviz directed graphs from Org files")
+      (description
+       "This package creates Graphviz directed graphs from Org files.")
+      (license license:gpl3+))))
+
+(define-public emacs-npm-mode
+  (package
+    (name "emacs-npm-mode")
+    (version "0.6.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/mojochao/npm-mode/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1kq1ww22dwf8c2i2b4z2ldbbmnihj65kb7n5vzvwkch9h4hxpqh5"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/mojochao/npm-mode")
+    (synopsis "Minor mode for working with @code{npm} projects")
+    (description
+     "@code{npm-mode} provides a minor mode to work with @code{npm} projects.")
+    (license license:gpl3+)))
+
+(define-public emacs-seq
+  (package
+    (name "emacs-seq")
+    (version "2.20")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://elpa.gnu.org/packages/seq-" version ".tar"))
+       (sha256
+        (base32
+         "0vrpx6nnyjb0gsypknzagimlhvcvi5y1rcdkpxyqr42415zr8d0n"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/seq.html")
+    (synopsis "Sequence manipulation functions")
+    (description "Sequence-manipulation functions that complement basic
+functions provided by @file{subr.el}.")
+    (license license:gpl3+)))
+
+(define-public emacs-itail
+  (let ((commit "6e43c20da03be3b9c6ece93b7dc3495975ec1888")
+        (revision "1"))
+    (package
+      (name "emacs-itail")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/re5et/itail.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "044nzxh1hq41faxw3lix0wy78vfz304pjcaa5a11dqfz7q3gx5cv"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/re5et/itail")
+      (synopsis "Interactive @code{tail} Emacs mode")
+      (description "@code{itail} provides interactive @code{tail} mode
+that allows you to filter the tail with unix pipes and highlight the
+contents of the tailed file.  Works locally or on remote files using
+tramp.")
+      (license license:gpl3+))))
+
+(define-public emacs-loop
+  (package
+    (name "emacs-loop")
+    (version "1.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Wilfred/loop.el/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1z3rhh3zyjabz36410yz0lp4a0qwwj0387as662wvx3z9y54jia9"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Wilfred/loop.el")
+    (synopsis "Imperative loop structures for Emacs")
+    (description "Loop structures familiar to users of other languages.  This
+library adds a selection of popular loop structures as well as break and
+continue.")
+    (license license:gpl3+)))
+
+(define-public emacs-elisp-refs
+  (package
+    (name "emacs-elisp-refs")
+    (version "1.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Wilfred/elisp-refs/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "02nzcn3v14n7mp7q32j5r4wdlpsw3zixzh6cf0cdyarfir6dly3p"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-f" ,emacs-f)
+       ("emacs-list-utils" ,emacs-list-utils)
+       ("emacs-loop" ,emacs-loop)
+       ("emacs-s" ,emacs-s)
+       ("emacs-shut-up" ,emacs-shut-up)))
+    (home-page "https://github.com/Wilfred/elisp-refs")
+    (synopsis "Find callers of elisp functions or macros")
+    (description "Find references to functions, macros or variables.  Unlike a
+dumb text search, @code{elisp-refs} actually parses the code, so it's never
+confused by comments or @code{foo-bar} matching @code{foo}.")
+    (license license:gpl3+)))
+
+(define-public emacs-crux
+  (let ((commit "4f5c8fefd5a6aa52e128c4a0401cc86410d6ac8f")
+        (revision "1"))
+    (package
+      (name "emacs-crux")
+      (version (string-append "0.3.0" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/bbatsov/crux.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1fdxvv25cs01sg6fmvmzxpzvs50i6v8n2jya60lbavxqqhi0sbxd"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/bbatsov/crux")
+      (synopsis "Collection of useful functions for Emacs")
+      (description
+       "@code{crux} provides a collection of useful functions for Emacs.")
+      (license license:gpl3+))))
+
+(define-public emacs-edit-server
+  (package
+    (name "emacs-edit-server")
+    (version "1.13")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/stsquad/emacs_chrome/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1r92kqggslqasza718z4ka883mqfbnibdm43f0j9gaipk0msm2wf"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'chdir-elisp
+           ;; Elisp directory is not in root of the source.
+           (lambda _
+             (chdir "servers"))))))
+    (home-page "https://github.com/stsquad/emacs_chrome")
+    (synopsis "Server that responds to edit requests from Chromium")
+    (description
+     "This package provides an edit server to respond to requests from Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-m-buffer-el
+  (package
+    (name "emacs-m-buffer-el")
+    (version "0.15")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/phillord/m-buffer-el"
+                           "/archive/" "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "17vdcc8q37q9db98jyww1c0ivinmwfcw4l04zccfacalra63a214"))))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-before 'install 'check
+           (lambda* (#:key inputs #:allow-other-keys)
+             (invoke "emacs" "--batch" "-L" "."
+                     "-l" "test/m-buffer-test.el"
+                     "-l" "test/m-buffer-at-test.el"
+                     "-f" "ert-run-tests-batch-and-exit"))))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/phillord/m-buffer-el")
+    (synopsis "List oriented buffer operations for Emacs")
+    (description "@code{m-buffer} provides a set of list-orientated functions
+for operating over the contents of Emacs buffers.")
+    (license license:gpl3+)))
+
+(define-public emacs-let-alist
+  (package
+    (name "emacs-let-alist")
+    (version "1.0.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://elpa.gnu.org/packages/let-alist-" version ".el"))
+       (sha256
+        (base32
+         "0r7b9jni50la1m79kklml11syg8d2fmdlr83pv005sv1wh02jszw"))))
+    (build-system emacs-build-system)
+    (home-page "https://elpa.gnu.org/packages/let-alist.html")
+    (synopsis "Easily let-bind values of an assoc-list by their names")
+    (description "This package offers a single macro, @code{let-alist}.  This
+macro takes a first argument (whose value must be an alist) and a body.")
+    (license license:gpl3+)))
+
+(define-public emacs-esup
+  (let ((commit "a589005a9a888537deef94d6fe38a9b8790c97c7")
+        (revision "1"))
+    (package
+      (name "emacs-esup")
+      (version (string-append "0.6" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/jschaf/esup.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "04lxmd0h7mfjjl0qghrycgff0vcv950j1wqv0dbkr61jxp64n5fv"))))
+      ;; TODO: Add tests
+      (build-system emacs-build-system)
+      (home-page "https://github.com/jschaf/esup")
+      (synopsis "Emacs start up profiler")
+      (description "Benchmark Emacs Startup time without ever leaving
+your Emacs.")
+      (license license:gpl2+))))
+
+(define-public emacs-sourcemap
+  (package
+    (name "emacs-sourcemap")
+    (version "0.03")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/syohex/emacs-sourcemap/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0bmd5l3cx2iyl7vxn84xdhs80b07kpdpfwki28lh5d0kmm5qs6m6"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/syohex/emacs-sourcemap")
+    (synopsis "Sourcemap parser")
+    (description "Sourcemap parser")
+    (license license:gpl3+)))
+
+(define-public emacs-macrostep
+  (let ((commit "424e3734a1ee526a1bd7b5c3cd1d3ef19d184267"))
+    (package
+      (name "emacs-macrostep")
+      (version (git-version "0.9" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/joddie/macrostep.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "1fm40mxdn289cyzgw992223dgrjmwxn4q8svyyxfaxjrpb38jhjz"))))
+      (build-system emacs-build-system)
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-before 'check 'remove-test
+             ;; Fails because of requirement ‘/bin/sh’.
+             (lambda _
+               (let ((file "macrostep-test.el"))
+                 (chmod file #o644)
+                 (emacs-batch-edit-file file
+                   `(progn (progn (goto-char (point-min))
+                                  (re-search-forward
+                                   "(ert-deftest macrostep-expand-c-macros")
+                                  (beginning-of-line)
+                                  (kill-sexp))
+                           (basic-save-buffer))))))
+           (add-before 'install 'check
+             (lambda _
+               (invoke "emacs" "--batch" "-L" "."
+                       "-l" "macrostep-test.el"
+                       "-f" "ert-run-tests-batch-and-exit"))))))
+      (home-page "https://github.com/joddie/macrostep")
+      (synopsis "Interactive macro-expander for Emacs")
+      (description "@code{macrostep} is an Emacs minor mode for interactively
+stepping through the expansion of macros in Emacs Lisp source code.  It lets
+you see exactly what happens at each step of the expansion process by
+pretty-printing the expanded forms inline in the source buffer, which is
+temporarily read-only while macro expansions are visible.  You can expand and
+collapse macro forms one step at a time, and evaluate or instrument the
+expansions for debugging with Edebug as normal (but see “Bugs and known
+limitations”, below).  Single-stepping through the expansion is particularly
+useful for debugging macros that expand into another macro form.  These can be
+difficult to debug with Emacs’ built-in macroexpand, which continues expansion
+until the top-level form is no longer a macro call.")
+      (license license:gpl3+))))
+
+(define-public emacs-parent-mode
+  (package
+    (name "emacs-parent-mode")
+    (version "2.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Fanael/parent-mode/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0gxbl5s1w96v6v55b7aaansgw4sxhzfx9nrsvpk3pfhsibs6yqjd"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Fanael/parent-mode")
+    (synopsis "Get major mode's parent modes")
+    (description "Get major mode's parent modes")
+    (license license:gpl3+)))
+
+(define-public emacs-lacarte
+  (package
+    (name "emacs-lacarte")
+    (version "0.1")
+    (source (origin
+              (method url-fetch)
+              (uri "https://www.emacswiki.org/emacs/download/lacarte.el")
+              (sha256
+               (base32
+                "1sbmk37ljq5j7dsw5c37sbxvlfgdqswh7bi4dknyjzfxlq50f4am"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/lacarte.el")
+    (synopsis "Execute menu items as commands, with completion")
+    (description "Execute menu items as commands, with completion.")
+    (license license:gpl3)))
+
+(define-public emacs-company-lua
+  (let ((commit "0be8122f3adf57ad27953bf4b03545d6298d3da4"))
+    (package
+      (name "emacs-company-lua")
+      (version (git-version "0.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/ptrv/company-lua.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "1d9i165apgmwns7b2fd5wcpjpkah3dyj20v5sb8ynvz6qhhr5r9c"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-company" ,emacs-company)
+         ("emacs-s" ,emacs-s)
+         ("emacs-f" ,emacs-f)
+         ("emacs-lua-mode" ,emacs-lua-mode)))
+      (home-page "https://github.com/ptrv/company-lua")
+      (synopsis "Company backend for Lua")
+      (description
+       "This package provides Company backend for Lua programming language.")
+      (license license:gpl3+))))
+
+(define-public emacs-beginend
+  (package
+    (name "emacs-beginend")
+    (version "2.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/DamienCassou/beginend/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0z4rbwffh9vxfvcrlvym4p73z7gf72q0b5iv33llbpcpbijknnrq"))))
+    ;; TODO: Run tests.
+    (build-system emacs-build-system)
+    (inputs
+     `(("emacs-undercover" ,emacs-undercover))) ; For tests.
+    (home-page "https://github.com/DamienCassou/beginend")
+    (synopsis "Redefine @code{M-<} and @code{M->} for Emacs modes")
+    (description "@code{beginend} redefines @code{M-<} and @code{M->}
+keybindings for Emacs modes so that point moves to meaningful
+locations.  Redefined keys are still accessible by pressing the same
+key again.")
+    (license license:gpl3+)))
+
+(define-public emacs-mbsync
+  (let ((commit "42077e83ae2db778ce0f8e22f8357b40355526b3")
+        (revision "1"))
+    (package
+      (name "emacs-mbsync")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/dimitri/mbsync-el.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0yj93y2mpxlir8x73znlg1slxlv4blm1vjv5h2w3j8lxg8bxvmn6"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/dimitri/mbsync-el")
+      (synopsis "Interface to mbsync for Emacs")
+      (description "This package allows to call the @code{mbsync} from
+within Emacs.")
+      (license license:gpl3+))))
+
+(define-public emacs-ibuffer-projectile
+  (let ((commit "c18ac540ee46cb759fc5df18747f6e8d23563011")
+        (revision "1"))
+    (package
+      (name "emacs-ibuffer-projectile")
+      (version (string-append "0.2" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/purcell/ibuffer-projectile.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1nd26cwwdpnwj0g4w393rd59klpyr6wqrnyr6scmwb5d06bsm44n"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-projectile" ,emacs-projectile)))
+      (home-page "https://github.com/purcell/ibuffer-projectile")
+      (synopsis "Group ibuffer's list by projectile root")
+      (description "Adds functionality to Emacs @code{ibuffer} for
+grouping buffers by their projectile root directory.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-mode-manager
+  (package
+    (name "emacs-helm-mode-manager")
+    (version "1.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/istib/helm-mode-manager/"
+                           "archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0wllj321z16hgrx0ddwzk5wz4mnnx5am7w5nclqclfc5dfdn92wm"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-helm" ,emacs-helm)))
+    (home-page "https://github.com/istib/helm-mode-manager/")
+    (synopsis "Switch and toggle Emacs major and minor modes using Helm")
+    (description "This package provides a Helm interface for toggling Emacs
+major or minor mode.
+
+@itemize
+@item @code{helm-switch-major-mode} list of all major modes
+@item @code{helm-enable-minor-mode} list of all inactive minor modes
+@item @code{helm-disable-minor-mode} list of all ACTIVE minor modes
+@end itemize\n
+
+Hitting @code{RET} enables the mode, @code{C-z} shows the mode
+documentation.")
+    (license license:gpl3+)))
+
+(define-public emacs-hy-mode
+  (package
+    (name "emacs-hy-mode")
+    (version "1.0.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/hylang/hy-mode/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0b4pvbr2hf77bq2vsyfsv653q0dab7qzq85wc7kdziw7687jdf2z"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-s" ,emacs-s)))
+    (home-page "https://github.com/hylang/hy-mode")
+    (synopsis "Major mode for Hylang")
+    (description "This package provides a major mode for Hylang.")
+    (license license:gpl3+)))
+
+(define-public emacs-web-beautify
+  (package
+    (name "emacs-web-beautify")
+    (version "0.3.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/yasuyk/web-beautify/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1j57hwid74id4swkx2g0iljfawx0k9c7qjrwqc0mv657x9p78hcs"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/yasuyk/web-beautify")
+    (synopsis "Format HTML, CSS and JavaScript, JSON")
+    (description "This package provides an Emacs functions to format HTML,
+CSS, JavaScript, JSON.")
+    (license license:gpl3+)))
+
+(define-public emacs-helm-shell-history
+  (let ((commit "110d3c35c52fe4b89b29e79ea4c8626bce7266a1"))
+    (package
+      (name "emacs-helm-shell-history")
+      (version (git-version "0.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/yuutayamada/helm-shell-history.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "18fkjcz69g4dyaxhf9j8svr5x6dhsdnglddwisis8hdn504scpfj"))))
+      (build-system emacs-build-system)
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-before 'check 'patch-helm-shell-history-file
+             (lambda _
+               (let ((file "helm-shell-history.el"))
+                 (chmod file #o644)
+                 (emacs-substitute-sexps file
+                   ("(defvar helm-shell-history-file"
+                    `(expand-file-name "~/.bash_history"))))
+               #t)))))
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)))
+      (home-page "https://github.com/yuutayamada/helm-shell-history")
+      (synopsis "Find shell history with Emacs Helm")
+      (description "This package provides an Emacs Helm interface to search
+throw a shell history.")
+      (license license:gpl3+))))
+
+(define-public emacs-discover-my-major
+  (package
+    (name "emacs-discover-my-major")
+    (version "1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri
+        (string-append "https://github.com/steckerhalter/discover-my-major"
+                       "/archive/" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0nah41f92rrl2l405kpqr6iaks11jyclgl4z7ilfymbr4ifmsiyl"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-makey" ,emacs-makey)))
+    (home-page "https://github.com/steckerhalter/discover-my-major")
+    (synopsis "Discover key bindings for the current Emacs major mode")
+    (description "This package provides allows to discover key bindings and
+their meaning for the current Emacs major-mode.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-ref
+  (let ((commit "8c9b5d7efb9f0c1ad5186b8203bdd017f4249129")
+        (revision "1"))
+    (package
+      (name "emacs-org-ref")
+      (version (string-append "1.1.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/jkitchin/org-ref.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1rxz0bjdsayk0slv23i07d9xhj2m7s4hsc81wc2d1cs52dkr5zmz"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)
+         ("emacs-helm" ,emacs-helm)
+         ("emacs-helm-bibtex" ,emacs-helm-bibtex)
+         ("emacs-ivy" ,emacs-ivy)
+         ("emacs-hydra" ,emacs-hydra)
+         ("emacs-key-chord" ,emacs-key-chord)
+         ("emacs-s" ,emacs-s)
+         ("emacs-f" ,emacs-f)
+         ("emacs-pdf-tools" ,emacs-pdf-tools)))
+      (home-page "https://github.com/jkitchin/org-ref")
+      (synopsis "Citations, cross-references and bibliographies in org-mode")
+      (description
+       "Lisp code to setup bibliography, cite, ref and label org-mode links.
+Also sets up reftex and helm for org-mode citations.  The links are
+clickable and do things that are useful.
+
+The default setup uses helm-bibtex.
+
+You should really read org-ref.org in this package for details.")
+      (license license:gpl3+))))
+
+(define-public emacs-org-reveal
+  (package
+    (name "emacs-org-reveal")
+    ;; There are no proper tag, so we use the latest commit of the stable
+    ;; branch, as does MELPA.
+    (version "20161027.926")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/yjwen/org-reveal.git")
+                    (commit "001567cc12d50ba07612edd1718b86a12e8c2547")))
+              (file-name (string-append name "-" version "-checkout"))
+              (sha256
+               (base32
+                "18rma8smjrskbjyna076zhvx79zs5r5vinb537h8mw13pfxd6cm8"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/yjwen/org-reveal")
+    (synopsis "Org and Reveal.js powered HTML presentation tool")
+    (description "Org-Reveal is a command@{org-mode} extension that allows to
+create beautiful presentations (slides) with 3D effects from simple but
+powerful Org contents.")
+    (license license:gpl3+)))
+
+(define-public emacs-add-hooks
+  (package
+    (name "emacs-add-hooks")
+    (version "3.1.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/nickmccurdy/add-hooks/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "03a28gb3298g7pc2qji9hi44p4d99ljp5mpi9cmg42ldv8fl6549"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/nickmccurdy/add-hooks/")
+    (synopsis "Emacs function for setting multiple hooks")
+    (description "This package provides a @code{add-hooks} function tidies up
+duplicate hook and function names further into a single declarative call.")
+    (license license:gpl3+)))
+
+(define-public emacs-fancy-narrow
+  (package
+    (name "emacs-fancy-narrow")
+    (version "0.9.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Malabarba/fancy-narrow/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0rf2rnzg82pdqch041yyx3f9ddixffkk9s2ydzg8hwy66sg3385n"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Malabarba/fancy-narrow/releases")
+    (synopsis "Imitate @code{narrow-to-region} with more eye candy")
+    (description
+     "Unlike @code{narrow-to-region}, which completely hides text outside
+the narrowed region, this package simply de-emphasizes the text, makes it
+read-only, and makes it unreachable.  This leads to a much more natural
+feeling where the region stays static (instead of being brutally moved to a
+blank slate) and is clearly highlighted with respect to the rest of the
+buffer.")
+    (license license:gpl2+)))
+
+(define-public emacs-know-your-http-well
+  (package
+    (name "emacs-know-your-http-well")
+    (version "0.5.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/for-GET/know-your-http-well/archive/"
+             "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1y3kwz88awcgwaivlswq0q4g2i02762r23lpwg61bfqy5lrjjqnj"))))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'install-json-files
+           (lambda* (#:key outputs #:allow-other-keys)
+             (for-each (lambda (directory)
+                         (copy-recursively directory
+                                           (string-append
+                                            (assoc-ref outputs "out")
+                                            directory)))
+                       '("js" "json"))))
+         (add-after 'unpack 'chdir-elisp
+           ;; Elisp directory is not in root of the source.
+           (lambda _
+             (chdir "emacs"))))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/for-GET/know-your-http-well")
+    (synopsis "Meaning of HTTP headers codes")
+    (description "Meaning of HTTP headers codes.")
+    (license license:gpl3+)))
+
+(define-public emacs-navi-mode
+  (let ((commit "c1d38e8237f4e14af020a0b7d4f118ea198ab674"))
+    (package
+      (name "emacs-navi-mode")
+      (version (git-version "2.0" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/alphapapa/navi.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0jj5spk14hgb7zb1cd2n8whcw4k1kd5zb6llwj96v178yaws7l8k"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-outshine" ,emacs-outshine)
+         ("emacs-outorg" ,emacs-outorg)))
+      (home-page "https://github.com/alphapapa/navi")
+      (synopsis "Emacs major-mode for easy buffer-navigation")
+      (description
+       "This package provides an Emacs major-mode for easy buffer-navigation")
+      (license license:gpl3+))))
+
+(define-public emacs-download-region
+  (let ((commit "eb9e557529a73b4cfc8281c70dd0d95db333fffa")
+        (revision "1"))
+    (package
+      (name "emacs-download-region")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/zk-phi/download-region.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0v52djg39b6k2snizd9x0qc009ws5y0ywqsfwhqgcbs5ymzh7dsc"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/zk-phi/download-region")
+      (synopsis "In buffer download manager for Emacs")
+      (description "@code{download-region} provides in buffer
+downloading manager for Emacs.")
+      (license license:gpl3+))))
+
+(define-public emacs-helpful
+  (package
+    (name "emacs-helpful")
+    (version "0.15")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/Wilfred/helpful/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1xmvhphzb4hbg647dz4lafy6hd19b7bk3lxni6irqrzdsrclhzn6"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-elisp-refs" ,emacs-elisp-refs)))
+    (home-page "https://github.com/Wilfred/helpful")
+    (synopsis "More contextual information in Emacs help")
+    (description "@code{helpful} is an alternative to the built-in Emacs help
+that provides much more contextual information.
+
+@itemize
+@item Show the source code for interactively defined functions (unlike the
+built-in Help).
+@item Fall back to the raw sexp if no source is available.
+@item Show where a function is being called.
+@item Docstrings will Highlight the summary (the first sentence), include
+cross-references, hide superfluous puncuation.
+@item Show you the properties that have been applied to the current
+symbol.  This provides visibility of features like edebug or byte-code
+optimisation.
+@item Provide a separate @code{helpful-command} function to view interactive
+functions.
+@item Display any keybindings that apply to interactive functions.
+@item Trace, disassemble functions from inside Helpful.  This is discoverable
+and doesn't require memorisation of commands.
+@end itemize\n")
+    (license license:gpl3+)))
+
+(define-public emacs-logview
+  (package
+    (name "emacs-logview")
+    (version "0.9")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/doublep/logview/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1vd11ppm46ldqsiwhqgw91p34gbjh1y82r9mxcn9r2gj65nvhxcp"))))
+    (propagated-inputs
+     `(("emacs-datetime" ,emacs-datetime)))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/doublep/logview/")
+    (synopsis "Emacs mode for viewing log files")
+    (description "@code{logview} provides an Emacs mode to view log files.")
+    (license license:gpl3+)))
+
+(define-public emacs-suggest
+  (package
+    (name "emacs-suggest")
+    (version "0.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Wilfred/suggest.el/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1760fm3j19w8xxcawq6s859h86q1rdg69pg9yz48n76kwfk3vlgp"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-loop" ,emacs-loop)
+       ("emacs-dash" ,emacs-dash)
+       ("emacs-s" ,emacs-s)
+       ("emacs-f" ,emacs-f)))
+    (home-page "https://github.com/Wilfred/suggest.el")
+    (synopsis "Suggest Elisp functions that give the output requested")
+    (description "Suggest.el will find functions that give the output
+requested.  It's a great way of exploring list, string and arithmetic
+functions.")
+    (license license:gpl3+)))
+
+(define-public emacs-benchmark-init
+  (package
+    (name "emacs-benchmark-init")
+    (version "1.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/dholm/benchmark-init-el/archive/"
+                    version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0szyqr4nncwz4vd5gww1vz31kf9r2lx25p4d0d09pm35974x53kz"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/dholm/benchmark-init-el")
+    (synopsis "Benchmark Emacs @code{require} and @code{load} calls")
+    (description "@code{benchmark-init} provides a way to keep track of where
+time is being spent during Emacs startup in order to optimize startup time.")
+    (license license:gpl3+)))
+
+(define-public emacs-emms-player-simple-mpv
+  ;; A new mpv backend is included in Emms from 5.0.
+  (deprecated-package "emacs-emms-player-simple-mpv" emacs-emms))
+
+(define-public emacs-magit-org-todos-el
+  (let ((commit "df206287737b9671f2e36ae7b1474ebbe9940d2a"))
+    (package
+      (name "emacs-magit-org-todos-el")
+      (version (git-version "0.1.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/danielma/magit-org-todos.el.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0kdp7k7jnnrkhsg0xh1c3h7iz0vgi120gf5xwl1hxy61avivnxrn"))))
+      (propagated-inputs
+       `(("magit" ,emacs-magit)))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/danielma/magit-org-todos.el")
+      (synopsis "Get todo.org into Emacs Magit status")
+      (description "This package allows you to get @file{todo.org} into your
+magit status.
+
+If you have a @file{todo.org} file with @code{TODO} items in the root of your
+repository, @code{magit-org-todos} will create a section in your Magit status
+buffer with each of your todos.")
+      (license license:gpl3+))))
+
+(define-public emacs-f3
+  (package
+    (name "emacs-f3")
+    (version "0.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/cosmicexplorer/f3/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "06b8i1jvklm5k3k90n65f197l1miq1xlxqkqpbppw4h3rhl4y98h"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-helm" ,emacs-helm)))
+    (home-page "https://github.com/cosmicexplorer/f3")
+    (synopsis "Fantastic File Finder for Emacs")
+    (description
+     "The Fantastic File Finder for Emacs.  Find files fast, using helm.")
+    (license license:gpl3+)))
+
+(define-public emacs-lice-el
+  (let ((commit "4339929927c62bd636f89bb39ea999d18d269250"))
+    (package
+      (name "emacs-lice-el")
+      (version (git-version "0.2" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/buzztaiki/lice-el.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0879z761b7gajkhq176ps745xpdrivch349crransv8fnsc759yb"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/buzztaiki/lice-el")
+      (synopsis "License and header template for Emacs")
+      (description "@code{lice.el} provides following features:
+
+@itemize
+@item License template management.
+@item File header insertion.
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-academic-phrases
+  (let ((commit "0823ed8c24b26c32f909b896a469833ec4d7b656"))
+    (package
+      (name "emacs-academic-phrases")
+      (version (git-version "0.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/nashamri/academic-phrases.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0qfzsq8jh05w4zkr0cvq3i1hdn97bq344vcqjg46sib26x3wpz6r"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)
+         ("emacs-s" ,emacs-s)
+         ("emacs-ht" ,emacs-ht)))
+      (home-page "https://github.com/nashamri/academic-phrases")
+      (synopsis "Bypass that mental block when writing your papers")
+      (description
+       "When writing your academic paper, you might get stuck trying to find
+the right phrase that captures your intention.  This package tries to
+alleviate that problem by presenting you with a list of phrases organized by
+the topic or by the paper section that you are writing.  This package has
+around 600 phrases so far.
+
+Using this package is easy, just call @code{academic-phrases} to get a list of
+phrases organized by topic, or call @code{academic-phrases-by-section} to
+browse the phrases by the paper section and fill-in the blanks if required.")
+      (license license:gpl3+))))
+
+(define-public emacs-auto-yasnippet
+  (let ((commit "d1ccfea87312c6dd8cf8501ab5b71b1d3d44d95b"))
+    (package
+      (name "emacs-auto-yasnippet")
+      (version (git-version "0.3.0" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/abo-abo/auto-yasnippet.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "1i8k2qiyzd5rq0zplk4xb5nfa5mp0ibxbzwqj6c7877waq7244xk"))))
+      (build-system emacs-build-system)
+      (arguments
+       '(#:phases
+         (modify-phases %standard-phases
+           (add-before 'install 'check
+             (lambda _
+               (invoke "emacs" "--batch"
+                       "-l" "auto-yasnippet.el"
+                       "-l" "auto-yasnippet-test.el"
+                       "-f" "ert-run-tests-batch-and-exit"))))))
+      (propagated-inputs
+       `(("emacs-yasnippet" ,emacs-yasnippet)))
+      (home-page "https://github.com/abo-abo/auto-yasnippet/")
+      (synopsis "Quickly create disposable yasnippets")
+      (description "This package provides a hybrid of keyboard macros and
+yasnippet.  You create the snippet on the go, usually to be used just in the
+one place.  It's fast, because you're not leaving the current buffer, and all
+you do is enter the code you'd enter anyway, just placing ~ where you'd like
+yasnippet fields and mirrors to be.")
+      (license license:gpl3+))))
+
+(define-public emacs-highlight-numbers
+  (package
+    (name "emacs-highlight-numbers")
+    (version "0.2.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/Fanael/highlight-numbers/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "030v5p11d4n0581ncv499l1fqrmfziy756q6378x2bv22ixghqqp"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-parent-mode" ,emacs-parent-mode)))
+    (home-page "https://github.com/Fanael/highlight-numbers")
+    (synopsis "Highlight numbers in source code")
+    (description "@code{highlight-numbers-mode} provides a minor mode for
+syntax highlighting of numeric literals in source code.
+
+It s customizable: it's easy to add or redefine what exactly consitutes a
+\"number\" in given major mode.  See @code{highlight-numbers-modelist}.")
+    (license license:gpl3+)))
+
+(define-public emacs-darkroom
+  (package
+    (name "emacs-darkroom")
+    (version "0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://elpa.gnu.org/packages/darkroom-"
+                                  version ".el"))
+              (sha256
+               (base32
+                "0fif8fm1h7x7g16949shfnaik5f5488clsvkf8bi5izpqp3vi6ak"))))
+    (build-system emacs-build-system)
+    (home-page "https://elpa.gnu.org/packages/darkroom.html")
+    (synopsis "Remove visual distractions and focus on writing")
+    (description "@code{darkroom-mode} makes visual distractions disappear.
+The mode-line is temporarily elided, text is enlarged and margins are adjusted
+so that it's centered on the window.
+
+@code{darkroom-tentative-mode} is similar, but it doesn't immediately turn-on
+@code{darkroom-mode}, unless the current buffer lives in the sole window of
+the Emacs frame (i.e. all other windows are deleted).  Whenever the frame is
+split to display more windows and more buffers, the buffer exits
+@code{darkroom-mode}.  Whenever they are deleted, the buffer re-enters
+@code{darkroom-mode}.")
+    (license license:gpl3+)))
+
+(define-public emacs-rsw-elisp
+  (package
+    (name "emacs-rsw-elisp")
+    (version "1.0.5")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/rswgnu/rsw-elisp"
+                                  "/archive/" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "1jnn7xfwl3wxc87v44ccsf1wwp80par3xgcvfb1icd6zchjmlcps"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/rswgnu/rsw-elisp")
+    (synopsis "Improved expressions that interactively evaluate Emacs Lisp")
+    (description "This package improves and replaces the GNU Emacs commands
+that interactively evaluate Emacs Lisp expressions.  The new commands replace
+standard key bindings and are all prefixed with @code{rsw-elisp-}.  They work
+the same way as the old commands when called non-interactively; only the
+interactive behavior should be different.")
+    (license license:gpl3+)))
+
+(define-public emacs-default-text-scale
+  (let ((commit "968e985e219235f3e744d6d967e592acbaf6e0a8")
+        (revision "1"))
+    (package
+      (name "emacs-default-text-scale")
+      (version (string-append "0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/purcell/default-text-scale")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "0zds01c3q5yny6ab1fxfkzzgn1kgl3q23lxxap905f4qd70v922h"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/purcell/default-text-scale")
+      (synopsis "Adjust the font size in all Emacs frames")
+      (description "This package provides commands for increasing or
+decreasing the default font size in all GUI Emacs frames.")
+      (license license:gpl3+))))
+
+(define-public emacs-visual-regexp
+  (package
+    (name "emacs-visual-regexp")
+    (version "1.1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/benma/visual-regexp.el/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1czmhvcivlcdyz7rfm0vd4a3xsgmy4qbvbl6yjxc217wrxqflr92"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/benma/visual-regexp.el/")
+    (synopsis "Regexp command with interactive visual feedback")
+    (description "This package provides an Emacs regexp command with
+interactive visual feedback.")
+    (license license:gpl3+)))
+
+(define-public emacs-faceup
+  (let ((commit "6c92dad56a133e14e7b27831e1bcf9b3a71ff154")
+        (revision "1"))
+    (package
+      (name "emacs-faceup")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/Lindydancer/faceup.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1yzmy7flrhrh0i10bdszx8idx6r8h6czm4vm4q0z6fp5fw94zwrx"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/Lindydancer/faceup")
+      (synopsis "Markup language for faces and font-lock regression testing")
+      (description "Emacs is capable of highlighting buffers based on
+language-specific @code{font-lock} rules.  This package makes it possible to
+perform regression test for packages that provide font-lock rules.")
+      (license license:gpl3+))))
+
+(define-public emacs-racket-mode
+  (let ((commit "b977873e6128f8399432dcd60cc39f6a6f803d9c")
+        (revision "2"))
+    (package
+      (name "emacs-racket-mode")
+      (version (string-append "0.0.2" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/greghendershott/racket-mode")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0vp4bbbplqvmnhjpl6ajrlydmrhqzil56cfbs18m5c5fddx0zlh7"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:include '("\\.el$" "\\.rkt$")))
+      (propagated-inputs
+       `(("emacs-faceup" ,emacs-faceup)
+         ("emacs-s" ,emacs-s)))
+      (home-page "https://github.com/greghendershott/racket-mode")
+      (synopsis "Major mode for Racket language")
+      (description "@code{racket-mode} provides:
+
+@itemize
+@item Focus on Racket (not various Schemes).
+@item Follow DrRacket concepts where applicable.
+@item Thorough font-lock and indent.
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-grep-context
+  (let ((commit "a17c57e66687a54e195e08afe776bdd60cb6c0a7"))
+    (package
+      (name "emacs-grep-context")
+      (version (git-version "0.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/mkcms/grep-context.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1nqfa6kjzjshww4hnwg1c0vcr90bdjihy3kmixq3c3jkvxg99b62"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)))
+      (home-page "https://github.com/nashamri/academic-phrases")
+      (synopsis "Increase context in compilation and grep buffers")
+      (description
+       "This package provides an Emacs package for more context in
+compilation/grep buffers.  Works with @code{wgrep}, @code{ack}, @code{ag},
+@code{ivy}.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-firefox
+  (let ((commit "0ad34b7b5abc485a86cae6920c14de861cbeb085")
+        (revision "1"))
+    (package
+      (name "emacs-helm-firefox")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacs-helm/helm-firefox.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "08mjsi2f9s29fkk35cj1rrparjnkm836qmbfdwdz7y51f9varjbs"))))
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/emacs-helm/helm-firefox")
+      (synopsis "Display firefox bookmarks with Emacs Helm interface")
+      (description "Display firefox bookmarks with Emacs Helm interface")
+      (license license:gpl3+))))
+
+(define-public emacs-interactive-align
+  (package
+    (name "emacs-interactive-align")
+    (version "0.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/mkcms/interactive-align/"
+                           "archive/" "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0sibpgb4lp6yy3pziak8f3hz4b28yj0dqy2nzh51z3d0b63h528m"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/mkcms/interactive-align/")
+    (synopsis "Interactive align-regexp command in Emacs")
+    (description "Interactive align-regexp command in Emacs")
+    (license license:gpl3+)))
+
+(define-public emacs-shift-number
+  (package
+    (name "emacs-shift-number")
+    (version "0.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/alezost/shift-number.el"
+                           "/archive/" "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1g79m0hqn9jgpm565vvh8pdfzndc4vw7xisnh5qysj55qfg8cb1x"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/alezost/shift-number.el")
+    (synopsis "Increase or decrease the number at point")
+    (description "@code{emacs-shift-number} provides commands
+@code{shift-number-up} to increase and @code{shift-number-down} to
+decrease the number at point.")
+    (license license:gpl3+)))
+
+(define-public emacs-highlight-defined
+  (package
+    (name "emacs-highlight-defined")
+    (version "0.1.5")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/Fanael/highlight-defined/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1ryd66989b5byqdw8jmjrjf0c78iiz72wibld750skcnj5h5h506"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Fanael/highlight-defined")
+    (synopsis "Syntax highlighting of known Elisp symbols")
+    (description "Minor mode providing syntax highlighting of known Emacs Lisp
+symbols.  Currently the code distinguishes Lisp functions, built-in functions,
+macros, faces and variables.  To enable call @code{highlight-defined-mode}. ")
+    (license license:gpl3+)))
+
+(define-public emacs-parinfer-mode
+  (package
+    (name "emacs-parinfer-mode")
+    (version "0.4.10")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/DogLooksGood/parinfer-mode/archive/"
+                           "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "06ba9qi59sm9ih9m38fbr8kj4qkvrm58n0c0ngfjz60gnr9x9pcv"))))
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-rainbow-delimiters" ,emacs-rainbow-delimiters)
+       ("emacs-company" ,emacs-company)))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/DogLooksGood/parinfer-mode/")
+    (synopsis "Lisp structure editing mode")
+    (description "@code{parinfer-mode} is a proof-of-concept editor
+mode for Lisp programming languages.  It will infer some changes to
+keep Parens and Indentation inline with one another.")
+    (license license:gpl3+)))
+
+(define-public emacs-helm-eww
+  (let ((commit "9d36acc433bcf689598b1b4d7d47c9aeb84d6b44"))
+    (package
+      (name "emacs-helm-eww")
+      (version (git-version "0.1" "3" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/emacs-helm/helm-eww.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "06gnf84gx6qbhcw1h5jhjnvcdxkdpv0npm53x3pgqybbll5rn5dy"))))
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/emacs-helm/helm-eww/")
+      (synopsis "Helm interface to EWW")
+      (description "This package provides a Helm interface for EWW buffers,
+bookmarks and history.")
+      (license license:gpl3+))))
+
+(define-public emacs-stumpwm-mode
+  (let ((commit "8fbe071d2c6c040794060a354eb377218dc10b35")
+        (revision "1"))
+    (package
+      (name "emacs-stumpwm-mode")
+      (version (string-append "0.0.1-" revision "."
+                              (string-take commit 7)))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/stumpwm/stumpwm-contrib.git")
+                      (commit commit)))
+                (file-name (string-append name "-" version "-checkout"))
+                (sha256
+                 (base32
+                  "1dfwsvz1c8w6j4jp0kzaz78ml3f5dp0a5pvf090kwpbpg176r7iq"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'chdir-elisp
+             ;; Elisp directory is not in root of the source.
+             (lambda _
+               (chdir "util/swm-emacs"))))))
+      (home-page "https://github.com/stumpwm/stumpwm-contrib")
+      (synopsis "Emacs minor-mode for Stumpwm")
+      (description "Emacs minor-mode for Stumpwm")
+      (license license:gpl3+))))
+
+(define-public emacs-irfc
+  (package
+    (name "emacs-irfc")
+    (version "20130824.507")
+    (source
+     (origin
+       (method url-fetch)
+       (uri "https://www.emacswiki.org/emacs/download/irfc.el")
+       (file-name (string-append "irfc-" version ".el"))
+       (sha256
+        (base32
+         "197ybqwbj8qjh2p9pkf5mvqnrkpcgmv8c5s2gvl6msyrabk0mnca"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/download/irfc.el")
+    (synopsis "Interface for IETF RFC document")
+    (description
+     "This package provides an Emacs interface for IETF RFC document.")
+    (license license:gpl3+)))
+
+(define-public emacs-ido-vertical-mode
+  (package
+    (name "emacs-ido-vertical-mode")
+    (version "0.1.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/creichert/ido-vertical-mode.el/archive/"
+             "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0dprdxq8wvqd45dinwj92k0kixr07c8xvspa6i613mjcpxgwjg53"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/creichert/ido-vertical-mode.el")
+    (synopsis "Makes ido-mode display vertically")
+    (description "Makes ido-mode display prospects vertically.")
+    (license license:gpl3+)))
+
+(define-public emacs-wordgen
+  (package
+    (name "emacs-wordgen")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/Fanael/wordgen.el/archive/"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1h2iyixdm49h53pwj9ics9gb9h3g6wa4hainpnjg6mfarf49jkmg"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Fanael/wordgen.el")
+    (synopsis "Random word generator")
+    (description "This package provides functions to generate random words
+using user-provided rules.")
+    (license license:gpl3+)))
+
+(define-public emacs-on-screen
+  (package
+    (name "emacs-on-screen")
+    (version "1.3.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://elpa.gnu.org/packages/on-screen-" version ".el"))
+       (file-name (string-append name "-" version ".el"))
+       (sha256
+        (base32
+         "15d18mjgv1pnwl6kf3pr5w64q1322p1l1qlfvnckglwmzy5sl2qv"))))
+    (build-system emacs-build-system)
+    (home-page
+     "https://github.com/michael-heerdegen/on-screen.el")
+    (synopsis "Guide your eyes while scrolling")
+    (description
+     "Scrolling can be distracting because your eyes may lose
+orientation.  This library implements a minor mode that highlights
+the previously visible buffer part after each scroll.")
+    (license license:gpl3+)))
+
+(define-public emacs-highlight-escape-sequences
+  (let ((commit "08d846a7aa748209d65fecead2b6a766c3e5cb41")
+        (revision "1"))
+    (package
+      (name "emacs-highlight-escape-sequences")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/dgutov/highlight-escape-sequences.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "05mc3w1f8ykf80914a1yddw6j8cmh0h57llm07xh89s53821v2is"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/dgutov/highlight-escape-sequences")
+      (synopsis "Highlight escape sequences in Emacs")
+      (description "@code{highlight-escape-sequences} provides an
+Emacs minor mode to escape sequences in code.")
+      (license license:gpl3+))))
+
+(define-public emacs-dashboard
+  (package
+    (name "emacs-dashboard")
+    (version "1.2.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/rakanalh/emacs-dashboard/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1738lmbgq6gk24hcwic0qjyajr21l5xzhya4pv58dw1bhd6vxv9g"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-page-break-lines" ,emacs-page-break-lines)))
+    (arguments '(#:include '("\\.el$" "\\.txt$" "\\.png$")))
+    (home-page "https://github.com/rakanalh/emacs-dashboard")
+    (synopsis "Startup screen extracted from Spacemacs")
+    (description "This package provides an extensible Emacs dashboard, with
+sections for bookmarks, projectil projects, org-agenda and more. ")
+    (license license:gpl3+)))
+
+(define-public emacs-slime-company
+  (package
+    (name "emacs-slime-company")
+    (version "1.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/anwyn/slime-company/archive/"
+                           "v" version ".tar.gz"))
+       (sha256
+        (base32
+         "1myl79pxj501xfr5qc5a24qddsn2l5iaamg7rf7fpny7mr9v70ar"))
+       (file-name (string-append name "-" version ".tar.gz"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-slime" ,emacs-slime)
+       ("emacs-company" ,emacs-company)))
+    (home-page "https://company-mode.github.io")
+    (synopsis "SLIME completion backend for @code{company-mode}")
+    (description
+     "This is a backend implementation for the completion package
+@code{company-mode} which supports the normal and the fuzzy completion
+modes of SLIME.")
+    (license license:gpl3+)))
+
+(define-public emacs-sml-mode
+  (package
+    (name "emacs-sml-mode")
+    (version "6.8")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://elpa.gnu.org/packages/sml-mode-"
+                           version ".el"))
+       (sha256
+        (base32
+         "105fcrz5qp95f2n3fdm3awr6z58sbrjihjss6qnrg4lz2ggbc328"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/sml-mode.html")
+    (synopsis "Major mode for editing (Standard) ML")
+    (description "SML-MODE is a major Emacs mode for editing Standard ML.
+It provides syntax highlighting and automatic indentation and
+comes with sml-proc which allows interaction with an inferior SML
+interactive loop.")
+    (license license:gpl3+)))
+
+(define-public emacs-eros
+  (let ((commit "a42e45c9b2397156c684330b0fc90ee0eba773f5")
+        (revision "1"))
+    (package
+      (name "emacs-eros")
+      (version (string-append "0.0.1" "-" revision "."
+                              (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/xiongtx/eros.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0whlsq90v13fz69k3wjrwcwb9gkpfxqjd75mg3nrp85j9nwhb5i4"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/xiongtx/eros")
+      (synopsis "Evaluation result overlays")
+      (description "@code{eros} provides evaluation result overlays.")
+      (license license:gpl3+))))
+
+(define-public emacs-stickyfunc-enhance
+  (let ((commit "13bdba51fcd83ccbc3267959d23afc94d458dcb0")
+        (revision "1"))
+    (package
+      (name "emacs-stickyfunc-enhance")
+      (version "0.1")
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/tuhdo/semantic-stickyfunc-enhance.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "16dxjsr5nj20blww4xpd4jzgjprzzh1nwvb810ggdmp9paf4iy0g"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/tuhdo/semantic-stickyfunc-enhance")
+      (synopsis "Enhancement to stock @code{semantic-stickyfunc-mode}")
+      (description
+       "@code{semantic-stickyfunc-mode} shows the function point is currently
+in at the first line of the current buffer.  This is useful when you have a
+very long function that spreads more than a screen, and you don't have to
+scroll up to read the function name and then scroll down to original position.")
+      (license license:gpl3+))))
+
+(define-public emacs-git-auto-commit-mode
+  (package
+    (name "emacs-git-auto-commit-mode")
+    (version "4.4.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/ryuslash/git-auto-commit-mode/archive/"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "04avxmalsl3b7zi2vipfw9rb4wrwysnipsbch96skviql9axk870"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ryuslash/git-auto-commit-mode")
+    (synopsis "Emacs Minor mode to automatically commit and push")
+    (description "@code{git-auto-commit-mode} is an Emacs minor mode that
+tries to commit changes to a file after every save.
+
+When @code{gac-automatically-push-p} is non-nil, it also tries to push to
+the current upstream.")
+    (license license:gpl3+)))
+
+(define-public emacs-company-restclient
+  (package
+    (name "emacs-company-restclient")
+    (version "0.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/iquiw/company-restclient/archive/"
+             "v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "1kr3f0wgqlk7r171bvb2kinv7fanwj2md01wdpx04qkgwcr1as00"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-company" ,emacs-company)
+       ("emacs-know-your-http-well" ,emacs-know-your-http-well)
+       ("emacs-restclient" ,emacs-restclient)))
+    (home-page "https://github.com/iquiw/company-restclient")
+    (synopsis "Company-mode completion back-end for restclient-mode")
+    (description "@code{company-mode} back-end for
+@code{restclient-mode}.
+
+It provides auto-completion for HTTP methods and headers in
+@code{restclient-mode}.  Completion source is given by
+@code{know-your-http-well}.")
+    (license license:gpl3+)))
+
+(define-public emacs-noflet
+  (let ((version "20170629")
+        (revision "1")
+        (commit "7ae84dc3257637af7334101456dafe1759c6b68a"))
+    (package
+      (name "emacs-noflet")
+      (version (git-version version revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/nicferrier/emacs-noflet")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0g70gnmfi8n24jzfci9nrj0n9bn1qig7b8f9f325rin8h7x32ypf"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'require-dash
+             ;; noflet.el uses -map from dash, but (require 'dash) is
+             ;; missing. So, add it.
+             (lambda _
+               (substitute* "noflet.el"
+                 ((";;; Code:") ";;; Code:\n(require 'dash)"))
+               #t)))))
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)))
+      (home-page "https://github.com/nicferrier/emacs-noflet")
+      (synopsis "Locally override functions")
+      (description "@code{emacs-noflet} let's you locally override functions,
+in the manner of @command{flet}, but with access to the original function
+through the symbol: @command{this-fn}.")
+      (license license:gpl3+))))
+
+(define-public emacs-dumb-jump
+  (package
+    (name "emacs-dumb-jump")
+    (version "0.5.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/jacktasia/dumb-jump/archive/v"
+             version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "07n0xjgpxjpf3vp9gxchkjpydyj0zm166930as0kwiwkhjlsirsf"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #f ; FIXME: Tests freeze when run.
+       #:test-command '("ert-runner")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'set-shell
+           (lambda _
+             ;; Setting the SHELL environment variable is required for the
+             ;; tests to find sh.
+             (setenv "SHELL" (which "sh"))
+             #t)))))
+    (native-inputs
+     `(("emacs-el-mock" ,emacs-el-mock)
+       ("emacs-noflet" ,emacs-noflet)
+       ("emacs-undercover" ,emacs-undercover)
+       ("ert-runner" ,emacs-ert-runner)))
+    (propagated-inputs
+     `(("emacs-f" ,emacs-f)
+       ("emacs-popup" ,emacs-popup)))
+    (home-page "https://github.com/jacktasia/dumb-jump")
+    (synopsis "Jump to definition for multiple languages without configuration")
+    (description "Dumb Jump is an Emacs \"jump to definition\" package with
+support for multiple programming languages that favors \"just working\" over
+speed or accuracy.  This means minimal --- and ideally zero --- configuration
+with absolutely no stored indexes (tags) or persistent background processes.
+Dumb Jump performs best with The Silver Searcher @command{ag} or ripgrep
+@command{rg} installed.")
+    (license license:gpl3+)))
+
+(define-public emacs-dts-mode
+  (let ((commit "9ee0854446dcc6c53d2b8d2941051768dba50344")
+        (revision "1"))
+    (package
+      (name "emacs-dts-mode")
+      (version (string-append "0.1.0-" revision "." (string-take commit 7)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/bgamari/dts-mode.git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1k8lljdbc90nd29xrhdrsscxavzdq532wq2mg7ljc94krj7538b1"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/bgamari/dts-mode.git")
+      (synopsis "Emacs minor mode for editing device tree files")
+      (description
+       "This package provides an Emacs minor mode for highlighting
+device tree files.")
+      (license license:gpl3+))))
+
+(define-public emacs-daemons
+  (package
+    (name "emacs-daemons")
+    (version "2.0.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/cbowdon/daemons.el")
+             (commit version)))
+       (file-name (string-append name "-" version "-checkout"))
+       (sha256
+        (base32
+         "00bkzfaw3bqykcks610vk9wlpa2z360xn32bpsrycacwfv29j7g4"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/cbowdon/daemons.el")
+    (synopsis "Emacs UI for managing init system services")
+    (description
+     "This is an Emacs mode to give you a UI for managing init system
+daemons (services) for those getting tired of typing out @code{sudo service
+my_thing reload} all the time.  It offers a consistent UI over different init
+systems.")
+    (license license:gpl3+)))
+
+(define-public emacs-esh-autosuggest
+  (package
+    (name "emacs-esh-autosuggest")
+    (version "2.0.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/dieggsy/esh-autosuggest")
+             (commit version)))
+       (file-name (string-append name "-" version "-checkout"))
+       (sha256
+        (base32
+         "116pdjgpjy9b0psm5kzwkwy7dq8vn0p6dy75dl1zsy2xrjf1iqdw"))))
+    (build-system emacs-build-system)
+    (propagated-inputs `(("emacs-company" ,emacs-company)))
+    (home-page "https://github.com/dieggsy/esh-autosuggest")
+    (synopsis "Fish-like autosuggestions in Eshell")
+    (description
+     "This package assumes you use something other than company for eshell
+completion (e.g. @code{eshell-pcomplete}, @code{completion-at-point},
+@code{helm-esh-pcomplete}).  @code{company-mode} is used solely as a mechanism
+for history autosuggestions.
+
+Unless you're using @code{use-package}'s hook keyword, you can enable the
+autosuggestions with:
+@code{(add-hook 'eshell-mode-hook #'esh-autosuggest-mode)}")
+    (license license:gpl3+)))
+
+(define-public emacs-desktop-environment
+  (package
+    (name "emacs-desktop-environment")
+    (version "0.2.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/DamienCassou/desktop-environment.git")
+             (commit (string-append "v" version))))
+       (file-name (string-append name "-" version "-checkout"))
+       (sha256
+        (base32
+         "1fal3yfmqg10cb53qsf5gsq2gvyz9w16wmlpnpjwjzwnjfn6l73r"))))
+    (build-system emacs-build-system)
+    (home-page "https://gitlab.petton.fr/DamienCassou/desktop-environment")
+    (synopsis "Control your GNU/Linux desktop environment from Emacs")
+    (description
+     "This package helps you control your GNU/Linux desktop from Emacs.
+With @code{desktop-environment}, you can control the brightness and volume as
+well as take screenshots and lock your screen.  The package depends on the
+availability of shell commands to do the hard work for us.  These commands can
+be changed by customizing the appropriate variables.")
+    (license license:gpl3+)))
+
+(define-public emacs-org-caldav
+  (package
+    (name "emacs-org-caldav")
+    (version "20180403")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/dengste/org-caldav/raw/"
+             "8d3492c27a09f437d2d94f2736c56d7652e87aa0"
+             "/org-caldav.el"))
+       (sha256
+        (base32
+         "1fh4gh68ddj0is99z2ccyh97v6psnyda61n2dsadzqhcxn51amlc"))))
+    (build-system emacs-build-system)
+    (propagated-inputs `(("emacs-org" ,emacs-org)))
+    (home-page "https://github.com/dengste/org-caldav")
+    (synopsis
+     "Sync Org files with external calendars via the CalDAV protocol")
+    (description
+     "Synchronize between events in Org-mode files and a CalDAV calendar.
+This code is still alpha.")
+    (license license:gpl3+)))
+
+(define-public emacs-zotxt
+  (package
+    (name "emacs-zotxt")
+    (version "20180518")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/egh/zotxt-emacs/archive/"
+             "23a4a9f74a658222027d53a9a83cd4bcc583ca8b"
+             ".tar.gz"))
+       (sha256
+        (base32
+         "1qlibaciqgsva6fc7vv9krssjq00bi880396jk7llbi3c52q9n1y"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-deferred" ,emacs-deferred)
+       ("emacs-request" ,emacs-request)))
+    (home-page "https://github.com/egh/zotxt-emacs")
+    (synopsis "Integrate Emacs with Zotero")
+    (description "This package provides two integration features between Emacs
+and the Zotero research assistant: Insertion of links to Zotero items into an
+Org-mode file, and citations of Zotero items in Pandoc Markdown files.")
+    (license license:gpl3+)))
+
+(define-public emacs-evil-ediff
+  ;; Evil-Ediff is included in Evil Collection from 20180617.
+  (deprecated-package "emacs-evil-ediff" emacs-evil-collection))
+
+(define-public emacs-evil-magit
+  (let ((commit "dbf5a646a7ce1c35c229dfdc423bd5ecd927a3a8"))
+    (package
+      (name "emacs-evil-magit")
+      (version (git-version "0.4.2" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacs-evil/evil-magit")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0ya0dkviq4pi92ab69a4j674y5r1hc1x3x7r7hlm97ag3a6zfkav"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-evil" ,emacs-evil)
+         ("magit" ,emacs-magit)))
+      (home-page
+       "https://github.com/emacs-evil/evil-magit")
+      (synopsis "Evil-based key bindings for Magit")
+      (description
+       "This Emacs library configures Magit and Evil to play well with each other.
+For some background see @url{https://github.com/magit/evil-magit/issues/1}.
+See the README at @url{https://github.com/justbur/evil-magit} for a table
+describing the key binding changes.")
+      (license license:gpl3+))))
+
+(define-public emacs-evil-mu4e
+  ;; Evil-mu4e is included in Evil Collection from 20180617.
+  (deprecated-package "emacs-evil-mu4e" emacs-evil-collection))
+
+(define-public emacs-evil-multiedit
+  (package
+    (name "emacs-evil-multiedit")
+    (version "1.3.9")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/hlissner/evil-multiedit")
+             (commit (string-append "v" version))))
+       (file-name (string-append name "-" version "-checkout"))
+       (sha256
+        (base32
+         "19h3kqylqzbjv4297wkzzxdmn9yxbg6z4ga4ssrqri90xs7m3rw3"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-evil" ,emacs-evil)
+       ("emacs-iedit" ,emacs-iedit)))
+    (home-page
+     "https://github.com/hlissner/evil-multiedit")
+    (synopsis "Multiple cursors for Evil mode")
+    (description
+     "This plugin was an answer to the lack of proper multiple cursor support
+in Emacs+Evil.  It allows you to select and edit matches interactively,
+integrating @code{iedit-mode} into Evil mode with an attempt at sensible
+defaults.")
+    (license license:gpl3+)))
+
+(define-public emacs-evil-org
+  (let ((commit "b6d652a9163d3430a9e0933a554bdbee5244bbf6"))
+    (package
+      (name "emacs-evil-org")
+      (version (git-version "0.1.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/Somelauw/evil-org-mode")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "176hrw7y7nczffbyhsa167b8rvfacsmcafm2gpkrdjqlrikbmrhl"))))
+      (build-system emacs-build-system)
+      (propagated-inputs `(("emacs-evil" ,emacs-evil)))
+      (home-page
+       "https://github.com/Somelauw/evil-org-mode")
+      (synopsis "Evil keybindings for Org mode")
+      (description
+       "This package adds supplemental Evil mode key-bindings to Emacs
+Org-mode.  It features:
+@itemize
+@item normal, visual and insert mode bindings;
+@item key bindings organised in key themes;
+@item operators like > and < to work on headings;
+@item text objects;
+@item table support;
+@item calendar (date selection) support;
+@item agenda support.
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-fish-completion
+  (let ((commit "bac15fda1392a891070574dfe5d2d50b10831e8b"))
+    (package
+      (name "emacs-fish-completion")
+      (version (git-version "20180616" "1" commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "https://gitlab.com/Ambrevar/emacs-fish-completion/repository/"
+               "archive.tar.gz?ref="
+               commit))
+         (sha256
+          (base32
+           "093qzdrbkl7dhjk16zq8i13kh1phyigkblcfrbgbrxjqd2ndrfdi"))))
+      (build-system emacs-build-system)
+      (inputs `(("fish" ,fish)))
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'configure
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let ((fish (assoc-ref inputs "fish")))
+                 ;; Specify the absolute file names of the various
+                 ;; programs so that everything works out-of-the-box.
+                 (emacs-substitute-variables
+                     "fish-completion.el"
+                   ("fish-completion-command"
+                    (string-append fish "/bin/fish")))))))))
+      (home-page
+       "https://gitlab.com/Ambrevar/emacs-fish-completion")
+      (synopsis "Fish completion for Emacs pcomplete")
+      (description
+       "This package provides completion for the Fish shell to pcomplete (used
+by shell and Eshell).  You can set it up globally with:
+
+@example
+(when (and (executable-find \"fish\")
+           (require 'fish-completion nil t))
+  (global-fish-completion-mode))
+@end example
+
+Alternatively, you can call the @code{fish-completion-mode} manually or in
+shell/Eshell mode hook.
+
+The package @code{emacs-bash-completion} is an optional dependency: if available,
+@code{fish-completion-complete} can be configured to fall back on bash to further
+try completing.  See @code{fish-completion-fallback-on-bash-p}.")
+      (license license:gpl3+))))
+
+(define-public emacs-gif-screencast
+  (let ((commit "12b25442b97b84abae74ecb5190a9d14ff7cfe5a"))
+    (package
+      (name "emacs-gif-screencast")
+      (version (git-version "20180616" "1" commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "https://gitlab.com/Ambrevar/emacs-gif-screencast/"
+               "repository/archive.tar.gz?ref="
+               commit))
+         (sha256
+          (base32
+           "0lc457i78xjkn5idr2aaiadkh76zcsksj84z0qh80a9y775syrgh"))))
+      (build-system emacs-build-system)
+      (inputs
+       `(("scrot" ,scrot)
+         ("imagemagick" ,imagemagick)
+         ("gifsicle" ,gifsicle)))
+     (arguments
+      `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'configure
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let ((scrot (assoc-ref inputs "scrot"))
+                   (imagemagick (assoc-ref inputs "imagemagick"))
+                   (gifsicle (assoc-ref inputs "gifsicle")))
+               ;; Specify the absolute file names of the various
+               ;; programs so that everything works out-of-the-box.
+               (emacs-substitute-variables
+                   "gif-screencast.el"
+                 ("gif-screencast-program"
+                  (string-append scrot "/bin/scrot"))
+                 ("gif-screencast-convert-program"
+                  (string-append imagemagick "/bin/convert"))
+                 ("gif-screencast-cropping-program"
+                  (string-append imagemagick "/bin/mogrify"))
+                 ("gif-screencast-optimize-program"
+                  (string-append imagemagick "/bin/gifsicle")))))))))
+      (home-page
+       "https://gitlab.com/Ambrevar/emacs-gif-screencast")
+      (synopsis "One-frame-per-action GIF recording")
+      (description
+       "Call @code{gif-screencast} to start a recording.
+A screenshot is taken for every user action.  Call
+@code{gif-screencast-stop} (<f9> by default) to finish recording and create
+the GIF result.")
+      (license license:gpl3+))))
+
+(define-public emacs-google-translate
+  (package
+    (name "emacs-google-translate")
+    (version "0.11.16")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/atykhonov/google-translate/"
+                           "archive/v" version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "01n9spj1d0gjfj39x526rl3m9c28wnx9afipmf5s8y77cx3mfwhl"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/atykhonov/google-translate")
+    (synopsis "Emacs interface to Google Translate")
+    (description
+     "This packages provides an Emacs interface to the Google Translate
+on-line service.")
+    (license license:gpl3+)))
+
+(define-public emacs-helm-company
+  (let ((commit "d3fc093a0e833b4dee6561c00d6df3d62aa50f3f"))
+    (package
+      (name "emacs-helm-company")
+      (version (git-version "0.2.3" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/Sodel-the-Vociferous/helm-company")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1ciirsanhajdqm5iwl8k9ywf4jha1wdv4sc4d9kslyrfr9zn4q6k"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-company" ,emacs-company)))
+      (home-page "https://github.com/Sodel-the-Vociferous/helm-company")
+      (synopsis "Helm interface for company-mode")
+      (description
+       "This is a Helm interface to company-mode, a text completion
+framework.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-descbinds
+  (let ((commit "033be73f21778633813264ce1634a6e1ad873d8e"))
+    (package
+      (name "emacs-helm-descbinds")
+      (version (git-version "1.13" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacs-helm/helm-descbinds")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1n89p56qwa243w1c85i5awnaf7piwjsvfi7nmnsrwm33hix5dknk"))))
+      (build-system emacs-build-system)
+      (propagated-inputs `(("emacs-helm" ,emacs-helm)))
+      (home-page "https://github.com/emacs-helm/helm-descbinds")
+      (synopsis "Convenient @code{describe-bindings} with Helm")
+      (description
+       "This package is a replacement of @code{describe-bindings} for Helm.
+@code{describe-bindings} is replaced with @code{helm-descbinds}.  As usual,
+type @code{C-h b}, or any incomplete key sequence plus @code{C-h}, to run
+@code{helm-descbinds}.  The bindings are presented in a similar way as
+@code{describe-bindings} does, but you can use completion to find the command
+you searched for and execute it, or view its documentation.")
+    (license license:gpl3+))))
+
+(define-public emacs-helm-emms
+  (let ((commit "d3f9bdef8ff0d093eaf6e26af50ea905ab53fdec"))
+    (package
+      (name "emacs-helm-emms")
+      (version (git-version "1.3" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacs-helm/helm-emms")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0bdb8xp0yp3gijpa9i2rc17gfzjhzlm92vdzw93i10qpd1xhj4aa"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-emms" ,emacs-emms)))
+      (home-page
+       "https://github.com/emacs-helm/helm-emms")
+      (synopsis "Emms for Helm")
+      (description "Helm interface for Emms to browse all tracks and all folders
+from @code{emms-source-file-default-directory}.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-exwm
+  (let ((commit "56266f261ba3b3d2753b374b50da20eb768c06f5"))
+    (package
+      (name "emacs-helm-exwm")
+      (version (git-version "20180703" "2" commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "https://github.com/emacs-helm/helm-exwm/archive/"
+               commit
+               ".tar.gz"))
+         (sha256
+          (base32
+           "0n7hdiajw5vxl8ha2r9r4cl4i7crza25348825wb6acwhhzijxcj"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-exwm" ,emacs-exwm)))
+      (home-page
+       "https://github.com/emacs-helm/helm-exwm")
+      (synopsis "Helm for EXWM buffers")
+      (description
+       "@code{helm-exwm} runs a Helm session over the list of EXWM buffers.
+@code{helm-exwm-switch} is a convenience X application launcher using Helm to
+switch between the various windows of one or several specific applications.
+See @code{helm-exwm-switch-browser} for an example.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-flycheck
+  (let ((commit "3cf7d3bb194acacc6395f88360588013d92675d6"))
+    (package
+      (name "emacs-helm-flycheck")
+      (version (git-version "0.4" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/yasuyk/helm-flycheck")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1a2yfxhz04klwhcandqvfzysxp6b7bxyxx1xk1x3kds5hif5fkl4"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)
+         ("emacs-flycheck" ,emacs-flycheck)
+         ("emacs-helm" ,emacs-helm)))
+      (home-page "https://github.com/yasuyk/helm-flycheck")
+      (synopsis "Show Flycheck errors with Helm")
+      (description
+       "This integrates Flycheck with Helm.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-ls-git
+  (let ((commit "76654c776a7f6e2e5290645e748aac2a746f7daa"))
+    (package
+      (name "emacs-helm-ls-git")
+      (version (git-version "1.9.1" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/emacs-helm/helm-ls-git")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0vsq1n3xl3ghy5zik2scm7jrs501n4kybdqd6yw6j0cv4jxdqbr0"))))
+      (build-system emacs-build-system)
+      (propagated-inputs `(("emacs-helm" ,emacs-helm)))
+      (home-page "https://github.com/emacs-helm/helm-ls-git")
+      (synopsis "Helm interface for listing the files in a Git repository")
+      (description
+       "This package provides a Helm interface for Git files.
+@itemize
+@item Display the open buffers in project.
+@item Display a status source showing state of project (modified files etc.).
+@item Display a list of all files in project under git control.
+@item Quickly look at diffs of modified files.
+@item Allow switching to @code{git status} with your preferred frontend
+(vc-dir, Magit,etc.).
+@item Full integration of git-grep, also allow usage of @code{helm-grep} (you
+can use ack-grep instead of grep).
+@item Integrate usage of gid from id-utils.
+@item Full integration with @code{helm-find-files}, allow you to browse
+projects unrelated to current-buffer.
+@item In addition, all actions of type files and buffers are provided.
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-mu
+  (let ((commit "77e6fea24e01481418738421dbcfe28ef1bd63cf"))
+    (package
+      (name "emacs-helm-mu")
+      (version (git-version  "20180513" "1" commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "https://github.com/emacs-helm/helm-mu/archive/"
+               commit
+               ".tar.gz"))
+         (sha256
+          (base32
+           "0qm4xi3i957scm50nar398pv4x8y03si10l77jb9ckjaviyq2hj9"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("mu" ,mu)))
+      (home-page
+       "https://github.com/emacs-helm/helm-mu")
+      (synopsis
+       "Helm sources for searching emails and contacts")
+      (description
+       "Helm sources for searching emails and contacts using @code{mu} and
+@code{mu4e}.  Mu is an indexer for maildirs and mu4e is a mutt-like MUA for
+Emacs build on top of mu.  Mu is highly efficient making it possible to get
+instant results even for huge maildirs.  It also provides search operators,
+e.g: @code{from:Peter to:Anne flag:attach search term}.")
+      (license license:gpl3+))))
+
+(define-public emacs-helm-pass
+  (let ((commit "ebcbef1a962795a36e3491ae926e2a4b8a8b0ebb"))
+    (package
+      (name "emacs-helm-pass")
+      (version (git-version  "20180416" "1" commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "https://github.com/jabranham/helm-pass/archive/"
+               commit
+               ".tar.gz"))
+         (sha256
+          (base32
+           "1pgq4hj9wvz7z2fyxwsvbh6rmc1akya84v382nx26rr76iavz6wi"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-password-store" ,emacs-password-store)))
+      (home-page
+       "https://github.com/jabranham/helm-pass")
+      (synopsis "Helm interface to pass, the standard Unix password manager")
+      (description
+       "Users of @code{helm-pass} may also be interested in functionality
+provided by other Emacs packages dealing with pass:
+@itemize
+@item @code{emacs-password-store}, which @code{helm-pass} relies on.
+@item @code{emacs-pass}, a major mode for @code{pass}.
+@item @code{auth-source-pass.el}: integration of Emacs' auth-source with
+@code{pass}, included in Emacs 26+).
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-image+
+  (let ((commit "6834d0c09bb4df9ecc0d7a559bd7827fed48fffc"))
+    (package
+      (name "emacs-image+")
+      (version (git-version "0.6.2" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/mhayashi1120/Emacs-imagex")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0v66wk9nh0raih4jhrzmmyi5lbysjnmbv791vm2230ffi2hmwxnd"))))
+      (build-system emacs-build-system)
+      (inputs `(("imagemagick" ,imagemagick)))
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'configure
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let ((imagemagick (assoc-ref inputs "imagemagick")))
+                 ;; Specify the absolute file names of the various
+                 ;; programs so that everything works out-of-the-box.
+                 (chmod "image+.el" #o666)
+                 (emacs-substitute-variables
+                     "image+.el"
+                   ("imagex-convert-command"
+                    (string-append imagemagick "/bin/convert"))
+                   ("imagex-identify-command"
+                    (string-append imagemagick "/bin/identify")))))))))
+      (home-page "https://github.com/mhayashi1120/Emacs-imagex")
+      (synopsis "Image manipulation extensions for Emacs")
+      (description
+       "Image+ provides keybindings allowing you to zoom in or zoom out of an
+image, rotate it, save modified images, and more.")
+      (license license:gpl3+))))
+
+(define-public emacs-package-lint
+  (let ((commit "69bb89d00ba212b734c676ad056aa793c450b288"))
+    (package
+      (name "emacs-package-lint")
+      (version (git-version "0.5" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/purcell/package-lint")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1hfricsgmy3x9snnd2p4xq6vnnv94qdsxxnxp07b3hqc9bhw31rq"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/purcell/package-lint")
+      (synopsis "Linting library for elisp package authors")
+      (description
+       "This provides a list of issues with the Emacs package metadata of a file,
+e.g. the package dependencies it requires.  See function
+@code{package-lint-buffer}.  Checks will currently be enabled only if a
+\"Package-Requires:\" or \"Package-Version:\" header is present in the
+file.")
+      (license license:gpl3+))))
+
+(define-public emacs-picpocket
+  (let ((version "40")
+        (commit "6fd88b8711c4370662c0f9c462170187d092a046"))
+    (package
+      (name "emacs-picpocket")
+      (version version)
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/johanclaesson/picpocket")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "1mdzzxf7xm7zwrpnqqxa27d1cr31pd72d7ilbwljv13qp177a3yw"))))
+      (build-system emacs-build-system)
+      (arguments ; needed for running tests
+       `(#:tests? #t
+         #:emacs ,emacs
+         #:test-command '("emacs" "--batch"
+                          "-l" "picpocket-test.el"
+                          "-f" "ert-run-tests-batch-and-exit")))
+      (home-page "https://github.com/johanclaesson/picpocket")
+      (synopsis "Image viewer for Emacs")
+      (description
+       "Picpocket is an image viewer for GNU Emacs.  It has commands for:
+
+@itemize
+@item File operations on the picture files (delete, move, copy, hardlink).
+@item Scale and rotate the picture.
+@item Associate pictures with tags which are saved to disk.
+@item Filter pictures according to tags.
+@item Customizing keystrokes for quick tagging and file operations.
+@item Undo and browse history of undoable commands.
+@end itemize")
+      (license license:gpl3+))))
+
+(define-public emacs-wgrep-helm
+  ;; `emacs-wgrep-helm' was mistakenly added.
+  (deprecated-package "emacs-wgrep-helm" emacs-wgrep))
+
+(define-public emacs-mu4e-conversation
+  (let ((commit "e7d4bfcb0d392b0aed1f705ccac2419a168d1f5e"))
+    (package
+      (name "emacs-mu4e-conversation")
+      (version (git-version "20181126" "4" commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "https://gitlab.com/Ambrevar/mu4e-conversation/"
+               "repository/archive.tar.gz?ref="
+               commit))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "0b52hf9rm2afba9pvgink9bwqm705sk0y5qikp0ff5sk53wqvy29"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("mu" ,mu)))
+      (home-page
+       "https://gitlab.com/Ambrevar/mu4e-conversation")
+      (synopsis
+       "Show a complete thread in a single buffer")
+      (description
+       "This package offers an alternate view to mu4e's e-mail display.  It
+shows all e-mails of a thread in a single view, where each correspondent has
+their own face.  Threads can be displayed linearly (in which case e-mails are
+displayed in chronological order) or as an Org document where the node tree
+maps the thread tree.")
+      (license license:gpl3+))))
+
+(define-public emacs-pinentry
+  (let ((commit "dcc9ba03252ee5d39e03bba31b420e0708c3ba0c")
+        (revision "1"))
+    (package
+      (name "emacs-pinentry")
+      (version (git-version "0.1" revision commit))
+      (source
+       (origin
+         (method url-fetch)
+         (uri (string-append
+               "http://git.savannah.gnu.org/cgit/emacs/elpa.git/plain"
+               "/packages/pinentry/pinentry.el?id=" commit))
+         (file-name (string-append "pinentry.el"))
+         (sha256
+          (base32
+           "1lf30q6r8nz5cjzclbb9bbymsk2y75nskvb55hnjdv93gr3j0sik"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("gnupg" ,gnupg)))
+      (home-page "https://elpa.gnu.org/packages/pinentry.html")
+      (synopsis "GnuPG Pinentry server implementation")
+      (description
+       "This package allows GnuPG passphrase to be prompted through the
+minibuffer instead of graphical dialog.
+
+To use, add @code{allow-emacs-pinentry} to @code{~/.gnupg/gpg-agent.conf},
+reload the configuration with @code{gpgconf --reload gpg-agent}, and start the
+server with @code{M-x pinentry-start}.")
+      (license license:gpl3+))))
+
+(define-public emacs-org-brain
+  (package
+    (name "emacs-org-brain")
+    (version "0.5")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/Kungsgeten/org-brain.git")
+             (commit "3faf9303af3f2356e3444e69c22dc6c5774047d1")))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1ad681zk6kckw2zbk0r4iaj4bw8cfqrbd1s3gdwgdjlzq81q9mmj"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/Kungsgeten/org-brain")
+    (synopsis "Org-mode wiki and concept-mapping for Emacs")
+    (description "@code{emacs-org-brain} implements a variant of concept
+mapping in Emacs, using @code{org-mode}.  An org-brain is a network of
+org-mode entries, where each entry is a file or a headline, and you can get a
+visual overview of the relationships between the entries: parents, children,
+siblings and friends.  This visual overview can also be used to browse your
+entries.  You can think of entries as nodes in a mind map, or pages in a
+wiki.")
+    (license license:expat)))
+
+(define-public emacs-recent-addresses
+  (let ((commit "afbbfdc43b81e620acf827ca20d297e0c517b6eb")
+        (revision "1"))
+    (package
+      (name "emacs-recent-addresses")
+      (home-page "http://nschum.de/src/emacs/recent-addresses/")
+      (version (git-version "0.1" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      ;; Note: Use a branch that works with Helm.  Submitted
+                      ;; at <https://github.com/nschum/recent-addresses.el/pull/1>.
+                      (url "https://github.com/civodul/recent-addresses.el")
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "0ajrq0galjmdyjdjyxazykjyax3gh6hvfk4s7l657pi11g0q5zax"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (synopsis "Record recently-used email addressed and auto-complete them")
+      (description
+       "@code{recent-addresses} is an Emacs package that allows you to quickly
+look up previously used email addresses.  It can be used alongside the Gnus
+email client.")
+      (license license:gpl2+))))
+
+(define-public emacs-fold-dwim
+  (let ((commit "c46f4bb2ce91b4e307136320e72c28dd50b6cd8b")
+        (revision "0"))
+    (package
+      (name "emacs-fold-dwim")
+      (version (git-version "1.2" revision commit))
+      (home-page "https://github.com/emacsattic/fold-dwim")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "1yz1wis31asw6xa5maliyd1ck2q02xnnh7dc6swgj9cb4wi7k6i1"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (synopsis "Unified user interface for Emacs folding modes")
+      (description
+       "DWIM stands for \"do what I mean\", as in the idea that one keystroke
+can do different things depending on the context.  In this package, it means
+that, if the cursor is in a currently hidden folded construction, we want to
+show it; if it's not, we want to hide whatever fold the cursor is in.")
+      (license license:gpl2+))))
+
+(define-public emacs-markup-faces
+  (package
+    (name "emacs-markup-faces")
+    (version "1.0.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://stable.melpa.org/packages/markup-faces-"
+                           version ".el"))
+       (sha256
+        (base32
+         "124dxbaa25fwxnpwsygpz7pw6da6dnnw7y2lic3jf8rgz7lw4v32"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/sensorflo/markup-faces")
+    (synopsis "Collection of Emacs faces for markup language modes")
+    (description "emacs-markup-faces is like font-lock-faces, but tailored for
+markup languages instead programming languages.  The sub group markup-faces-text
+is also intended for 'text viewing modes' such as info or (wo)man.  This gives a
+common look and feel, or let's say theme, across different markup language modes
+and 'text viewing modes' respectively.")
+    (license license:gpl3+)))
+
+(define-public emacs-adoc-mode
+  (package
+    (name "emacs-adoc-mode")
+    (version "0.6.6")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://stable.melpa.org/packages/adoc-mode-"
+                           version ".el"))
+       (sha256
+        (base32
+         "1c6hrgxxsnl2c19rgjykpm7r4xg9lp6bmk5z6bi7g8pqlrgwffcy"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-markup-faces" ,emacs-markup-faces)))
+    (home-page "https://github.com/sensorflo/adoc-mode/wiki")
+    (synopsis "AsciiDoc mode for Emacs")
+    (description "This package provides an Emacs major mode for editing AsciiDoc
+files.  It focuses on highlighting the document to improve readability.")
+    (license license:gpl2+)))
+
+(define-public emacs-rust-mode
+  (let ((commit
+         ;; Last release is old (2016), use more recent commit to get bug
+         ;; fixes.
+         "64b4a2450e4d4c47f6307851c9b2598cd2254d68")
+        (revision "0"))
+    (package
+      (name "emacs-rust-mode")
+      (version (git-version "0.3.0" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri
+                 (git-reference
+                  (url "https://github.com/rust-lang/rust-mode")
+                  (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0pbz36lljgb7bdgx3h3g0pq1nss1kvn8mhk1l3mknsmynd6w4nd8"))))
+      (build-system emacs-build-system)
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (replace 'check
+             (lambda _
+               (invoke "sh" "run_rust_emacs_tests.sh"))))))
+      (home-page "https://github.com/rust-lang/rust-mode")
+      (synopsis "Major Emacs mode for editing Rust source code")
+      (description "This package provides a major Emacs mode for editing Rust
+source code.")
+      (license (list license:expat
+                     license:asl2.0)))))
+
+(define-public emacs-ztree
+  (let ((commit "c54425a094353ec40a8179f9eab3596f76c6cf94"))
+    (package
+      (name "emacs-ztree")
+      (version (git-version "1.0.5" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/fourier/ztree")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0j8fpxds8m1zi04nrs8vv21091abvh4n8ab76f1sgdxnp4l5cfb0"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/fourier/ztree")
+      (synopsis "Directory tree comparison mode for Emacs")
+      (description "Ztree is a project dedicated to implementation of several
+text-tree applications inside GNU Emacs.  It consists of 2 subprojects:
+@command{ztree-diff} and @command{ztree-dir} (the basis of
+@command{ztree-diff}).")
+      (license license:gpl3))))
+
+(define-public emacs-helm-org-contacts
+  (let ((commit "0af703bd9a43032b89fdf5559673151d1ac2fffc"))
+    (package
+      (name "emacs-helm-org-contacts")
+      (version (git-version "20180707" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/tmalsburg/helm-org-contacts")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "1cl7cm2ic9pg4vc9cdh84vzjj1x2lpd5ymimiva8h4l17kiphk4s"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-dash" ,emacs-dash)
+         ("emacs-helm" ,emacs-helm)
+         ("emacs-s" ,emacs-s)))
+      (home-page "https://github.com/tmalsburg/helm-org-contacts")
+      (synopsis "Helm source for org-contacts")
+      (description "This Helm source can be used to search contacts stored in
+org-contacts format.  There are actions for inserting postal addresses, email
+addresses, and phone numbers in the buffer where @command{helm-org-contacts}
+was called.")
+      (license license:gpl3))))
+
+(define-public emacs-dired-du
+  (package
+    (name "emacs-dired-du")
+    (version "0.5.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://elpa.gnu.org/packages/dired-du-"
+             version ".tar"))
+       (sha256
+        (base32
+         "1091scnrjh0a4gja4z6jxic6ghy1yryv46qk9c76pmh50cpw6766"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/dired-du.html")
+    (synopsis "Dired with recursive directory sizes")
+    (description
+     "Display the recursive size of directories in Dired.
+This file defines a minor mode @command{dired-du-mode} to show the recursive
+size of directories in Dired buffers.  If @command{du} program is available,
+then the directory sizes are obtained with it.  Otherwise, the directory sizes
+are obtained with Lisp.  The former is faster and provide a more precise
+value.  For directories where the user doesn't have read permission, the
+recursive size is not obtained.  Once this mode is enabled, every new Dired
+buffer displays recursive dir sizes.")
+    (license license:gpl3+)))
+
+(define-public emacs-pcre2el
+  ;; Last release is very old so we get the latest commit.
+  (let ((commit "0b5b2a2c173aab3fd14aac6cf5e90ad3bf58fa7d"))
+    (package
+      (name "emacs-pcre2el")
+      (version (git-version "1.8" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/joddie/pcre2el")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "14br6ad138qx1z822wqssswqiihxiynz1k69p6mcdisr2q8yyi1z"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/joddie/pcre2el")
+      (synopsis "Convert between PCRE, Emacs and rx regexp syntax")
+      (description "@code{pcre2el} or @code{rxt} (RegeXp Translator or RegeXp
+Tools) is a utility for working with regular expressions in Emacs, based on a
+recursive-descent parser for regexp syntax.  In addition to converting (a
+subset of) PCRE syntax into its Emacs equivalent, it can do the following:
+
+@itemize
+@item convert Emacs syntax to PCRE
+@item convert either syntax to @code{rx}, an S-expression based regexp syntax
+@item untangle complex regexps by showing the parse tree in @code{rx} form and
+highlighting the corresponding chunks of code
+@item show the complete list of strings (productions) matching a regexp,
+provided the list is finite
+@item provide live font-locking of regexp syntax (so far only for Elisp
+buffers – other modes on the TODO list).
+@end itemize\n")
+      (license license:gpl3))))
+
+(define-public emacs-magit-todos
+  (package
+    (name "emacs-magit-todos")
+    (version "1.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/alphapapa/magit-todos")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1mvzbxshr6zjdim3jd368ar1hy5l7n22i03cpvzdmrw83kkwdyhd"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-async" ,emacs-async)
+       ("emacs-dash" ,emacs-dash)
+       ("emacs-f" ,emacs-f)
+       ("emacs-hl-todo" ,emacs-hl-todo)
+       ("magit" ,emacs-magit)
+       ("emacs-pcre2el" ,emacs-pcre2el)
+       ("emacs-s" ,emacs-s)))
+    (home-page "https://github.com/alphapapa/magit-todos")
+    (synopsis "Show source files' TODOs (and FIXMEs, etc) in Magit status buffer")
+    (description "This package displays keyword entries from source code
+comments and Org files in the Magit status buffer.  Activating an item jumps
+to it in its file.  By default, it uses keywords from @code{hl-todo}, minus a
+few (like NOTE).")
+    (license license:gpl3)))
+
+(define-public emacs-git-annex
+  ;; Unreleased version has a fontification fix.
+  (let ((commit "ebdb44aef1883f1b2b8058e05d30fb9315b03707")
+        (revision "1"))
+    (package
+      (name "emacs-git-annex")
+      (version (string-append "1.1-" revision "." (string-take commit 8)))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/jwiegley/git-annex-el")
+               (commit commit)))
+         (file-name (string-append name "-" version "-checkout"))
+         (sha256
+          (base32
+           "1mzv40gj7k10h7h5s43my8msgzjpj680qprqa9pp8nbyhl49v3wh"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/jwiegley/git-annex-el")
+      (synopsis "Emacs integration for git-annex")
+      (description "Enhances Dired and buffers visiting annex files with
+git-annex functionality.  In Dired, the names of annex files are shortened by
+hiding the symbolic links and fontified based on whether content is present.
+Commands for performing some common operations (e.g., unlocking and adding
+files) are provided.")
+      (license license:gpl2+))))
+
+(define-public emacs-hackernews
+  (let ((commit "d8c450bbc76d6bb65ec5cdb6c3b888a23f3769e9"))
+    (package
+      (name "emacs-hackernews")
+      (version (git-version "0.4.0" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/clarete/hackernews.el")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "06mp4n6c300jv5lhwf50ircfjckzr2p1zd38s4mqnxxjlf1maim7"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/clarete/hackernews.el")
+      (synopsis "Hacker News client for Emacs")
+      (description "The @command{hackernews} package is able to fetch stories
+from six different Hacker News feeds, namely top, new, best, ask, show and job
+stories.  The default feed is top stories, which corresponds to the Hacker
+News homepage.")
+      (license license:gpl3))))
+
+(define-public emacs-youtube-dl
+  (let ((commit "7c9d7a7d05b72a7d1b1257a36c5e2b2567b185dd"))
+    (package
+      (name "emacs-youtube-dl")
+      (version (git-version "1.0" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/skeeto/youtube-dl-emacs/")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "0mh4s089a4x8s380agzb2306kdp1hl204px1n5rrrrdcls7imnh6"))))
+      (build-system emacs-build-system)
+      (inputs
+       `(("youtube-dl" ,youtube-dl)))
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'configure
+             (lambda* (#:key inputs #:allow-other-keys)
+               (let ((youtube-dl (assoc-ref inputs "youtube-dl")))
+                 ;; .el is read-only in git.
+                 (chmod "youtube-dl.el" #o644)
+                 ;; Specify the absolute file names of the various
+                 ;; programs so that everything works out-of-the-box.
+                 (emacs-substitute-variables
+                     "youtube-dl.el"
+                   ("youtube-dl-program"
+                    (string-append youtube-dl "/bin/youtube-dl")))))))))
+      (home-page "https://github.com/skeeto/youtube-dl-emacs/")
+      (synopsis "Emacs youtube-dl download manager")
+      (description "This package manages a video download queue for
+@command{youtube-dl}, which serves as the back end.  It manages a single
+@command{youtube-dl} subprocess, downloading one video at a time.  New videos
+can be queued at any time.")
+      (license license:unlicense))))
+
+(define-public emacs-org-web-tools
+  (package
+    (name "emacs-org-web-tools")
+    (version "1.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/alphapapa/org-web-tools")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0kak9h5ny00d39gnwspv53nadnag01brw2fq9zk5wpfc91h9bjng"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("emacs-dash" ,emacs-dash)
+       ("emacs-esxml" ,emacs-esxml)
+       ("emacs-s" ,emacs-s)))
+    (inputs
+     `(("pandoc" ,ghc-pandoc)))
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'patch-exec-paths
+           (lambda* (#:key inputs #:allow-other-keys)
+             (let ((pandoc (assoc-ref inputs "pandoc")))
+               (substitute* "org-web-tools.el"
+                 (("\"pandoc\"") (string-append "\"" pandoc "/bin/pandoc\"")))
+               #t))))))
+    (home-page "https://github.com/alphapapa/org-web-tools")
+    (synopsis "Display/Process web page as Org-mode content")
+    (description "This package contains library functions and commands useful
+for retrieving web page content and processing it into Org-mode content.
+
+For example, you can copy a URL to the clipboard or kill-ring, then run a
+command that downloads the page, isolates the “readable” content with
+@command{eww-readable}, converts it to Org-mode content with Pandoc, and
+displays it in an Org-mode buffer.  Another command does all of that but
+inserts it as an Org entry instead of displaying it in a new buffer.")
+    (license license:gpl3+)))
+
+(define-public emacs-blimp
+  (let ((commit "e420763d6d18b5d1be552cdbc47f91418343db03"))
+    (package
+      (name "emacs-blimp")
+      (version (git-version "0.0.0" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/walseb/blimp")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "09wmhpym516b81dfq8smdmysh1fn610dzlyvyl2rkx8600f0fizd"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-eimp" ,emacs-eimp)))
+      (home-page "https://github.com/walseb/blimp")
+      (synopsis "Emacs wrapper around all Imagemagick commands")
+      (description "Blimp (Bustling Image Manipulation Package) is a complete
+wrapper around all Imagemagick commands with descriptions, autocompletion (for
+some commands) and hints displayed in prompt using @command{eimp.el} to
+execute its commands and resize images.")
+      (license license:gpl3+))))
+
+(define-public emacs-synosaurus
+  (let ((commit "8bf95b935976ec0a1964cf175ed57cc5f6f93bdb"))
+    (package
+      (name "emacs-synosaurus")
+      (version (git-version "0.1.0" "1" commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/hpdeifel/synosaurus")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "15by9jccab6kyplxa6k0glzaivxkqdigl33gl2qi2cvy6f2q7gva"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("wordnet" ,wordnet)))
+      (arguments
+       `(#:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'configure
+             (lambda* (#:key inputs outputs #:allow-other-keys)
+               (let ((wn (assoc-ref inputs "wordnet")))
+                 ;; .el is read-only in git.
+                 (chmod "synosaurus-wordnet.el" #o644)
+                 ;; Specify the absolute file names of the various
+                 ;; programs so that everything works out-of-the-box.
+                 (emacs-substitute-variables
+                     "synosaurus-wordnet.el"
+                   ("wordnet-command"
+                    (string-append wn "/bin/wn")))))))))
+      (home-page "https://github.com/hpdeifel/synosaurus")
+      (synopsis "Extensible thesaurus mode for Emacs")
+      (description "Synosaurus is a thesaurus fontend for Emacs with pluggable
+backends, including the @command{wordnet} offline backend.")
+      (license license:gpl3+))))
+
+(define-public emacs-all-the-icons
+  (package
+    (name "emacs-all-the-icons")
+    (version "3.2.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/domtronn/all-the-icons.el.git")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1sdl33117lccznj38021lwcdnpi9nxmym295q6y460y4dm4lx0jn"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:include '("\\.el$" "^data/" "^fonts/")
+       ;; Compiling "test/" fails with "Symbol’s value as variable is void:
+       ;; all-the-icons--root-code".  Ignoring tests.
+       #:exclude '("^test/")
+       #:tests? #f))
+    (propagated-inputs
+     `(("f" ,emacs-f)
+       ("memoize" ,emacs-memoize)))
+    (home-page "https://github.com/domtronn/all-the-icons.el")
+    (synopsis "Collect icon fonts and propertize them within Emacs")
+    (description "All-the-icons is a utility package to collect various icon
+fonts and propertize them within Emacs.  Icon fonts allow you to propertize
+and format icons the same way you would normal text.  This enables things such
+as better scaling of and anti aliasing of the icons.")
+    ;; Package is released under Expat license.  Elisp files are licensed
+    ;; under GPL3+.  Fonts come with various licenses: Expat for
+    ;; "all-the-icons.ttf" and "file-icons.ttf", Apache License 2.0 for
+    ;; "material-design-icons.ttf", and SIL OFL 1.1 for "fontawesome.ttf",
+    ;; "ocitcons.ttf" and "weathericons.ttf".
+    (license
+     (list license:expat license:gpl3+ license:silofl1.1 license:asl2.0))))
+
+(define-public emacs-powerline
+  (package
+    (name "emacs-powerline")
+    (version "2.4")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/milkypostman/powerline.git")
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1hp3xp18943n0rlggz55150020ivw8gvi1vyxkr4z8xhpwq4gaar"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/milkypostman/powerline/")
+    (synopsis "Mode-line plugin for Emacs")
+    (description "Powerline is a utility plugin which allows you to create
+a better-looking, more functional Emacs mode-line.  A collection of predefined
+themes comes with the package.")
+    (license license:gpl3+)))
+
+(define-public emacs-spaceline
+  (package
+    (name "emacs-spaceline")
+    (version "2.0.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/TheBB/spaceline.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "1q8r95zfrh0vxna5ml2pq9b9f66clfqcl4d2qy2aizkvzyxg6skl"))))
+    (build-system emacs-build-system)
+    (propagated-inputs
+     `(("dash" ,emacs-dash)
+       ("powerline" ,emacs-powerline)
+       ("s" ,emacs-s)))
+    (home-page "https://github.com/TheBB/spaceline")
+    (synopsis "Powerline theme from Spacemacs")
+    (description "Spaceline provides Spacemacs' mode-line theme.
+This package provides features for three kinds of users.
+
+@itemize
+@item You just want to use the Spacemacs mode-line theme and forget about it.
+@item You want to use something similar to the Spacemacs mode-line theme, but
+with a handful of easy tweaks.
+@item You want an easy-to-use library for building your own mode-line from
+scratch, and you think the Spacemacs theme looks good.
+@end itemize")
+    (license license:gpl3+)))
+
+(define-public emacs-column-marker
+  (package
+    (name "emacs-column-marker")
+    (version "9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri "https://www.emacswiki.org/emacs/download/column-marker.el")
+       (sha256 (base32 "05bv198zhqw5hqq6cr11mhz02dpca74hhp1ycwq369m0yb2naxy9"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/ColumnMarker")
+    (synopsis "Emacs mode for highlighting columns")
+    (description
+     "With @code{column-marker.el} you can highlight any number of text columns.
+Three such highlight column markers are provided by default.  This is
+especially useful for languages like COBOL or Fortran where certain columns
+have special meaning.  It is also handy for aligning text across long vertical
+distances.  Multi-column characters, such as @kbd{TAB} are treated
+correctly.")
+    (license license:gpl2+)))
+
+(define-public emacs-slime-repl-ansi-color
+  (let ((commit "ad03263f5d4de473bc173b64a6fc3dc1106393d7"))
+    (package
+      (name "emacs-slime-repl-ansi-color")
+      (version (git-version "0.0.0" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/deadtrickster/slime-repl-ansi-color")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0bpg7gxz310x7bnlg324c507sxc5gxwwz6h64h6kdq141r73vbi4"))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/deadtrickster/slime-repl-ansi-color")
+      (synopsis "Color ANSI codes in the REPL of SLIME")
+      (description "Color ANSI codes in the REPL of SLIME")
+      (license license:gpl2+))))
+
+(define-public emacs-helm-slime
+  (let ((commit "9980925f3e5f6ac5a30369d2a544e82006a79c76"))
+    (package
+      (name "emacs-helm-slime")
+      (version (git-version "0.0.0" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/emacs-helm/helm-slime")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "0xa07gpfkzwn522x9573mq5mfxvbawdgd0m93gqj6w5a14wk8zzh"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("emacs-helm" ,emacs-helm)
+         ("emacs-slime" ,emacs-slime)))
+      (home-page "https://github.com/emacs-helm/helm-slime")
+      (synopsis "Helm for SLIME, the Superior Lisp Interaction Mode for Emacs")
+      (description "Helm-SLIME defines a few new commands:
+
+@itemize
+@item helm-slime-complete: Select a symbol from the SLIME completion systems.
+@item helm-slime-list-connections: Yet another slime-list-connections with Helm.
+@item: helm-slime-apropos: Yet another slime-apropos with Helm.
+@item helm-slime-repl-history: Select an input from the SLIME REPL history and insert it.
+@end itemize\n")
+      (license license:gpl3+))))
+
+(define-public emacs-gtk-look
+  (package
+    (name "emacs-gtk-look")
+    (version "29")
+    (source (origin
+              (method url-fetch)
+              (uri "https://download.tuxfamily.org/user42/gtk-look.el")
+              (sha256
+               (base32
+                "14p2nwrd51cr1v06fxbjjn6jdrkf9d6vcxhmscm0kl677s25ypsp"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'configure
+           (lambda _
+             ;; File is read-only.
+             (chmod "gtk-look.el" #o644)
+             (emacs-substitute-variables "gtk-look.el"
+               ("gtk-lookup-devhelp-indices"
+                '(list (expand-file-name "~/.guix-profile/share/gtk-doc/html/*/*.devhelp*"))))
+             #t)))))
+    (home-page "http://user42.tuxfamily.org/gtk-look/index.html")
+    (synopsis "Find and display HTML documentation for GTK, GNOME and Glib")
+    (description "@command{gtk-look} finds and displays HTML documentation for
+GTK, GNOME and Glib functions and variables in Emacs, similar to what
+info-lookup-symbol does for info files (C-h S).  The documentation is expected
+to be devhelp indexes with HTML files.  The location of the indexes can be
+customized.  In addition to C code development @command{gtk-look} is good for
+
+@itemize
+@item @command{perl-gtk2}, recognising class funcs like
+@command{Gtk2::Label->new} and bare method names like @command{set_text}.
+@item @command{guile-gnome}, recognising methods like @command{set-text} and
+classes like @command{<gtk-window>}.
+@end itemize\n")
+    (license license:gpl3+)))
+
+(define-public emacs-ov
+  (package
+    (name "emacs-ov")
+    (version "1.0.6")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/ShingoFukuyama/ov.el.git")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0qxk2rf84j86syxi8xknsq252irwg7sz396v3bb4wqz4prpj0kzc"))))
+    (build-system emacs-build-system)
+    (home-page "https://github.com/ShingoFukuyama/ov.el")
+    (synopsis "Overlay library for Emacs Lisp")
+    (description "@code{ov.el} provides a simple way to manipulate overlays in
+Emacs.")
+    (license license:gpl3+)))
+
+(define-public emacs-matrix-client
+  (let ((commit "5d8e959a63e5de05b628ca8e1dfb974f7f618821"))
+    (package
+      (name "emacs-matrix-client")
+      (version (git-version "0.0.0" "1" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/jgkamat/matrix-client-el.git")
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "15mwyjq3z867v0xl4m2s3vvfn0wqncb67xawm1cjmpnambz1yz1n"))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("a" ,emacs-a)
+         ("dash" ,emacs-dash)
+         ("esxml" ,emacs-esxml)
+         ("f" ,emacs-f)
+         ("frame-purpose" ,emacs-frame-purpose)
+         ("ht" ,emacs-ht)
+         ("ov" ,emacs-ov)
+         ("rainbow-identifiers" ,emacs-rainbow-identifiers)
+         ("request" ,emacs-request)
+         ("s" ,emacs-s)
+         ("tracking" ,emacs-tracking)))
+      (home-page "https://github.com/jgkamat/matrix-client-el")
+      (synopsis "Matrix client for Emacs")
+      (description "@code{matrix-client} is a simple chat UI to Matrix.org
+rooms.  It also provides an API which allows Emacs to seamlessly create
+RPC channels with users and other software.")
+      (license license:gpl3+))))
+
+(define-public emacs-sesman
+  (package
+    (name "emacs-sesman")
+    (version "0.3.3")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/vspinu/sesman.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0r32f8ma9ddczxrrdz0nadp14j3zmk10q1ch02gb82synkx3xdra"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("make" "test")))
+    (home-page "https://github.com/vspinu/sesman")
+    (synopsis "Session manager for Emacs based IDEs")
+    (description "Sesman provides facilities for session management and
+interactive session association with the current contexts (project, directory,
+buffers).  While sesman can be used to manage arbitrary sessions, it primary
+targets the Emacs based IDEs (CIDER, ESS, Geiser, Robe, SLIME etc.)")
+    (license license:gpl3+)))
+
+(define-public emacs-buttercup
+  (package
+    (name "emacs-buttercup")
+    (version "1.16")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/jorgenschaefer/emacs-buttercup.git")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0dckgcyzsav6ld78bcyrrygy1cz1jvqgav6vy8f6klpmk3r8xrl1"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:tests? #t
+       #:test-command '("make" "test")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'install-bin
+           (lambda* (#:key outputs #:allow-other-keys)
+             (install-file "bin/buttercup"
+                           (string-append (assoc-ref outputs "out") "/bin"))
+             #t)))))
+    (home-page "https://github.com/jorgenschaefer/emacs-buttercup")
+    (synopsis "Behavior driven emacs lisp testing framework")
+    (description "Buttercup is a behavior-driven development framework for
+testing Emacs Lisp code.  It allows to group related tests so they can share
+common set-up and tear-down code, and allows the programmer to \"spy\" on
+functions to ensure they are called with the right arguments during testing.")
+    (license license:gpl3+)))
+
+(define-public emacs-wordnut
+  (let ((commit "feac531404041855312c1a046bde7ea18c674915")
+        (revision "0"))
+    (package
+      (name "emacs-wordnut")
+      (version (git-version "0.1" revision commit))
+      (home-page "https://github.com/gromnitsky/wordnut")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "1jl0b6g64a9w0q7bfvwha67vgws5xd15b7mkfyb5gkz3pymqhfxn"))
+                (patches
+                 (search-patches "emacs-wordnut-require-adaptive-wrap.patch"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("wordnet" ,wordnet)
+         ("emacs-adaptive-wrap" ,emacs-adaptive-wrap)))
+      (synopsis "Major mode for WordNet")
+      (description "This Emacs package provides an interface for
+@code{wordnet}.  Features include completion, if the query is not found
+too ambiguous and navigation in the result buffer.")
+      (license license:gpl3+))))
+
+(define-public emacs-frame-purpose
+  (package
+    (name "emacs-frame-purpose")
+    (version "1.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/alphapapa/frame-purpose.el.git")
+                    (commit version)))
+              (sha256
+               (base32
+                "0jq2aam1yvccw887ighd1wm2xkvk5bv53ffiz3crcl16a255aj4q"))
+              (file-name (git-file-name name version))))
+    (build-system emacs-build-system)
+    (inputs
+     `(("dash" ,emacs-dash)))
+    (synopsis "Purpose-specific frames for Emacs")
+    (description "@code{frame-purpose} makes it easy to open purpose-specific
+frames that only show certain buffers, e.g. by buffers’ major mode, their
+filename or directory, etc, with custom frame/X-window titles, icons, and
+other frame parameters.")
+    (home-page "https://github.com/alphapapa/frame-purpose.el")
+    (license license:gpl3+)))
+
+(define-public emacs-arduino-mode
+  (let ((commit "3e2bad4569ad26e929e6db2cbcff0d6d36812698")) ;no release yet
+    (package
+      (name "emacs-arduino-mode")
+      (version (git-version "0" "0" commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://github.com/bookest/arduino-mode.git")
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "1yvaqjc9hadbnnay5fprnh890xsp53kidad1zpb4a5z4a5z61n3c"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (synopsis "Emacs major mode for editing Arduino sketches")
+      (description "Emacs major mode for editing Arduino sketches.")
+      (home-page "https://github.com/bookest/arduino-mode")
+      (license license:gpl3+))))
+
+(define-public emacs-general
+  (let ((commit "675050199b5a30d54a24b58a367db32c0bdc47f5"))
+    (package
+      (name "emacs-general")
+      (version (git-version "0" "0" commit))
+      (home-page "https://github.com/noctuid/general.el")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url (string-append home-page ".git"))
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "175yyhzk57yk1sskxh3d2jzhrh2waiibbcfsll167qxr117yji5h"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (synopsis "More convenient key definitions in emacs")
+      (description "@code{general.el} provides a more convenient method for
+binding keys in emacs (for both evil and non-evil users).  Like
+@code{use-package}, which provides a convenient, unified interface for
+managing packages, @code{general.el} is intended to provide a convenient,
+unified interface for key definitions.  While this package does implement some
+completely new functionality (such as the ability to make vim-style
+keybindings under non-prefix keys with an optional timeout), its primary
+purpose is to build on existing functionality to make key definition more
+clear and concise.  @code{general-define-key} is user-extensible and supports
+defining multiple keys in multiple keymaps at once, implicitly wrapping key
+strings with (@code{kbd ...}), using named prefix key sequences (like the
+leader key in vim), and much more.")
+      (license license:gpl3+))))
+
+(define-public emacs-tldr
+  (let ((commit "398b197c8d2238628b07e1b32d0f373876279f4c"))
+    (package
+      (name "emacs-tldr")
+      (version (git-version "0" "0" commit))
+      (home-page "https://github.com/kuanyui/tldr.el")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url (string-append home-page ".git"))
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "0iq7qlis6c6r2qkdpncrhh5vsihkhvy5x4y1y8cjb7zxkh62w33f"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (synopsis "Simplified and community-driven man pages for Emacs")
+      (description "@code{emacs-tldr} allows the user to access tldr pages
+from within emacs.  The @code{tldr} pages are a community effort to simplify
+the man pages with practical examples.")
+      (license license:wtfpl2))))
diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index 567c1a2312..a488289f11 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -1,46 +1,21 @@
 ;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2014 Taylan Ulrich Bayirli/Kammer <taylanbayirli@gmail.com>
-;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
 ;;; Copyright © 2014, 2015, 2016, 2017, 2018 Mark H Weaver <mhw@netris.org>
-;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019 Alex Kost <alezost@gmail.com>
-;;; Copyright © 2015 Federico Beffa <beffa@fbengineering.ch>
-;;; Copyright © 2015, 2016, 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
-;;; Copyright © 2016, 2017, 2018 Chris Marusich <cmmarusich@gmail.com>
-;;; Copyright © 2015, 2016, 2018 Christopher Lemmer Webber <cwebber@dustycloud.org>
-;;; Copyright © 2016 Adriano Peluso <catonano@gmail.com>
-;;; Copyright © 2016, 2017, 2018, 2019 Efraim Flashner <efraim@flashner.co.il>
-;;; Copyright © 2016 David Thompson <davet@gnu.org>
-;;; Copyright © 2016 Matthew Jordan <matthewjordandevops@yandex.com>
-;;; Copyright © 2016, 2017 Roel Janssen <roel@gnu.org>
-;;; Copyright © 2016, 2017 Nils Gillmann <ng0@n0.is>
-;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
-;;; Copyright © 2016, 2017, 2018, 2019 Nicolas Goaziou <mail@nicolasgoaziou.fr>
-;;; Copyright © 2016, 2017, 2018 Alex Vong <alexvong1995@gmail.com>
-;;; Copyright © 2016, 2017, 2018 Arun Isaac <arunisaac@systemreboot.net>
-;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
-;;; Copyright © 2017, 2018 Mathieu Othacehe <m.othacehe@gmail.com>
-;;; Copyright © 2017, 2018, 2019 Clément Lassieur <clement@lassieur.org>
-;;; Copyright © 2017 Vasile Dumitrascu <va511e@yahoo.com>
-;;; Copyright © 2017, 2018 Kyle Meyer <kyle@kyleam.com>
-;;; Copyright © 2017 Kei Kebreau <kkebreau@posteo.net>
-;;; Copyright © 2017 George Clemmer <myglc2@gmail.com>
-;;; Copyright © 2017, 2018 Feng Shu <tumashu@163.com>
+;;; Copyright © 2014, 2015, 2016, 2017 Alex Kost <alezost@gmail.com>
+;;; Copyright © 2016, 2018 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2016 Federico Beffa <beffa@fbengineering.ch>
+;;; Copyright © 2016 David Thompson <dthompson2@worcester.edu>
+;;; Copyright © 2016 Nils Gillmann <ng0@n0.is>
+;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2017 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2017 Alex Vong <alexvong1995@gmail.com>
+;;; Copyright © 2017, 2018 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
-;;; Copyright © 2017, 2018 Oleg Pykhalov <go.wigust@gmail.com>
-;;; Copyright © 2017 Mekeor Melire <mekeor.melire@gmail.com>
-;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com>
-;;; Copyright © 2017, 2018 Tobias Geerinckx-Rice <me@tobias.gr>
-;;; Copyright © 2017 Mike Gerwitz <mtg@gnu.org>
-;;; Copyright © 2017, 2018 Maxim Cournoyer <maxim.cournoyer@gmail.com>
-;;; Copyright © 2018 Sohom Bhattacharjee <soham.bhattacharjee15@gmail.com>
-;;; Copyright © 2018 Mathieu Lirzin <mthl@gnu.org>
-;;; Copyright © 2018 Pierre Neidhardt <mail@ambrevar.xyz>
-;;; Copyright © 2018, 2019 Tim Gesthuizen <tim.gesthuizen@yahoo.de>
-;;; Copyright © 2018 Jack Hill <jackhill@jackhill.us>
-;;; Copyright © 2018 Pierre-Antoine Rouby <pierre-antoine.rouby@inria.fr>
-;;; Copyright © 2018 Alex Branham <alex.branham@gmail.com>
-;;; Copyright © 2018 Thorsten Wilms <t_w_@freenet.de>
-;;; Copyright © 2018 Pierre Langlois <pierre.langlois@gmx.com>
+;;; Copyright © 2018 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
+;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -60,70 +35,34 @@
 (define-module (gnu packages emacs)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
-  #:use-module (guix cvs-download)
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system cmake)
-  #:use-module (guix build-system emacs)
   #:use-module (guix build-system glib-or-gtk)
-  #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
-  #:use-module (gnu packages admin)
-  #:use-module (gnu packages audio)
-  #:use-module (gnu packages bash)
-  #:use-module (gnu packages cmake)
-  #:use-module (gnu packages code)
-  #:use-module (gnu packages databases)
-  #:use-module (gnu packages guile)
-  #:use-module (gnu packages gtk)
-  #:use-module (gnu packages gnome)
-  #:use-module (gnu packages ncurses)
-  #:use-module (gnu packages python)
-  #:use-module (gnu packages python-xyz)
-  #:use-module (gnu packages tex)
-  #:use-module (gnu packages texinfo)
-  #:use-module (gnu packages tcl)
-  #:use-module (gnu packages tls)
-  #:use-module (gnu packages pkg-config)
-  #:use-module (gnu packages xorg)
-  #:use-module (gnu packages lesstif)
-  #:use-module (gnu packages llvm)
-  #:use-module (gnu packages image)
-  #:use-module (gnu packages linux)
-  #:use-module (gnu packages version-control)
-  #:use-module (gnu packages imagemagick)
-  #:use-module (gnu packages w3m)
-  #:use-module (gnu packages wget)
+  #:use-module (gnu packages acl)
   #:use-module (gnu packages autotools)
   #:use-module (gnu packages base)
   #:use-module (gnu packages compression)
-  #:use-module (gnu packages xml)
-  #:use-module (gnu packages glib)
-  #:use-module (gnu packages acl)
-  #:use-module (gnu packages mail)
-  #:use-module (gnu packages package-management)
-  #:use-module (gnu packages perl)
-  #:use-module (gnu packages pdf)
-  #:use-module (gnu packages scheme)
-  #:use-module (gnu packages xiph)
-  #:use-module (gnu packages mp3)
-  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages fontutils)
   #:use-module (gnu packages fribidi)
   #:use-module (gnu packages gd)
-  #:use-module (gnu packages fontutils)
-  #:use-module (gnu packages password-utils)
-  #:use-module (gnu packages pulseaudio)
-  #:use-module (gnu packages xdisorg)
-  #:use-module (gnu packages shells)
-  #:use-module (gnu packages sqlite)
-  #:use-module (gnu packages gnupg)
-  #:use-module (gnu packages video)
-  #:use-module (gnu packages haskell)
-  #:use-module (gnu packages wordnet)
+  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages glib)
+  #:use-module (gnu packages gnome) ; for librsvg
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages guile)
+  #:use-module (gnu packages image)
+  #:use-module (gnu packages imagemagick)
+  #:use-module (gnu packages linux) ; alsa-lib
+  #:use-module (gnu packages ncurses)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages texinfo)
+  #:use-module (gnu packages tls)
+  #:use-module (gnu packages xml)
+  #:use-module (gnu packages xorg)
   #:use-module (guix utils)
-  #:use-module (srfi srfi-1)
-  #:use-module (ice-9 match))
+  #:use-module (srfi srfi-1))
 
 (define-public emacs
   (package
@@ -332,5366 +271,6 @@ editor (without an X toolkit)" )
              (lambda _
                (invoke "mkdir" "-p" "src/deps")))))))))
 
-
-;;;
-;;; Emacs hacking.
-;;;
-
-(define-public emacs-geiser
-  (package
-    (name "emacs-geiser")
-    (version "0.10")
-    (source (origin
-             (method url-fetch)
-             (uri (string-append "mirror://savannah/geiser/" version
-                                 "/geiser-" version ".tar.gz"))
-             (sha256
-              (base32
-               "0pj3l7p8d60c9b4vfprnv6g5l61d74pls4b5dvd84cn4ky9mzwjv"))))
-    (build-system gnu-build-system)
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'post-install
-           (lambda* (#:key outputs #:allow-other-keys)
-             (symlink "geiser-install.el"
-                      (string-append (assoc-ref outputs "out")
-                                     "/share/emacs/site-lisp/"
-                                     "geiser-autoloads.el"))
-             #t)))))
-    (inputs `(("guile" ,guile-2.2)))
-    (native-inputs `(("emacs" ,emacs-minimal)))
-    (home-page "https://nongnu.org/geiser/")
-    (synopsis "Collection of Emacs modes for Guile and Racket hacking")
-    (description
-     "Geiser is a collection of Emacs major and minor modes that conspire with
-one or more Scheme implementations to keep the Lisp Machine Spirit alive.  The
-continuously running Scheme interpreter takes the center of the stage in
-Geiser.  A bundle of Elisp shims orchestrates the dialog between the Scheme
-implementation, Emacs and, ultimately, the schemer, giving them access to live
-metadata.")
-    (license license:bsd-3)))
-
-(define-public geiser
-  (deprecated-package "geiser" emacs-geiser))
-
-(define-public emacs-paredit
-  (package
-    (name "emacs-paredit")
-    (version "24")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "http://mumble.net/~campbell/emacs/paredit-"
-                                  version ".el"))
-              (sha256
-               (base32
-                "0pp3n8q6kc70blqsaw0zlzp6bc327dpgdrjr0cnh7hqg1lras7ka"))))
-    (build-system emacs-build-system)
-    (home-page "http://mumble.net/~campbell/emacs/paredit/")
-    (synopsis "Emacs minor mode for editing parentheses")
-    (description
-     "ParEdit (paredit.el) is a minor mode for performing structured editing
-of S-expression data.  The typical example of this would be Lisp or Scheme
-source code.
-
-ParEdit helps **keep parentheses balanced** and adds many keys for moving
-S-expressions and moving around in S-expressions.  Its behavior can be jarring
-for those who may want transient periods of unbalanced parentheses, such as
-when typing parentheses directly or commenting out code line by line.")
-    (license license:gpl3+)))
-
-(define-public paredit
-  (deprecated-package "paredit" emacs-paredit))
-
-(define-public git-modes
-  (package
-    (name "emacs-git-modes")
-    (version "1.2.8")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/magit/git-modes/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0h49f68yn0q4lg054adqii4qja1z2pzybm7nf4kvpq7fzjrzgv1q"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/magit/git-modes")
-    (synopsis "Emacs major modes for Git configuration files")
-    (description
-     "This package provides Emacs major modes for editing various Git
-configuration files, such as .gitattributes, .gitignore, and .git/config.")
-    (license license:gpl3+)))
-
-(define-public git-modes/old-name
-  (deprecated-package "git-modes" git-modes))
-
-(define-public emacs-with-editor
-  (package
-    (name "emacs-with-editor")
-    (version "2.8.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/magit/with-editor.git")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1bbzvxnjpxqyvi808isld025b3pcidn4r2xf8hnk9bmzcfdvdr6q"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)))
-    (home-page "https://github.com/magit/with-editor")
-    (synopsis "Emacs library for using Emacsclient as EDITOR")
-    (description
-     "This package provides an Emacs library to use the Emacsclient as
-@code{$EDITOR} of child processes, making sure they know how to call home.
-For remote processes a substitute is provided, which communicates with Emacs
-on stdout instead of using a socket as the Emacsclient does.")
-    (license license:gpl3+)))
-
-(define-public emacs-magit
-  (package
-    (name "emacs-magit")
-    (version "2.13.0")
-    (source (origin
-             (method url-fetch)
-             (uri (string-append
-                   "https://github.com/magit/magit/releases/download/"
-                   version "/magit-" version ".tar.gz"))
-             (sha256
-              (base32
-               "1ygaah3dd3nxpyd17297xgvdcgr7pgzzwlmpnmchki0kiwgg3sbc"))))
-    (build-system gnu-build-system)
-    (native-inputs `(("texinfo" ,texinfo)
-                     ("emacs" ,emacs-minimal)))
-    (inputs
-     `(("git" ,git)
-       ("perl" ,perl)))
-    (propagated-inputs
-     `(("dash" ,emacs-dash)
-       ("ghub" ,emacs-ghub)
-       ("magit-popup" ,emacs-magit-popup)
-       ("with-editor" ,emacs-with-editor)))
-    (arguments
-     `(#:test-target "test"
-       #:tests? #f               ; tests are not included in the release
-
-       #:make-flags
-       (list (string-append "PREFIX=" %output)
-             ;; Don't put .el files in a sub-directory.
-             (string-append "lispdir=" %output "/share/emacs/site-lisp")
-             (string-append "DASH_DIR="
-                            (assoc-ref %build-inputs "dash")
-                            "/share/emacs/site-lisp/guix.d/dash-"
-                            ,(package-version emacs-dash))
-             (string-append "GHUB_DIR="
-                            (assoc-ref %build-inputs "ghub")
-                            "/share/emacs/site-lisp/guix.d/ghub-"
-                            ,(package-version emacs-ghub))
-             (string-append "MAGIT_POPUP_DIR="
-                            (assoc-ref %build-inputs "magit-popup")
-                            "/share/emacs/site-lisp/guix.d/magit-popup-"
-                            ,(package-version emacs-magit-popup))
-             (string-append "WITH_EDITOR_DIR="
-                            (assoc-ref %build-inputs "with-editor")
-                            "/share/emacs/site-lisp/guix.d/with-editor-"
-                            ,(package-version emacs-with-editor)))
-
-       #:phases
-       (modify-phases %standard-phases
-         (delete 'configure)
-         (add-before
-          'build 'patch-exec-paths
-          (lambda* (#:key inputs #:allow-other-keys)
-            (let ((perl (assoc-ref inputs "perl")))
-              (substitute* "lisp/magit-sequence.el"
-                (("perl") (string-append perl "/bin/perl")))
-              #t))))))
-    (home-page "https://magit.vc/")
-    (synopsis "Emacs interface for the Git version control system")
-    (description
-     "With Magit, you can inspect and modify your Git repositories with Emacs.
-You can review and commit the changes you have made to the tracked files, for
-example, and you can browse the history of past changes.  There is support for
-cherry picking, reverting, merging, rebasing, and other common Git
-operations.")
-    (license license:gpl3+)))
-
-(define-public magit
-  (deprecated-package "magit" emacs-magit))
-
-(define-public emacs-magit-svn
-  (package
-    (name "emacs-magit-svn")
-    (version "2.2.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/magit/magit-svn/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1c3n377v436zaxamlsz04y1ahdhp96x1vd43zaryv4y10m02ba47"))))
-    (build-system trivial-build-system)
-    (native-inputs `(("emacs" ,emacs-minimal)
-                     ("tar" ,tar)
-                     ("gzip" ,gzip)))
-    (propagated-inputs `(("dash" ,emacs-dash)
-                         ("with-editor" ,emacs-with-editor)
-                         ("magit" ,emacs-magit)))
-    (arguments
-     `(#:modules ((guix build utils)
-                  (guix build emacs-utils))
-
-       #:builder
-       (begin
-         (use-modules (guix build utils)
-                      (guix build emacs-utils))
-
-         (let* ((tar      (string-append (assoc-ref %build-inputs "tar")
-                                         "/bin/tar"))
-                (PATH     (string-append (assoc-ref %build-inputs "gzip")
-                                         "/bin"))
-                (emacs    (string-append (assoc-ref %build-inputs "emacs")
-                                         "/bin/emacs"))
-                (magit    (string-append (assoc-ref %build-inputs "magit")
-                                         "/share/emacs/site-lisp"))
-                (dash     (string-append (assoc-ref %build-inputs "dash")
-                                         "/share/emacs/site-lisp/guix.d/dash-"
-                                         ,(package-version emacs-dash)))
-                (with-editor (string-append (assoc-ref %build-inputs "with-editor")
-                                            "/share/emacs/site-lisp/guix.d/with-editor-"
-                                            ,(package-version emacs-with-editor)))
-                (source   (assoc-ref %build-inputs "source"))
-                (lisp-dir (string-append %output "/share/emacs/site-lisp")))
-           (setenv "PATH" PATH)
-           (invoke tar "xvf" source)
-
-           (install-file (string-append "magit-svn-" ,version "/magit-svn.el")
-                         lisp-dir)
-
-           (with-directory-excursion lisp-dir
-             (parameterize ((%emacs emacs))
-               (emacs-generate-autoloads ,name lisp-dir)
-               (setenv "EMACSLOADPATH"
-                       (string-append ":" magit ":" dash ":" with-editor))
-               (emacs-batch-eval '(byte-compile-file "magit-svn.el"))))
-           #t))))
-    (home-page "https://github.com/magit/magit-svn")
-    (synopsis "Git-SVN extension to Magit")
-    (description
-     "This package is an extension to Magit, the Git Emacs mode, providing
-support for Git-SVN.")
-    (license license:gpl3+)))
-
-(define-public magit-svn
-  (deprecated-package "magit-svn" emacs-magit-svn))
-
-(define-public emacs-magit-popup
-  (package
-    (name "emacs-magit-popup")
-    (version "2.12.5")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/magit/magit-popup.git")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "13riknyqr6vxqll80sfhvz165flvdz367rbd0pr5slb01bnfsi2i"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'install 'make-info
-           (lambda _
-             (invoke "make" "info"))))))
-    (native-inputs
-     `(("texinfo" ,texinfo)))
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)))
-    (home-page "https://github.com/magit/magit-popup")
-    (synopsis "Define prefix-infix-suffix command combos")
-    (description
-     "This library implements a generic interface for toggling switches and
-setting options and then invoking an Emacs command which does something with
-these arguments.  The prototypical use is for the command to call an external
-process, passing on the arguments as command line arguments.")
-    (license license:gpl3+)))
-
-(define-public emacs-treepy
-  (package
-    (name "emacs-treepy")
-    (version "0.1.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/volrath/treepy.el.git")
-                    (commit version)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "04zwm6gx9pxfvgfkizx6pvb1ql8pqxjyzqp8flz0432x0gq5nlxk"))))
-    (build-system emacs-build-system)
-    (home-page
-     "https://github.com/volrath/treepy.el")
-    (synopsis "Tree traversal tools")
-    (description
-     "Generic tools for recursive and iterative tree traversal based on
-clojure.walk and clojure.zip respectively.")
-    (license license:gpl3+)))
-
-(define-public emacs-graphql
-  (package
-   (name "emacs-graphql")
-   (version "0.1.1")
-   (source (origin
-             (modules '((guix build utils)))
-             ;; Remove examples file with references to external packages as
-             ;; they do not exist at compilation time.
-             (snippet
-              '(begin (delete-file "examples.el")
-                 #t))
-             (method git-fetch)
-             (uri (git-reference
-                   (url "https://github.com/vermiculus/graphql.el.git")
-                   (commit version)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "0sp0skc1rnhi39szfbq1i99pdgd3bhn4c15cff05iqhjy2d4hniw"))))
-   (build-system emacs-build-system)
-   (home-page
-    "https://github.com/vermiculus/graphql.el")
-   (synopsis "GraphQL utilities")
-   (description
-    "GraphQL.el provides a generally-applicable domain-specific language for
-creating and executing GraphQL queries against your favorite web services.
-GraphQL is a data query language and runtime designed and used to request and
-deliver data to mobile and web apps.")
-   (license license:gpl3+)))
-
-(define-public emacs-ghub
-  (package
-    (name "emacs-ghub")
-    (version "2.0.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/magit/ghub/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0d0qj5r1bm2aidi61rigrdaycxnyb7y1ivb3h8rpvvapsf8sk7z0"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'install 'make-info
-           (lambda _
-             (invoke "make" "info"))))))
-    (native-inputs
-     `(("texinfo" ,texinfo)))
-    (home-page "https://github.com/magit/ghub")
-    (synopsis "Emacs client library for Github API and Gitlab API")
-    (description
-     "This package provides 2 files: @file{ghub.el} and @file{glab.el},
-which are the libraries that provide basic support for using the Github and
-Gitlab APIs from Emacs packages.  It abstracts access to API resources using
-only a handful of functions that are not resource-specific.")
-    (license license:gpl3+)))
-
-(define-public emacs-scribble-mode
-  (let ((commit "34e9e5edb921813b6483e0fefa848efb6ee4b314")
-        (version "0.0")
-        (revision 0))
-    (package
-      (name "emacs-scribble-mode")
-      (version (if (zero? revision)
-                   version
-                   (string-append version "-"
-                                  (number->string revision)
-                                  "." (string-take commit 7))))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/emacs-pe/scribble-mode.git")
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "0598byqpz2q6yi2q4dwd77jj9z3n99z34d3an51s9m2za0nh1qvp"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/emacs-pe/scribble-mode")
-      (synopsis "Emacs mode for editing the Scribble documentation syntax.")
-      (description
-       "This package provides basic syntax highlighting and editing support
-for editing Racket's Scribble documentation syntax in Emacs.")
-      (license license:gpl3+))))
-
-(define-public emacs-haskell-mode
-  (package
-    (name "emacs-haskell-mode")
-    (version "16.1")
-    (source (origin
-              (method url-fetch)
-              (file-name (string-append name "-" version ".tar.gz"))
-              (uri (string-append
-                    "https://github.com/haskell/haskell-mode/archive/v"
-                    version ".tar.gz"))
-              (sha256
-               (base32 "0g6lcjw7lcgavv3yrd8xjcyqgfyjl787y32r1z14amw2f009m78h"))
-              (patches
-               (search-patches ; backport test failure fixes
-                "haskell-mode-unused-variables.patch"
-                "haskell-mode-make-check.patch"))))
-    (inputs
-     `(("emacs-el-search" ,emacs-el-search) ; for tests
-       ("emacs-stream" ,emacs-stream)))     ; for tests
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)))
-    (native-inputs
-     `(("emacs" ,emacs-minimal)
-       ("texinfo" ,texinfo)))
-    (build-system gnu-build-system)
-    (arguments
-     `(#:make-flags (list (string-append "EMACS="
-                                         (assoc-ref %build-inputs "emacs")
-                                         "/bin/emacs"))
-       #:modules ((ice-9 match)
-                  (srfi srfi-26)
-                  ,@%gnu-build-system-modules)
-       #:phases
-       (modify-phases %standard-phases
-         (delete 'configure)
-         (add-before
-          'build 'pre-build
-          (lambda* (#:key inputs #:allow-other-keys)
-            (define (el-dir store-dir)
-              (match (find-files store-dir "\\.el$")
-                ((f1 f2 ...) (dirname f1))
-                (_ "")))
-
-            (let ((sh (string-append (assoc-ref inputs "bash") "/bin/sh")))
-              (define emacs-prefix? (cut string-prefix? "emacs-" <>))
-
-              (setenv "SHELL" "sh")
-              (setenv "EMACSLOADPATH"
-                      (string-concatenate
-                       (map (match-lambda
-                              (((? emacs-prefix? name) . dir)
-                               (string-append (el-dir dir) ":"))
-                              (_ ""))
-                            inputs)))
-              (substitute* (find-files "." "\\.el") (("/bin/sh") sh))
-              ;; embed filename to fix test failure
-              (let ((file "tests/haskell-cabal-tests.el"))
-                (substitute* file
-                  (("\\(buffer-file-name\\)")
-                   (format #f "(or (buffer-file-name) ~s)" file))))
-              #t)))
-         (replace
-          'install
-          (lambda* (#:key outputs #:allow-other-keys)
-            (let* ((out (assoc-ref outputs "out"))
-                   (el-dir (string-append out "/share/emacs/site-lisp"))
-                   (doc (string-append
-                         out "/share/doc/haskell-mode-" ,version))
-                   (info (string-append out "/share/info")))
-              (define (copy-to-dir dir files)
-                (for-each (lambda (f)
-                            (install-file f dir))
-                          files))
-
-              (with-directory-excursion "doc"
-                (invoke "makeinfo" "haskell-mode.texi")
-                (install-file "haskell-mode.info" info))
-               (copy-to-dir doc '("CONTRIBUTING.md" "NEWS" "README.md"))
-               (copy-to-dir el-dir (find-files "." "\\.elc?"))
-               ;; These are part of other packages.
-               (with-directory-excursion el-dir
-                 (for-each delete-file '("dash.el" "ert.el")))
-               #t))))))
-    (home-page "https://github.com/haskell/haskell-mode")
-    (synopsis "Haskell mode for Emacs")
-    (description
-     "This is an Emacs mode for editing, debugging and developing Haskell
-programs.")
-    (license license:gpl3+)))
-
-(define-public haskell-mode
-  (deprecated-package "haskell-mode" emacs-haskell-mode))
-
-(define-public emacs-flycheck
-  (package
-    (name "emacs-flycheck")
-    (version "31")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/flycheck/flycheck/releases/download/"
-                    version "/flycheck-" version ".tar"))
-              (sha256
-               (base32
-                "01rnwan16m7cyyrfca3c5c60mbj2r3knkpzbhji2fczsf0wns240"))
-              (modules '((guix build utils)))
-              (snippet `(begin
-                          ;; Change 'flycheck-version' so that it does not
-                          ;; attempt to get its version from pkg-info.el.
-                          (substitute* "flycheck.el"
-                            (("\\(pkg-info-version-info 'flycheck\\)")
-                             (string-append "\"" ,version "\"")))
-                          #t))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)))
-    (home-page "https://www.flycheck.org")
-    (synopsis "On-the-fly syntax checking")
-    (description
-     "This package provides on-the-fly syntax checking for GNU Emacs.  It is a
-replacement for the older Flymake extension which is part of GNU Emacs, with
-many improvements and additional features.
-
-Flycheck provides fully-automatic, fail-safe, on-the-fly background syntax
-checking for over 30 programming and markup languages with more than 70
-different tools.  It highlights errors and warnings inline in the buffer, and
-provides an optional IDE-like error list.")
-    (license license:gpl3+)))                     ;+GFDLv1.3+ for the manual
-
-(define-public emacs-a
-  (package
-    (name "emacs-a")
-    (version "0.1.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/plexus/a.el.git")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "00v9w6qg3bkwdhypq0ssf0phdh0f4bcq59c20lngd6vhk0204dqi"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/plexus/a.el/")
-    (synopsis
-     "Emacs library for dealing with association lists and hash tables")
-    (description "@code{emacs-a} provides Emacs Lisp functions for dealing
-with associative structures in a uniform and functional way.  These functions
-can take association lists, hash tables, and in some cases vectors (where the
-index is considered the key).")
-    (license license:gpl3+)))
-
-
-;;;
-;;; Web browsing.
-;;;
-
-(define-public emacs-w3m
-  ;; Emacs-w3m follows a "rolling release" model.
-  (package
-    (name "emacs-w3m")
-    (version "2018-11-11")
-    (source (origin
-              (method cvs-fetch)
-              (uri (cvs-reference
-                    (root-directory
-                     ":pserver:anonymous@cvs.namazu.org:/storage/cvsroot")
-                    (module "emacs-w3m")
-                    (revision version)))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "0nvahdbjs12zg7zsk4gql02mvnv56cf1rwj2f5p42lwp3xvswiwp"))))
-    (build-system gnu-build-system)
-    (native-inputs `(("autoconf" ,autoconf)
-                     ("texinfo" ,texinfo)
-                     ("emacs" ,emacs-minimal)))
-    (inputs `(("w3m" ,w3m)
-              ("imagemagick" ,imagemagick)))
-    (arguments
-     `(#:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils))
-       #:imported-modules (,@%gnu-build-system-modules
-                           (guix build emacs-utils))
-       #:configure-flags
-       (let ((out (assoc-ref %outputs "out")))
-         (list (string-append "--with-lispdir="
-                              out "/share/emacs/site-lisp")
-               (string-append "--with-icondir="
-                              out "/share/images/emacs-w3m")
-               ;; Leave .el files uncompressed, otherwise GC can't
-               ;; identify run-time dependencies.  See
-               ;; <http://lists.gnu.org/archive/html/guix-devel/2015-12/msg00208.html>
-               "--without-compress-install"))
-       #:tests? #f                              ; no check target
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'autoconf
-           (lambda _
-             (invoke "autoconf")))
-         (add-before 'configure 'support-emacs!
-           (lambda _
-             ;; For some reason 'AC_PATH_EMACS' thinks that 'Emacs 26' is
-             ;; unsupported.
-             (substitute* "configure"
-               (("EMACS_FLAVOR=unsupported")
-                "EMACS_FLAVOR=emacs"))
-             #t))
-         (add-before 'build 'patch-exec-paths
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out"))
-                   (w3m (assoc-ref inputs "w3m"))
-                   (imagemagick (assoc-ref inputs "imagemagick"))
-                   (coreutils (assoc-ref inputs "coreutils")))
-               (make-file-writable "w3m.el")
-               (emacs-substitute-variables "w3m.el"
-                 ("w3m-command" (string-append w3m "/bin/w3m"))
-                 ("w3m-touch-command"
-                  (string-append coreutils "/bin/touch"))
-                 ("w3m-icon-directory"
-                  (string-append out "/share/images/emacs-w3m")))
-               (make-file-writable "w3m-image.el")
-               (emacs-substitute-variables "w3m-image.el"
-                 ("w3m-imagick-convert-program"
-                  (string-append imagemagick "/bin/convert"))
-                 ("w3m-imagick-identify-program"
-                  (string-append imagemagick "/bin/identify")))
-               #t)))
-         (replace 'install
-           (lambda* (#:key outputs #:allow-other-keys)
-             (invoke "make" "install" "install-icons")
-             (with-directory-excursion
-                 (string-append (assoc-ref outputs "out")
-                                "/share/emacs/site-lisp")
-               (for-each delete-file '("ChangeLog" "ChangeLog.1"))
-               (symlink "w3m-load.el" "w3m-autoloads.el")
-               #t))))))
-    (home-page "http://emacs-w3m.namazu.org/")
-    (synopsis "Simple Web browser for Emacs based on w3m")
-    (description
-     "Emacs-w3m is an emacs interface for the w3m web browser.")
-    (license license:gpl2+)))
-
-(define-public emacs-wget
-  (package
-    (name "emacs-wget")
-    (version "0.5.0")
-    (source (origin
-             (method url-fetch)
-             (uri (string-append "mirror://debian/pool/main/w/wget-el/wget-el_"
-                                 version ".orig.tar.gz"))
-             (sha256
-              (base32 "10byvyv9dk0ib55gfqm7bcpxmx2qbih1jd03gmihrppr2mn52nff"))))
-    (build-system gnu-build-system)
-    (inputs `(("wget" ,wget)))
-    (native-inputs `(("emacs" ,emacs-minimal)))
-    (arguments
-     `(#:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils))
-       #:imported-modules (,@%gnu-build-system-modules
-                           (guix build emacs-utils))
-       #:tests? #f  ; no check target
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'configure
-           (lambda* (#:key outputs #:allow-other-keys)
-             (substitute* "Makefile"
-               (("/usr/local") (assoc-ref outputs "out"))
-               (("/site-lisp/emacs-wget") "/site-lisp"))
-             #t))
-         (add-before 'build 'patch-exec-paths
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((wget (assoc-ref inputs "wget")))
-               (emacs-substitute-variables "wget.el"
-                 ("wget-command" (string-append wget "/bin/wget"))))
-             #t))
-         (add-after 'install 'post-install
-           (lambda* (#:key outputs #:allow-other-keys)
-             (emacs-generate-autoloads
-              "wget" (string-append (assoc-ref outputs "out")
-                                    "/share/emacs/site-lisp/"))
-             #t)))))
-    (home-page "http://www.emacswiki.org/emacs/EmacsWget")
-    (synopsis "Simple file downloader for Emacs based on wget")
-    (description
-     "Emacs-wget is an emacs interface for the wget file downloader.")
-    (license license:gpl2+)))
-
-
-;;;
-;;; Multimedia.
-;;;
-
-(define-public emacs-emms
-  (package
-    (name "emacs-emms")
-    (version "5.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "mirror://gnu/emms/emms-"
-                                  version ".tar.gz"))
-              (sha256
-               (base32
-                "149ddczyx6x10zn4mn8g0rll1rwf4yciv8x6j0qdnlbwszblx2x6"))
-              (modules '((guix build utils)))
-              (snippet
-               '(begin
-                  (substitute* "Makefile"
-                    (("/usr/bin/install-info")
-                     ;; No need to use 'install-info' since it would create a
-                     ;; useless 'dir' file.
-                     "true")
-                    (("^INFODIR=.*")
-                     ;; Install Info files to $out/share/info, not $out/info.
-                     "INFODIR := $(PREFIX)/share/info\n")
-                    (("/site-lisp/emms")
-                     ;; Install directly in share/emacs/site-lisp, not in a
-                     ;; sub-directory.
-                     "/site-lisp")
-                    (("^all: (.*)\n" _ rest)
-                     ;; Build 'emms-print-metadata'.
-                     (string-append "all: " rest " emms-print-metadata\n")))
-                  #t))))
-    (build-system gnu-build-system)
-    (arguments
-     `(#:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils)
-                  (ice-9 ftw))
-       #:imported-modules (,@%gnu-build-system-modules
-                           (guix build emacs-utils))
-
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'configure
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((out     (assoc-ref outputs "out"))
-                   (flac    (assoc-ref inputs "flac"))
-                   (vorbis  (assoc-ref inputs "vorbis-tools"))
-                   (alsa    (assoc-ref inputs "alsa-utils"))
-                   (mpg321  (assoc-ref inputs "mpg321"))
-                   (mp3info (assoc-ref inputs "mp3info"))
-                   (opus    (assoc-ref inputs "opus-tools")))
-               ;; Specify the installation directory.
-               (substitute* "Makefile"
-                 (("PREFIX=.*$")
-                  (string-append "PREFIX := " out "\n")))
-
-               (setenv "SHELL" (which "sh"))
-               (setenv "CC" "gcc")
-
-               ;; Specify the absolute file names of the various
-               ;; programs so that everything works out-of-the-box.
-               (with-directory-excursion "lisp"
-                 (emacs-substitute-variables
-                     "emms-player-mpg321-remote.el"
-                   ("emms-player-mpg321-remote-command"
-                    (string-append mpg321 "/bin/mpg321")))
-                 (substitute* "emms-player-simple.el"
-                   (("\"ogg123\"")
-                    (string-append "\"" vorbis "/bin/ogg123\"")))
-                 (substitute* "emms-player-simple.el"
-                   (("\"mpg321\"")
-                    (string-append "\"" mpg321 "/bin/mpg321\"")))
-                 (emacs-substitute-variables "emms-info-ogginfo.el"
-                   ("emms-info-ogginfo-program-name"
-                    (string-append vorbis "/bin/ogginfo")))
-                 (emacs-substitute-variables "emms-info-opusinfo.el"
-                   ("emms-info-opusinfo-program-name"
-                    (string-append opus "/bin/opusinfo")))
-                 (emacs-substitute-variables "emms-info-libtag.el"
-                   ("emms-info-libtag-program-name"
-                    (string-append out "/bin/emms-print-metadata")))
-                 (emacs-substitute-variables "emms-info-mp3info.el"
-                   ("emms-info-mp3info-program-name"
-                    (string-append mp3info "/bin/mp3info")))
-                 (emacs-substitute-variables "emms-info-metaflac.el"
-                   ("emms-info-metaflac-program-name"
-                    (string-append flac "/bin/metaflac")))
-                 (emacs-substitute-variables "emms-source-file.el"
-                   ("emms-source-file-gnu-find" (which "find")))
-                 (substitute* "emms-volume-amixer.el"
-                   (("\"amixer\"")
-                    (string-append "\"" alsa "/bin/amixer\"")))
-                 (substitute* "emms-tag-editor.el"
-                   (("\"mp3info\"")
-                    (string-append "\"" mp3info "/bin/mp3info\"")))))))
-         (add-before 'install 'pre-install
-           (lambda* (#:key outputs #:allow-other-keys)
-             ;; The 'install' rule expects the target directories to exist.
-             (let* ((out  (assoc-ref outputs "out"))
-                    (bin  (string-append out "/bin"))
-                    (man1 (string-append out "/share/man/man1")))
-               (mkdir-p bin)
-               (mkdir-p man1)
-
-               ;; Ensure that files are not rejected by gzip
-               (let ((early-1980 315619200)) ; 1980-01-02 UTC
-                 (ftw "." (lambda (file stat flag)
-                            (unless (<= early-1980 (stat:mtime stat))
-                              (utime file early-1980 early-1980))
-                            #t)))
-               #t)))
-         (add-after 'install 'post-install
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out")))
-               (symlink "emms-auto.el"
-                        (string-append out "/share/emacs/site-lisp/"
-                                       "emms-autoloads.el")))
-             #t)))
-       #:tests? #f))
-    (native-inputs `(("emacs" ,emacs-minimal)    ;for (guix build emacs-utils)
-                     ("texinfo" ,texinfo)))
-    (inputs `(("alsa-utils" ,alsa-utils)
-              ("flac" ,flac)            ;for metaflac
-              ("vorbis-tools" ,vorbis-tools)
-              ("mpg321" ,mpg321)
-              ("taglib" ,taglib)
-              ("mp3info" ,mp3info)
-              ("opus-tools" ,opus-tools)))
-    (properties '((upstream-name . "emms")))
-    (synopsis "Emacs Multimedia System")
-    (description
-     "EMMS is the Emacs Multimedia System.  It is a small front-end which
-can control one of the supported external players.  Thus, it supports
-whatever formats are supported by your music player.  It also
-supports tagging and playlist management, all behind a clean and
-light user interface.")
-    (home-page "https://www.gnu.org/software/emms/")
-    (license license:gpl3+)))
-
-(define-public emacs-emms-player-mpv
-  ;; A new mpv backend is included in Emms from 5.0.
-  (deprecated-package "emacs-emms-player-mpv" emacs-emms))
-
-(define-public emacs-emms-mode-line-cycle
-  (package
-    (name "emacs-emms-mode-line-cycle")
-    (version "0.2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/momomo5717/emms-mode-line-cycle"
-                           "/archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0ifszi930pnaxk1x8pcydmvnp06868gc7nfx14q17zbajbx735k6"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emms" ,emacs-emms)))
-    (home-page "https://github.com/momomo5717/emms-mode-line-cycle")
-    (synopsis "Display the EMMS mode line as a ticker")
-    (description
-     "This is a minor mode for updating the EMMS mode-line string cyclically
-within a specified width.  It is useful for displaying long track titles.")
-    (license license:gpl3+)))
-
-
-;;;
-;;; Miscellaneous.
-;;;
-
-(define-public emacs-bbdb
-  (package
-    (name "emacs-bbdb")
-    (version "3.1.2")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "mirror://savannah/bbdb/bbdb-"
-                                  version ".tar.gz"))
-              (sha256
-               (base32
-                "1gs16bbpiiy01w9pyg12868r57kx1v3hnw04gmqsmpc40l1hyy05"))
-              (modules '((guix build utils)))
-              (snippet
-               ;; We don't want to build and install the PDF.
-               '(begin
-                  (substitute* "doc/Makefile.in"
-                    (("^doc_DATA = .*$")
-                     "doc_DATA =\n"))
-                  #t))))
-    (build-system gnu-build-system)
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'post-install
-           (lambda* (#:key outputs #:allow-other-keys)
-             ;; Add an autoloads file with the right name for guix.el.
-             (let* ((out  (assoc-ref outputs "out"))
-                    (site (string-append out "/share/emacs/site-lisp")))
-               (with-directory-excursion site
-                 (symlink "bbdb-loaddefs.el" "bbdb-autoloads.el")))
-             #t)))))
-    (native-inputs `(("emacs" ,emacs-minimal)))
-    (home-page "https://savannah.nongnu.org/projects/bbdb/")
-    (synopsis "Contact management utility for Emacs")
-    (description
-     "BBDB is the Insidious Big Brother Database for GNU Emacs.  It provides
-an address book for email and snail mail addresses, phone numbers and the
-like.  It can be linked with various Emacs mail clients (Message and Mail
-mode, Rmail, Gnus, MH-E, and VM).  BBDB is fully customizable.")
-    (license license:gpl3+)))
-
-(define-public bbdb
-  (deprecated-package "bbdb" emacs-bbdb))
-
-(define-public emacs-aggressive-indent
-  (package
-    (name "emacs-aggressive-indent")
-    (version "1.8.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/"
-                                  "aggressive-indent-" version ".el"))
-              (sha256
-               (base32
-                "0jnzccl50x0wapprgwxinp99pwwa6j43q6msn4gv437j7swy8wnj"))))
-    (build-system emacs-build-system)
-    (home-page "https://elpa.gnu.org/packages/aggressive-indent.html")
-    (synopsis "Minor mode to aggressively keep your code always indented")
-    (description
-     "@code{aggressive-indent-mode} is a minor mode that keeps your code
-always indented.  It reindents after every change, making it more reliable
-than @code{electric-indent-mode}.")
-    (license license:gpl2+)))
-
-(define-public emacs-ag
-  (package
-    (name "emacs-ag")
-    (version "0.47")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/Wilfred/ag.el/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1rlmp6wnyhqfg86dbz17r914msp58favn4kd4yrdwyia265a4lar"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'install 'make-info
-           (lambda _
-             (with-directory-excursion "docs"
-               (invoke "make" "info"))))
-         (add-after 'install 'install-info
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let* ((out  (assoc-ref outputs "out"))
-                    (info (string-append out "/share/info")))
-               (install-file "docs/_build/texinfo/agel.info" info)
-               #t))))))
-    (native-inputs
-     `(("python-sphinx" ,python-sphinx)
-       ("texinfo" ,texinfo)))
-    (propagated-inputs
-     `(("dash" ,emacs-dash)
-       ("s" ,emacs-s)
-       ;; We need to use 'ag' as the executable on remote systems.
-       ("the-silver-searcher" ,the-silver-searcher)))
-    (home-page "https://github.com/Wilfred/ag.el")
-    (synopsis "Front-end for ag (the-silver-searcher) for Emacs")
-    (description "This package provides the ability to use the silver
-searcher, a code searching tool, sometimes abbreviated to @code{ag}.  Features
-include version control system awareness, use of Perl compatible regular
-expressions, editing the search results directly and searching file names
-rather than the contents of files.")
-    (license license:gpl3+)))
-
-(define-public emacs-async
-  (package
-    (name "emacs-async")
-    (home-page "https://github.com/jwiegley/emacs-async")
-    (version "1.9.3")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url home-page)
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1zsnb6dy8p6y68xgidv3dfxaga4biramfw8fq7wac0sc50vc98vq"))))
-    (build-system emacs-build-system)
-    (synopsis "Asynchronous processing in Emacs")
-    (description
-     "This package provides the ability to call asynchronous functions and
-processes.  For example, it can be used to run dired commands (for copying,
-moving, etc.) asynchronously using @code{dired-async-mode}.  Also it is used
-as a library for other Emacs packages.")
-    (license license:gpl3+)))
-
-(define-public emacs-auctex
-  (package
-    (name "emacs-auctex")
-    (version "12.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://elpa.gnu.org/packages/auctex-"
-             version
-             ".tar"))
-       (sha256
-        (base32
-         "0iy5x61xqkxaph2hq64sg50l1c6yp6qhzppwadayxkdz00b46sas"))))
-    (build-system emacs-build-system)
-    ;; We use 'emacs' because AUCTeX requires dbus at compile time
-    ;; ('emacs-minimal' does not provide dbus).
-    (arguments
-     `(#:emacs ,emacs
-       #:include '("\\.el$" "^images/" "^latex/" "\\.info$")
-       #:exclude '("^tests/" "^latex/README")))
-    (native-inputs
-     `(("perl" ,perl)))
-    (home-page "https://www.gnu.org/software/auctex/")
-    (synopsis "Integrated environment for TeX")
-    (description
-     "AUCTeX is a comprehensive customizable integrated environment for
-writing input files for TeX, LaTeX, ConTeXt, Texinfo, and docTeX using Emacs
-or XEmacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-autothemer
-  (package
-    (name "emacs-autothemer")
-    (version "0.2.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/sebastiansturm/autothemer/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0rd28r9wfrbll212am4ih9hrvypx785aff76va2cbfxdwm9kixsa"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)))
-    (home-page "https://github.com/sebastiansturm/autothemer")
-    (synopsis "Conveniently create Emacs themes")
-    (description
-     "Autothemer provides a thin layer on top of @code{deftheme} and
-@code{custom-theme-set-faces} that creates a new custom color theme, based on
-a set of simplified face specifications and a user-supplied color palette")
-    (license license:gpl3+)))
-
-(define-public emacs-howm
-  (package
-    (name "emacs-howm")
-    (version "1.4.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "http://howm.sourceforge.jp/a/howm-"
-                           version ".tar.gz"))
-       (sha256
-        (base32
-         "0ddm91l6z58j7x59fa966j6q1rg4cinyza4r8ibg80hprn5h31qk"))))
-    (build-system gnu-build-system)
-    (native-inputs
-     `(("emacs" ,emacs-minimal)))
-    (arguments
-     `(#:configure-flags
-       (list (string-append "--with-howmdir=" %output
-                            "/share/emacs/site-lisp/guix.d/howm-" ,version))
-       #:modules ((guix build gnu-build-system)
-                  ((guix build emacs-build-system) #:prefix emacs:)
-                  (guix build utils))
-       #:imported-modules (,@%gnu-build-system-modules
-                           (guix build emacs-build-system)
-                           (guix build emacs-utils))
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'make-autoloads
-           (assoc-ref emacs:%standard-phases 'make-autoloads)))))
-    (home-page "http://howm.osdn.jp/")
-    (synopsis "Note-taking tool for Emacs")
-    (description "Howm is a note-taking tool for Emacs.  Like
-code@{emacs-wiki.el}, it facilitates using hyperlinks and doing full-text
-searches.  Unlike code@{emacs-wiki.el}, it can be combined with any format.")
-    (license license:gpl1+)))
-
-(define-public emacs-calfw
-  (package
-    (name "emacs-calfw")
-    (version "1.6")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/kiwanami/emacs-calfw/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1zr91xr0f1xfcv78yxka8vs5ximmq2ixmqf2pkb57kwwnxlypq4i"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-howm" ,emacs-howm)))
-    (home-page "https://github.com/kiwanami/emacs-calfw/")
-    (synopsis "Calendar framework for Emacs")
-    (description
-     "This package displays a calendar view with various schedule data in the
-Emacs buffer.")
-    (license license:gpl3+)))
-
-(define-public emacs-direnv
-  (package
-    (name "emacs-direnv")
-    (version "1.2.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/wbolster/emacs-direnv/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0m9nxawklhiiysyibzzhh2zkxgq1fskqvaqb06f7r8dnhabfy9fr"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("dash" ,emacs-dash)
-       ("with-editor" ,emacs-with-editor)))
-    (home-page "https://github.com/wbolster/emacs-direnv")
-    (synopsis "Direnv integration for Emacs")
-    (description
-     "This package provides support for invoking direnv to get the environment
-for the current file and updating the environment within Emacs to match.
-
-Direnv can be invoked manually, and a global minor mode is included that will
-update the environment when the active buffer changes.
-
-Using emacs-direnv means that programs started from Emacs will use the
-environment set through Direnv.")
-    (license license:gpl3+)))
-
-(define-public emacs-ggtags
-  (package
-    (name "emacs-ggtags")
-    (version "0.8.13")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "http://elpa.gnu.org/packages/ggtags-"
-                           version ".el"))
-       (sha256
-        (base32
-         "1qa7lcrcmf76sf6dy8sxbg4adq7rg59fm0n5848w3qxgsr0h45fg"))))
-    (build-system emacs-build-system)
-    (inputs
-     `(("global" ,global)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'configure
-           (lambda* (#:key inputs #:allow-other-keys)
-             (chmod "ggtags.el" #o644)
-             (emacs-substitute-variables "ggtags.el"
-               ("ggtags-executable-directory"
-                (string-append (assoc-ref inputs "global") "/bin")))
-             #t)))))
-    (home-page "https://github.com/leoliu/ggtags")
-    (synopsis "Frontend to the GNU Global source code tagging system")
-    (description "@code{ggtags} provides a frontend to the GNU Global source
-code tagging system.
-
-Features:
-
-@itemize
-@item Build on @code{compile.el} for asynchronicity and its large feature-set.
-@item Automatically update Global's tag files when needed with tuning for
-large source trees.
-@item Intuitive navigation among multiple matches with mode-line display of
-current match, total matches and exit status.
-@item Read tag with completion.
-@item Show definition at point.
-@item Jump to #include files.
-@item Support search history and saving a search to register/bookmark.
-@item Query replace.
-@item Manage Global's environment variables on a per-project basis.
-@item Highlight (definition) tag at point.
-@item Abbreviated display of file names.
-@item Support all Global search backends: @code{grep}, @code{idutils}, etc.
-@item Support exuberant ctags @url{http://ctags.sourceforge.net/} and
-@code{pygments} backend.
-@item Support all Global's output formats: @code{grep}, @code{ctags-x},
-@code{cscope} etc.
-@item Support projects on remote hosts (e.g. via @code{tramp}).
-@item Support eldoc.
-@item Search @code{GTAGSLIBPATH} for references and symbols.
-@end itemize\n")
-    (license license:gpl3+)))
-
-(define-public emacs-go-mode
-  (package
-    (name "emacs-go-mode")
-    (version "1.5.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/dominikh/go-mode.el.git")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1nd2h50yb0493wvf1h7fzplq45rmqn2w7kxpgnlxzhkvq99v8vzf"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'make-writable
-           (lambda _
-             (for-each make-file-writable (find-files "." "\\.el$"))
-             #t)))))
-    (home-page "https://github.com/dominikh/go-mode.el")
-    (synopsis "Go mode for Emacs")
-    (description
-     "This package provides go-mode, an Emacs mode for working with software
-written in the Go programming language.")
-    (license license:bsd-3)))
-
-(define-public emacs-google-maps
-  (package
-    (name "emacs-google-maps")
-    (version "1.0.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/jd/google-maps.el/"
-                                  "archive/" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "014bxapm4d8vjxbzrfjdpsavxyfx981mlcb10aq5rmigr6il8ybs"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/jd/google-maps.el")
-    (synopsis "Access Google Maps from Emacs")
-    (description "The @code{google-maps} package allows to display Google
-Maps directly inside Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-graphviz-dot-mode
-  (let ((commit "c456a2b65c734089e6c44e87209a5a432a741b1a")
-        (revision "1"))
-    (package
-      (name "emacs-graphviz-dot-mode")
-      (version (string-append "0.3.11-" revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/ppareit/graphviz-dot-mode.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "0j1r2rspaakw37b0mx7pwpvdsvixq9sw3xjbww5piihzpdxz58z1"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-before 'install 'make-info
-             (lambda* (#:key inputs #:allow-other-keys)
-               (with-directory-excursion "texinfo"
-                 (substitute* "Makefile"
-                   (("\\/usr\\/bin\\/gzip")
-                    (string-append (assoc-ref inputs "gzip") "/bin/gzip")))
-                 (invoke "make"
-                         "clean"
-                         "info"
-                         (string-append "TEXINFODIR="
-                                        (assoc-ref inputs "texinfo")
-                                        "/bin")))))
-           (add-after 'install 'install-info
-             (lambda* (#:key outputs #:allow-other-keys)
-               (let* ((out  (assoc-ref outputs "out"))
-                      (info (string-append out "/share/info")))
-                 (install-file "texinfo/graphviz-dot-mode.info.gz" info)
-                 #t))))))
-      (native-inputs
-       `(("texinfo" ,texinfo)
-         ("gzip" ,gzip)))
-      (home-page "http://ppareit.github.com/graphviz-dot-mode")
-      (synopsis "Major mode for editing Graphviz Dot files")
-      (description
-       "This Emacs packages helps you to create @file{.dot} or @file{.gv}
-files using the dot syntax, and use Graphviz to convert these files to
-diagrams.")
-      (license license:gpl2+))))
-
-(define-public emacs-mmm-mode
-  (package
-    (name "emacs-mmm-mode")
-    (version "0.5.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/purcell/mmm-mode/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0c5ing3hcr74k78hqhrfwiv6m3n8hqfrw89j2x34vf60f4iyqzqc"))))
-    (build-system gnu-build-system)
-    (arguments
-     '(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'autogen
-           (lambda _
-             (invoke "sh" "autogen.sh"))))))
-    (native-inputs
-     `(("autoconf" ,autoconf)
-       ("automake" ,automake)
-       ("emacs" ,emacs-minimal)
-       ("texinfo" ,texinfo)))
-    (home-page "https://github.com/purcell/mmm-mode")
-    (synopsis "Allow multiple major modes in an Emacs buffer")
-    (description
-     "MMM Mode is a minor mode that allows multiple major modes to coexist in a
-single buffer.")
-    (license license:gpl3+)))
-
-(define-public emacs-tablist
-  (package
-    (name "emacs-tablist")
-    (version "0.70")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/politza/tablist/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "177d6s7ym1mwz1nhnl09r14z3n093g9a2szm97xsaig0c204xz9c"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/politza/tablist")
-    (synopsis "Extension for @code{tabulated-list-mode}")
-    (description "Tablist is the Emacs package that provides several
-additional features to @code{tabulated-list-mode}: it adds marks,
-filters, new key bindings and faces.  It can be enabled by
-@code{tablist-mode} or @code{tablist-minor-mode} commands.")
-    (license license:gpl3+)))
-
-(define-public emacs-pdf-tools
-  (package
-    (name "emacs-pdf-tools")
-    (version "0.80")
-    (home-page "https://github.com/politza/pdf-tools")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference (url home-page)
-                                  (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1i4647vax5na73basc5dz4lh9kprir00fh8ps4i0l1y3ippnjs2s"))
-              (patches (search-patches "emacs-pdf-tools-poppler.patch"))))
-    (build-system gnu-build-system)
-    (arguments
-     `(#:tests? #f ; there are no tests
-       #:modules ((guix build gnu-build-system)
-                  ((guix build emacs-build-system) #:prefix emacs:)
-                  (guix build utils)
-                  (guix build emacs-utils))
-       #:imported-modules (,@%gnu-build-system-modules
-                           (guix build emacs-build-system)
-                           (guix build emacs-utils))
-       #:phases
-       (modify-phases %standard-phases
-         ;; Build server side using 'gnu-build-system'.
-         (add-after 'unpack 'enter-server-dir
-           (lambda _ (chdir "server") #t))
-         (add-after 'enter-server-dir 'autogen
-           (lambda _
-             (invoke "bash" "autogen.sh")))
-
-         ;; Build emacs side using 'emacs-build-system'.
-         (add-after 'compress-documentation 'enter-lisp-dir
-           (lambda _ (chdir "../lisp") #t))
-         (add-after 'enter-lisp-dir 'emacs-patch-variables
-           (lambda* (#:key outputs #:allow-other-keys)
-             (for-each make-file-writable (find-files "."))
-
-             ;; Set path to epdfinfo program.
-             (emacs-substitute-variables "pdf-info.el"
-               ("pdf-info-epdfinfo-program"
-                (string-append (assoc-ref outputs "out")
-                               "/bin/epdfinfo")))
-             ;; Set 'pdf-tools-handle-upgrades' to nil to avoid "auto
-             ;; upgrading" that pdf-tools tries to perform.
-             (emacs-substitute-variables "pdf-tools.el"
-               ("pdf-tools-handle-upgrades" '()))))
-         (add-after 'emacs-patch-variables 'emacs-set-emacs-load-path
-           (assoc-ref emacs:%standard-phases 'set-emacs-load-path))
-         (add-after 'emacs-set-emacs-load-path 'emacs-install
-           (assoc-ref emacs:%standard-phases 'install))
-         (add-after 'emacs-install 'emacs-build
-           (assoc-ref emacs:%standard-phases 'build))
-         (add-after 'emacs-install 'emacs-make-autoloads
-           (assoc-ref emacs:%standard-phases 'make-autoloads)))))
-    (native-inputs `(("autoconf" ,autoconf)
-                     ("automake" ,automake)
-                     ("pkg-config" ,pkg-config)
-                     ("emacs" ,emacs-minimal)))
-    (inputs `(("poppler" ,poppler)
-              ("cairo" ,cairo)
-              ("glib" ,glib)
-              ("libpng" ,libpng)
-              ("zlib" ,zlib)))
-    (propagated-inputs `(("tablist" ,emacs-tablist)))
-    (synopsis "Emacs support library for PDF files")
-    (description
-     "PDF Tools is, among other things, a replacement of DocView for PDF
-files.  The key difference is that pages are not pre-rendered by
-e.g. ghostscript and stored in the file-system, but rather created on-demand
-and stored in memory.")
-    (license license:gpl3+)))
-
-(define-public emacs-dash
-  (package
-    (name "emacs-dash")
-    (version "2.14.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/magnars/dash.el.git")
-                    (commit version)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1kzijmjxjxgr7p8clphzvmm47vczckbs8mza9an77c25bn627ywl"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("./run-tests.sh")))
-    (home-page "https://github.com/magnars/dash.el")
-    (synopsis "Modern list library for Emacs")
-    (description "This package provides a modern list API library for Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-bui
-  (package
-    (name "emacs-bui")
-    (version "1.2.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://notabug.org/alezost/emacs-bui.git")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "0sszdl4kvqbihdh8d7mybpp0d8yw2p3gyiipjcxz9xhvvmw3ww4x"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("dash" ,emacs-dash)))
-    (home-page "https://notabug.org/alezost/emacs-bui")
-    (synopsis "Buffer interface library for Emacs")
-    (description
-     "BUI (Buffer User Interface) is a library for making @code{list} and
-@code{info} interfaces to display an arbitrary data of the same
-type, for example: packages, buffers, files, etc.")
-    (license license:gpl3+)))
-
-(define-public emacs-guix
-  (package
-    (name "emacs-guix")
-    (version "0.5.1.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://emacs-guix.gitlab.io/website/"
-                                  "releases/emacs-guix-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1gxg7lan3njc2yg2d02b2zij0d2cm2pv2q08nqz86s85jk3b6m03"))))
-    (build-system gnu-build-system)
-    (arguments
-     `(#:configure-flags
-       (let ((guix        (assoc-ref %build-inputs "guix"))
-             (gcrypt      (assoc-ref %build-inputs "guile-gcrypt"))
-             (geiser      (assoc-ref %build-inputs "geiser"))
-             (dash        (assoc-ref %build-inputs "dash"))
-             (bui         (assoc-ref %build-inputs "bui"))
-             (magit-popup (assoc-ref %build-inputs "magit-popup"))
-             (edit-indirect (assoc-ref %build-inputs "edit-indirect"))
-             (site-lisp   "/share/emacs/site-lisp")
-             (site-scm    "/share/guile/site")
-             (site-go     "/lib/guile")
-             (guile-dir (lambda (dir)
-                          (car (find-files dir
-                                           (lambda (file stat)
-                                             (string-prefix?
-                                              "2." (basename file)))
-                                           #:directories? #t)))))
-         (list (string-append "--with-guix-site-dir="
-                              (guile-dir (string-append guix site-scm)))
-               (string-append "--with-guix-site-ccache-dir="
-                              (guile-dir (string-append guix site-go))
-                              "/site-ccache")
-               (string-append "--with-guile-gcrypt-site-dir="
-                              (guile-dir (string-append gcrypt site-scm)))
-               (string-append "--with-guile-gcrypt-site-ccache-dir="
-                              (guile-dir (string-append gcrypt site-go))
-                              "/site-ccache")
-               (string-append "--with-geiser-lispdir=" geiser site-lisp)
-               (string-append "--with-dash-lispdir="
-                              dash site-lisp "/guix.d/dash-"
-                              ,(package-version emacs-dash))
-               (string-append "--with-bui-lispdir="
-                              bui site-lisp "/guix.d/bui-"
-                              ,(package-version emacs-bui))
-               (string-append "--with-editindirect-lispdir="
-                              edit-indirect site-lisp "/guix.d/edit-indirect-"
-                              ,(package-version emacs-edit-indirect))
-               (string-append "--with-popup-lispdir="
-                              magit-popup site-lisp "/guix.d/magit-popup-"
-                              ,(package-version emacs-magit-popup))))))
-    (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("emacs" ,emacs-minimal)))
-    (inputs
-     `(("guile" ,guile-2.2)
-       ("guix" ,guix)))
-    (propagated-inputs
-     `(("geiser" ,emacs-geiser)
-       ("guile-gcrypt" ,guile-gcrypt)
-       ("dash" ,emacs-dash)
-       ("bui" ,emacs-bui)
-       ("edit-indirect" ,emacs-edit-indirect)
-       ("magit-popup" ,emacs-magit-popup)))
-    (home-page "https://emacs-guix.gitlab.io/website/")
-    (synopsis "Emacs interface for GNU Guix")
-    (description
-     "Emacs-Guix provides a visual interface, tools and features for the GNU
-Guix package manager.  Particularly, it allows you to do various package
-management tasks from Emacs.  To begin with, run @code{M-x guix-about} or
-@code{M-x guix-help} command.")
-    (license license:gpl3+)))
-
-(define-public emacs-build-farm
-  (package
-    (name "emacs-build-farm")
-    (version "0.2.2")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://notabug.org/alezost/emacs-build-farm.git")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "0i0bwbav5861j2y15j9nd5m9rdqg9q97zgcbld8pivr9nyxy63lz"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("bui" ,emacs-bui)
-       ("magit-popup" ,emacs-magit-popup)))
-    (home-page "https://notabug.org/alezost/emacs-build-farm")
-    (synopsis "Emacs interface for Hydra and Cuirass build farms")
-    (description
-     "This Emacs package provides an interface for Hydra and
-Cuirass (build farms used by Nix and Guix).  It allows you to look at
-various data related to the build farm projects, jobsets, builds and
-evaluations.  The entry point is @code{M-x build-farm} command.")
-    (license license:gpl3+)))
-
-(define-public emacs-d-mode
-  (package
-    (name "emacs-d-mode")
-    (version "2.0.9")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/Emacs-D-Mode-Maintainers/Emacs-D-Mode/"
-                    "archive/" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "127aa77ix3p7w4g339bx026df9y649dahlr3v359z0hs40zjz3kd"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-undercover" ,emacs-undercover)))
-    (home-page "https://github.com/Emacs-D-Mode-Maintainers/Emacs-D-Mode")
-    (synopsis "Emacs major mode for editing D code")
-    (description "This package provides an Emacs major mode for highlighting
-code written in the D programming language.  This mode is currently known to
-work with Emacs 24 and 25.")
-    (license license:gpl2+)))
-
-(define-public emacs-keyfreq
-  (package
-    (name "emacs-keyfreq")
-    (version "20160516.716")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (string-append "http://melpa.org/packages/keyfreq-"
-               version ".el"))
-        (sha256
-          (base32
-            "008hd7d06qskc3mx0bbdgpgy2pwxr8185fzlyqf9qjg49y74p6g8"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/dacap/keyfreq")
-    (synopsis "Track Emacs command frequencies")
-    (description "@code{emacs-keyfeq} tracks and shows how many times you used
-a command.")
-    (license license:gpl3+)))
-
-(define-public emacs-olivetti
-  (package
-    (name "emacs-olivetti")
-    (version "1.5.7")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://stable.melpa.org/packages/olivetti-"
-                    version ".el"))
-              (sha256
-               (base32
-                "1yj2ylg46q0pw1xzlv2b0fv9x8p56x25284s9v2smwjr4vf0nwcj"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/rnkn/olivetti")
-    (synopsis "Emacs minor mode for a nice writing environment")
-    (description "This package provides an Emacs minor mode that puts writing
-in the center.")
-    (license license:gpl3+)))
-
-(define-public emacs-undo-tree
-  (package
-    (name "emacs-undo-tree")
-    (version "0.6.6")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "http://dr-qubit.org/git/undo-tree.git")
-                    (commit (string-append "release/" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1hnh2mnmw179gr094r561w6cw1haid0lpvpqvkc24wpj82vphzpa"))))
-    (build-system emacs-build-system)
-    (home-page "http://www.dr-qubit.org/emacs.php")
-    (synopsis "Treat undo history as a tree")
-    (description "Tree-like interface to Emacs undo system, providing
-graphical tree presentation of all previous states of buffer that
-allows easily move between them.")
-    (license license:gpl3+)))
-
-(define-public emacs-s
-  (package
-    (name "emacs-s")
-    (version "1.12.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/magnars/s.el/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0xbl75863pcm806zg0x1lw7qznzjq2c8320k8js7apyag8q4srvh"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:emacs ,emacs ; FIXME: tests fail with emacs-minimal
-       #:test-command '("./run-tests.sh")))
-    (home-page "https://github.com/magnars/s.el")
-    (synopsis "Emacs string manipulation library")
-    (description "This package provides an Emacs library for manipulating
-strings.")
-    (license license:gpl3+)))
-
-(define-public emacs-symon
-  (package
-    (name "emacs-symon")
-    (version "20160630")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/zk-phi/symon/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0h4jcgdnq98wc9rj72nwyazq8498yg55jfljiij5qwbn1xf1g5zz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/zk-phi/symon")
-    (synopsis "Tiny graphical system monitor")
-    (description
-     "Tiny graphical system monitor for the Emacs minibuffer when idle.")
-    (license license:gpl2+)))
-
-(define-public emacs-sx
-  (let ((version "20180212")
-        (revision "1")
-        (commit "833435fbf90d1c9e927d165b155f3b1ef39271de"))
-    (package
-      (name "emacs-sx")
-      (version (git-version version revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/vermiculus/sx.el")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "1369xaxq1vy3d9yh862ddnhddikdpg2d0wv1ly00pnvdp9v4cqgd"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-markdown-mode" ,emacs-markdown-mode)))
-      (home-page "https://github.com/vermiculus/sx.el")
-      (synopsis "Emacs StackExchange client")
-      (description
-       "Emacs StackExchange client.  Ask and answer questions on
-Stack Overflow, Super User, and other StackExchange sites.")
-      (license license:gpl3+))))
-
-(define-public emacs-f
-  (package
-    (name "emacs-f")
-    (version "0.20.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/rejeep/f.el.git")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1a47xk3yp1rp17fqg7ldl3d3fb888h0fz3sysqfdz1bfdgs8a9bk"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-s" ,emacs-s)
-       ("emacs-dash" ,emacs-dash)))
-    (home-page "https://github.com/rejeep/f.el")
-    (synopsis "Emacs API for working with files and directories")
-    (description "This package provides an Emacs library for working with
-files and directories.")
-    (license license:gpl3+)))
-
-(define-public emacs-git-gutter
-  (package
-    (name "emacs-git-gutter")
-    (version "0.90")
-    (source (origin
-             (method url-fetch)
-             (uri (string-append
-                   "https://github.com/syohex/" name "/archive/"
-                   version ".tar.gz"))
-             (file-name (string-append name "-" version ".tar.gz"))
-             (sha256
-              (base32
-               "1nmhvhpq1l56mj2yq3ag23rw3x4xgnsy8szp30s26l0yjnkhc4qg"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/syohex/emacs-git-gutter")
-    (synopsis "See and manage hunks of text in a version control system")
-    (description
-     "This package is an Emacs minor mode for displaying and interacting with
-hunks of text managed in a version control system.  Added modified and deleted
-areas can be indicated with symbols on the edge of the buffer, and commands
-can be used to move between and perform actions on these hunks.
-
-Git, Mercurial, Subversion and Bazaar are supported, and many parts of the
-display and behaviour is easily customisable.")
-    (license license:gpl3+)))
-
-(define-public emacs-git-timemachine
-  (package
-    (name "emacs-git-timemachine")
-    (version "4.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://gitlab.com/pidu/git-timemachine"
-                           "/-/archive/" version
-                           "/git-timemachine-" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0ii40qcincasg7s1yrvqcxkqcqzb4sfs7gcxscn6m4x4ans165zy"))))
-    (build-system emacs-build-system)
-    (home-page "https://gitlab.com/pidu/git-timemachine")
-    (synopsis "Step through historic versions of Git-controlled files")
-    (description "This package enables you to step through historic versions
-of files under Git version control from within Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-minitest
-  (let ((commit "1aadb7865c1dc69c201cecee275751ecec33a182")
-        (revision "1"))
-    (package
-      (name "emacs-minitest")
-      (version (git-version "0.8.0" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/arthurnn/minitest-emacs")
-                      (commit commit)))
-                (file-name (git-file-name name commit))
-                (sha256
-                 (base32
-                  "1l18zqpdzbnqj2qawq8hj7z7pl8hr8z9d8ihy8jaiqma915hmhj1"))))
-      (build-system emacs-build-system)
-      (arguments
-       '(#:include (cons "^snippets\\/minitest-mode\\/" %default-include)
-         #:exclude (delete "^[^/]*tests?\\.el$" %default-exclude)))
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)
-         ("emacs-f" ,emacs-f)))
-      (home-page "https://github.com/arthurnn/minitest-emacs")
-      (synopsis "Emacs minitest mode")
-      (description
-       "The minitest mode provides commands to run the tests for the current
-file or line, as well as rerunning the previous tests, or all the tests for a
-project.
-
-This package also includes relevant snippets for yasnippet.")
-      (license license:expat))))
-
-(define-public emacs-el-mock
-  (package
-    (name "emacs-el-mock")
-    (version "1.25.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/rejeep/el-mock.el/"
-                           "archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "16xw94n58xxn3zvgyj72bmzs0k5lkvswjmzs79ws9n7rzdivb38b"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/rejeep/el-mock.el")
-    (synopsis "Tiny mock and stub framework in Emacs Lisp")
-    (description
-     "Emacs Lisp Mock is a library for mocking and stubbing using readable
-syntax.  Most commonly Emacs Lisp Mock is used in conjunction with Emacs Lisp
-Expectations, but it can be used in other contexts.")
-    (license license:gpl3+)))
-
-(define-public emacs-espuds
-  (package
-    (name "emacs-espuds")
-    (version "0.3.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/ecukes/espuds/"
-                           "archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0xv551376pbmh735a3zjwc9z4qdx6ngj1vpq3xqjpn0a1rwjyn4k"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-s" ,emacs-s)
-       ("emacs-dash" ,emacs-dash)
-       ("emacs-f" ,emacs-f)))
-    (home-page "https://github.com/ecukes/espuds")
-    (synopsis "Common step definitions for Ecukes")
-    (description "Espuds is a collection of the most commonly used step
-definitions for testing with the Ecukes framework.")
-    (license license:gpl3+)))
-
-(define-public emacs-spark
-  (let ((version "20160503")  ; no proper tag, use date of commit
-        (commit "0bf148c3ede3b31d56fd75f347cdd0b0eae60025")
-        (revision "1"))
-    (package
-      (name "emacs-spark")
-      (version (git-version version revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/alvinfrancis/spark.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "1ykqr86j17mi95s08d9fp02d7ych1331b04dcqxzxnmpkhwngyj1"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/alvinfrancis/spark")
-      (synopsis "Sparkline generation library for Emacs Lisp")
-      (description "@code{emacs-spark} is a sparkline generation library for
-Emacs Lisp.  It generates a sparkline string given a list of numbers.  It is a
-port of @code{cl-spark} to Emacs Lisp.")
-      (license license:expat))))
-
-(define-public emacs-es-mode
-  (package
-    (name "emacs-es-mode")
-    (version "4.3.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/dakrone/es-mode/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0y86qdcb3g7fkcb4pzsjh3syzql6w3314hg1wqxq4a8bbk3y0cgr"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     ;; The version of org in Emacs 24.5 is not sufficient, and causes tables
-     ;; to be rendered incorrectly
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-org" ,emacs-org)
-       ("emacs-spark" ,emacs-spark)))
-    (home-page "https://github.com/dakrone/es-mode")
-    (synopsis "Major mode for editing Elasticsearch queries")
-    (description "@code{es-mode} includes highlighting, completion and
-indentation support for Elasticsearch queries.  Also supported are
-@code{es-mode} blocks in @code{org-mode}, for which the results of queries can
-be processed through @code{jq}, or in the case of aggregations, can be
-rendered in to a table.  In addition, there is an @code{es-command-center}
-mode, which displays information about Elasticsearch clusters.")
-    (license license:gpl3+)))
-
-(define-public emacs-expand-region
-  (package
-    (name "emacs-expand-region")
-    (version "0.11.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/magnars/expand-region.el"
-                           "/archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "08dy1f411sh9wwww53rjw80idcf3vpki6ba2arl4hl5jcw9651g0"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/magnars/expand-region.el")
-    (synopsis "Increase selected region by semantic units")
-    (description
-     "Expand region increases the selected region by semantic units.  Just
-keep pressing the key until it selects what you want.  There's also
-@code{er/contract-region} if you expand too far.")
-    (license license:gpl3+)))
-
-(define-public emacs-fill-column-indicator
-  (package
-    (name "emacs-fill-column-indicator")
-    (version "1.89")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/alpaker/Fill-Column-Indicator"
-                           "/archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "09ab01np14bdcsr38xf95kpnvxzqr46mdjmphg3pigwnx39a3jvg"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/FillColumnIndicator")
-    (synopsis "Graphically indicate the fill column")
-    (description
-     "Fill-column-indicator graphically indicates the location of the fill
-column by drawing a thin line down the length of the editing window.")
-    (license license:gpl3+)))
-
-(define-public emacs-grep-a-lot
-  (package
-    (name "emacs-grep-a-lot")
-    (version "1.0.7")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/ZungBang/emacs-grep-a-lot.git")
-                    (commit "9f9f645b9e308a0d887b66864ff97d0fca1ba4ad")))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1f8262mrlinzgnn4m49hbj1hm3c1mvzza24py4b37sasn49546lw"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ZungBang/emacs-grep-a-lot")
-    (synopsis "Enables multiple grep buffers in Emacs")
-    (description
-     "This Emacs package allows managing multiple grep buffers.")
-    (license license:gpl3+)))
-
-(define-public emacs-inf-ruby
-  (package
-    (name "emacs-inf-ruby")
-    (version "2.5.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/nonsequitur/inf-ruby/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0m7323k649ckxql1grsdnf71bjhys7l4qb8wbpphb1mr1q8i4066"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/nonsequitur/inf-ruby")
-    (synopsis "Provides a REPL buffer connected to a Ruby subprocess in Emacs")
-    (description
-     "@code{inf-ruby} provides a Read Eval Print Loop (REPL) buffer, allowing
-for easy interaction with a ruby subprocess.  Features include support for
-detecting specific uses of Ruby, e.g. when using rails, and using a
-appropriate console.")
-    (license license:gpl3+)))
-
-(define-public emacs-znc
-  (package
-    (name "emacs-znc")
-    (version "0.0.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://marmalade-repo.org/packages/znc-"
-                           version ".el"))
-       (sha256
-        (base32
-         "1d8lqvybgyazin5z0g1c4l3rg1vzrrvf0saqs53jr1zcdg0lianh"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/sshirokov/ZNC.el")
-    (synopsis "Make ERC and ZNC get along better")
-    (description
-     "This is a thin wrapper around @code{erc} that enables one to use the ZNC
-IRC bouncer with ERC.")
-    (license license:expat)))
-
-(define-public emacs-shut-up
-  (package
-    (name "emacs-shut-up")
-    (version "0.3.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/cask/shut-up/"
-                           "archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "09kzrjdkb569iviyg7ydwq44yh84m3f9hkl7jizfrlk0w4gz67d1"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/cask/shut-up")
-    (synopsis "Silence Emacs")
-    (description "This package silences most output of Emacs when running an
-Emacs shell script.")
-    (license license:expat)))
-
-(define-public emacs-undercover
-  (package
-    (name "emacs-undercover")
-    (version "0.6.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/sviridov/undercover.el/"
-                           "archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0f48fi0xnbsqs382rgh85m9mq1wdnr0yib7as9xhwzvq0hsr5m0a"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-shut-up" ,emacs-shut-up)))
-    (home-page "https://github.com/sviridov/undercover.el")
-    (synopsis "Test coverage library for Emacs Lisp")
-    (description
-     "Undercover is a test coverage library for software written in Emacs
-Lisp.")
-    (license license:expat)))
-
-(define-public emacs-paren-face
-  (package
-    (name "emacs-paren-face")
-    (version "1.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/tarsius/paren-face/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0y4qrhxa9332vsvr999jg7qj1ymnfgwpf591yi4a4jgg90pm7qnn"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/tarsius/paren-face")
-    (synopsis "Face for parentheses in lisp modes")
-    (description
-     "This library defines a face named @code{parenthesis} used just for
-parentheses.  The intended purpose of this face is to make parentheses less
-visible in Lisp code by dimming them.  Lispers probably don't need to be
-constantly made aware of the existence of the parentheses.  Dimming them might
-be even more useful for people new to lisp who have not yet learned to
-subconsciously blend out the parentheses.")
-    (license license:gpl3+)))
-
-(define-public emacs-page-break-lines
-  (package
-    (name "emacs-page-break-lines")
-    (version "0.11")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/purcell/page-break-lines/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1zzhziq5kbrm9rxk30kx2glz455fp1blqxg8cpcf6l8xl3w8z4pg"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/purcell/page-break-lines")
-    (synopsis "Display page breaks as tidy horizontal lines")
-    (description
-     "This library provides a global mode which displays form feed characters
-as horizontal rules.")
-    (license license:gpl3+)))
-
-(define-public emacs-simple-httpd
-  (package
-    (name "emacs-simple-httpd")
-    (version "1.4.6")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/skeeto/emacs-web-server/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "01r7h3imnj4qx1m53a2wjafvbylcyz5f9r2rg2cs7ky3chlg220r"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/skeeto/emacs-http-server")
-    (synopsis "HTTP server in pure Emacs Lisp")
-    (description
-     "This package provides a simple HTTP server written in Emacs Lisp to
-serve files and directory listings.")
-    (license license:unlicense)))
-
-(define-public emacs-skewer-mode
-  (package
-    (name "emacs-skewer-mode")
-    (version "1.6.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/skeeto/skewer-mode/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "07jpz374j0j964szy3zznrkyja2kpdl3xa87wh7349mzxivqxdx0"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-simple-httpd" ,emacs-simple-httpd)
-       ("emacs-js2-mode" ,emacs-js2-mode)))
-    (arguments '(#:include '("\\.el$" "\\.js$" "\\.html$")))
-    (home-page "https://github.com/skeeto/skewer-mode")
-    (synopsis "Live web development in Emacs")
-    (description
-     "Skewer-mode provides live interaction with JavaScript, CSS, and HTML in
-a web browser.  Expressions are sent on-the-fly from an editing buffer to be
-evaluated in the browser, just like Emacs does with an inferior Lisp process
-in Lisp modes.")
-    (license license:unlicense)))
-
-(define-public emacs-string-inflection
-  (package
-    (name "emacs-string-inflection")
-    (version "1.0.6")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/akicho8/string-inflection")
-                    (commit "a150e7bdda60b7824d3a936750ce23f73b0e4edd")))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1k0sm552iawi49v4zis6dbb81d1rzgky9v0dpv7nj31gnb7bmy7k"))))
-    (build-system emacs-build-system)
-    (native-inputs
-     `(("ert-runner" ,emacs-ert-runner)))
-    (arguments
-     `(#:tests? #t
-       #:test-command '("ert-runner")))
-    (home-page "https://github.com/akicho8/string-inflection")
-    (synopsis "Convert symbol names between different naming conventions")
-    (description
-     "This Emacs package provides convenient methods for manipulating the
-naming style of a symbol.  It supports different naming conventions such as:
-
-@enumerate
-@item camel case
-@item Pascal case
-@item all upper case
-@item lower case separated by underscore
-@item etc...
-@end enumerate\n")
-    (license license:gpl2+)))
-
-(define-public emacs-stripe-buffer
-  (package
-    (name "emacs-stripe-buffer")
-    (version "0.2.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/sabof/stripe-buffer/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1p515dq7raly5hw94kiwm3vzsfih0d8af622q4ipvvljsm98aiik"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/sabof/stripe-buffer/")
-    (synopsis "Add stripes to list buffers")
-    (description
-     "This Emacs package adds faces to add stripes to list buffers and org
-tables.")
-    (license license:gpl2+)))
-
-(define-public emacs-rich-minority
-  (package
-    (name "emacs-rich-minority")
-    (version "1.0.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Malabarba/rich-minority/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1l0cb0q7kyi88nwfqd542psnkgwnjklpzc5rx32gzd3lkwkrbr8v"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Malabarba/rich-minority")
-    (synopsis "Clean-up and beautify the list of minor modes")
-    (description
-     "This Emacs package hides and/or highlights minor modes in the
-mode-line.")
-    (license license:gpl2+)))
-
-(define-public emacs-robe
-  (package
-    (name "emacs-robe")
-    (version "0.8.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/dgutov/robe/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1vp45y99fwj88z04ah4yppz4z568qcib646az6m9az5ar0f203br"))))
-    (build-system emacs-build-system)
-    (arguments
-     '(#:include (cons "^lib\\/" %default-include)))
-    (propagated-inputs
-     `(("emacs-inf-ruby" ,emacs-inf-ruby)))
-    (home-page "https://github.com/dgutov/robe")
-    (synopsis "Ruby code assistance tool for Emacs")
-    (description
-     "Robe can provide information on loaded classes and modules in Ruby code,
-as well as where methods are defined.  This allows the user to jump to method
-definitions, modules and classes, display method documentation and provide
-method and constant name completion.")
-    (license license:gpl3+)))
-
-(define-public emacs-rspec
-  (package
-    (name "emacs-rspec")
-    (version "1.11")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/pezra/rspec-mode/"
-                           "archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1j0a7ms5516nlg60qfyn730pfxys6acm0rgyxh5xfkpi6jafgpvw"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/pezra/rspec-mode")
-    (synopsis "Provides a rspec mode for working with RSpec")
-    (description
-     "The Emacs RSpec mode provides keybindings for Ruby source files, e.g. to
-verify the spec associated with the current buffer, or entire project, as well
-as moving between the spec files, and coresponding code files.
-
-Also included are keybindings for spec files and Dired buffers, as well as
-snippets for yasnippet.")
-    (license license:gpl3+)))
-
-(define-public emacs-smart-mode-line
-  (package
-    (name "emacs-smart-mode-line")
-    (version "2.12.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Malabarba/smart-mode-line/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1hn8s6laijmg7w1bgwdfrki6h9vxkbgr8rmmssvd5yqyad5w2sba"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-rich-minority" ,emacs-rich-minority)))
-    (home-page "https://github.com/Malabarba/smart-mode-line")
-    (synopsis "Color-coded smart mode-line")
-    (description
-     "Smart Mode Line is a mode-line theme for Emacs.  It aims to be easy to
-read from small to large monitors by using colors, a prefix feature, and smart
-truncation.")
-    (license license:gpl2+)))
-
-(define-public emacs-sr-speedbar
-  (let ((commit "77a83fb50f763a465c021eca7343243f465b4a47")
-        (revision "0"))
-    (package
-      (name "emacs-sr-speedbar")
-      (version (git-version "20161025" revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacsorphanage/sr-speedbar.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0sd12555hk7z721y00kv3crdybvcn1i08wmd148z5imayzibj153"))))
-      (build-system emacs-build-system)
-      (home-page "https://www.emacswiki.org/emacs/SrSpeedbar")
-      (synopsis "Same frame Emacs @code{speedbar}")
-      (description
-       "This Emacs package allows you to show @code{M-x speedbar} in the
-same frame (in an extra window).  You can customize the initial width of
-the speedbar window.")
-      (license license:gpl3+))))
-
-(define-public emacs-shell-switcher
-  (package
-    (name "emacs-shell-switcher")
-    (version "1.0.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/DamienCassou/shell-switcher"
-                           "/archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1c23mfkdqz2g9rixd9smm323vzlvhzz3ng34ambcqjfq309qb2nz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/DamienCassou/shell-switcher")
-    (synopsis "Provide fast switching between shell buffers")
-    (description
-     "This package provides commands to quickly switch between shell buffers.")
-    (license license:gpl3+)))
-
-(define-public emacs-ob-ipython
-  (package
-    (name "emacs-ob-ipython")
-    (version "20150704.8807064693")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (commit "880706469338ab59b5bb7dbe8460016f89755364")
-                    (url "https://github.com/gregsexton/ob-ipython.git")))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1scf25snbds9ymagpny30ijbsg479r3nm0ih01dy4m9d0g7qryb7"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-f" ,emacs-f)))
-    (home-page "http://www.gregsexton.org")
-    (synopsis "Org-Babel functions for IPython evaluation")
-    (description "This package adds support to Org-Babel for evaluating Python
-source code using IPython.")
-    (license license:gpl3+)))
-
-(define-public emacs-debbugs
-  (package
-    (name "emacs-debbugs")
-    (version "0.16")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/debbugs-"
-                                  version ".tar"))
-              (sha256
-               (base32
-                "0y3bq803c7820h15g66d1648skxfhlfa2v6vincj6xk5ssp44s9p"))))
-    (build-system emacs-build-system)
-    (arguments '(#:include '("\\.el$" "\\.wsdl$" "\\.info$")))
-    (propagated-inputs
-     `(("emacs-async" ,emacs-async)))
-    (home-page "https://elpa.gnu.org/packages/debbugs.html")
-    (synopsis "Access the Debbugs bug tracker in Emacs")
-    (description
-     "This package lets you access the @uref{http://bugs.gnu.org,GNU Bug
-Tracker} from within Emacs.
-
-For instance, it defines the command @code{M-x debbugs-gnu} for listing bugs,
-and the command @code{M-x debbugs-gnu-search} for bug searching.  If you
-prefer the listing of bugs as TODO items of @code{org-mode}, you could use
-@code{M-x debbugs-org} and related commands.
-
-A minor mode @code{debbugs-browse-mode} let you browse URLs to the GNU Bug
-Tracker as well as bug identifiers prepared for @code{bug-reference-mode}.")
-    (license license:gpl3+)))
-
-(define-public emacs-ert-expectations
-  (package
-    (name "emacs-ert-expectations")
-    (version "0.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri "https://www.emacswiki.org/emacs/download/ert-expectations.el")
-       (sha256
-        (base32
-         "0cwy3ilsid90abzzjb7ha2blq9kmv3gfp3icwwfcz6qczgirq6g7"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/ert-expectations.el")
-    (synopsis "Simple unit test framework for Emacs Lisp")
-    (description "@code{emacs-ert-expectations} is a simple unit test
-framework for Emacs Lisp to be used with @code{ert}.")
-    (license license:gpl3+)))
-
-(define-public emacs-deferred
-  (package
-    (name "emacs-deferred")
-    (version "0.5.1")
-    (home-page "https://github.com/kiwanami/emacs-deferred")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url home-page)
-                    (commit (string-append "v" version))))
-              (sha256
-               (base32
-                "0xy9zb6wwkgwhcxdnslqk52bq3z24chgk6prqi4ks0qcf2bwyh5h"))
-              (file-name (string-append name "-" version))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'set-shell
-           ;; Setting the SHELL environment variable is required for the tests
-           ;; to find sh.
-           (lambda _
-             (setenv "SHELL" (which "sh"))
-             #t))
-         (add-before 'check 'fix-makefile
-           (lambda _
-             (substitute* "Makefile"
-               (("\\$\\(CASK\\) exec ") ""))
-             #t)))
-       #:tests? #t
-       #:test-command '("make" "test")))
-    (native-inputs
-     `(("emacs-ert-expectations" ,emacs-ert-expectations)
-       ("emacs-undercover" ,emacs-undercover)
-       ("ert-runner" ,emacs-ert-runner)))
-    (synopsis "Simple asynchronous functions for Emacs Lisp")
-    (description
-     "The @code{deferred.el} library provides support for asynchronous tasks.
-The API is almost the same as that of
-@uref{https://github.com/cho45/jsdeferred, JSDeferred}, a JavaScript library
-for asynchronous tasks.")
-    (license license:gpl3+)))
-
-(define-public emacs-butler
-  (package
-    (name "emacs-butler")
-    (version "0.2.4")
-    (home-page "https://github.com/AshtonKem/Butler")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url home-page)
-                    (commit version)))
-              (sha256
-               (base32
-                "1pii9dw4skq7nr4na6qxqasl36av8cwjp71bf1fgppqpcd9z8skj"))
-              (file-name (string-append name "-" version))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-deferred" ,emacs-deferred)))
-    (synopsis "Emacs client for Jenkins")
-    (description
-     "Butler provides an interface to connect to Jenkins continuous
-integration servers.  Users can specify a list of server in the
-@code{butler-server-list} variable and then use @code{M-x butler-status} to
-view the build status of those servers' build jobs, and possibly to trigger
-build jobs.")
-    (license license:gpl3+)))
-
-(define-public emacs-company
-  (package
-    (name "emacs-company")
-    (version "0.9.7")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/company-mode/company-mode/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "19flv38f2qhxda8lbk2ckywvibd72vbzmn4hchqz6d8acsknh4sb"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'check 'fix-bin-dir
-           (lambda _
-             ;; The company-files-candidates-normal-root test looks
-             ;; for the /bin directory, but the build environment has
-             ;; no /bin directory. Modify the test to look for the
-             ;; /tmp directory.
-             (substitute* "test/files-tests.el"
-               (("/bin/") "/tmp/"))
-             #t)))
-       #:tests? #t
-       #:test-command '("make" "test-batch")))
-    (home-page "http://company-mode.github.io/")
-    (synopsis "Modular text completion framework")
-    (description
-     "Company is a modular completion mechanism.  Modules for retrieving
-completion candidates are called back-ends, modules for displaying them are
-front-ends.  Company comes with many back-ends, e.g. @code{company-elisp}.
-These are distributed in separate files and can be used individually.")
-    (license license:gpl3+)))
-
-(define-public emacs-irony-mode
-  (package
-    (name "emacs-irony-mode")
-    (version "1.2.0")
-    (home-page "https://github.com/Sarcasm/irony-mode")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url (string-append home-page ".git"))
-                    (commit (string-append "v" version))))
-              (sha256
-               (base32
-                "0nhjrnlmss535jbshjjd30vydbr8py21vkx4p294w6d8vg2rssf8"))
-              (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (inputs `(("server" ,emacs-irony-mode-server)))
-    (arguments `(#:phases
-                 (modify-phases %standard-phases
-                   (add-after 'unpack 'configure
-                        (lambda* (#:key inputs #:allow-other-keys)
-                          (chmod "irony.el" #o644)
-                          (emacs-substitute-variables "irony.el"
-                            ("irony-server-install-prefix"
-                             (assoc-ref inputs "server")))
-                          #t)))))
-    (synopsis "C/C++/ObjC Code completion and syntax checks for Emacs")
-    (description "Irony-mode provides Clang-assisted syntax checking and
-completion for C, C++, and ObjC in GNU Emacs.  Using @code{libclang} it can
-provide syntax checking and autocompletion on compiler level which is very
-resistent against false positives.  It also integrates well with other
-packages like @code{eldoc-mode} and especially @code{company-mode} as
-described on the homepage.")
-    (license license:gpl3+)))
-
-(define-public emacs-irony-mode-server
-  (package (inherit emacs-irony-mode)
-    (name "emacs-irony-mode-server")
-    (inputs
-     `(("clang" ,clang)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (replace 'configure
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out")))
-               (invoke "cmake"
-                       "server"
-                       (string-append "-DCMAKE_INSTALL_PREFIX=" out)) #t))))))
-    (build-system cmake-build-system)
-    (synopsis "Server for the Emacs @dfn{irony mode}")))
-
-(define-public emacs-company-irony
-  (package
-    (name "emacs-company-irony")
-    (version "1.1.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/Sarcasm/company-irony.git")
-                    (commit (string-append "v" version))))
-              (sha256 (base32
-                       "1qgyam2vyjw90kpxns5cd6bq3qiqjhzpwrlvmi18vyb69qcgqd8a"))
-              (file-name (git-file-name name version))))
-    (build-system emacs-build-system)
-    (inputs
-     `(("emacs-irony-mode" ,emacs-irony-mode)
-       ("emacs-company" ,emacs-company)))
-    (synopsis "C++ completion backend for Company using irony-mode")
-    (description "This backend for company-mode allows for C++ code completion
-with irony-mode using clang-tooling.")
-    (home-page "https://github.com/Sarcasm/company-irony")
-    (license license:gpl3+)))
-
-(define-public emacs-flycheck-irony
-  (package
-    (name "emacs-flycheck-irony")
-    (version "0.1.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/Sarcasm/flycheck-irony.git")
-                    (commit (string-append "v" version))))
-              (sha256
-               (base32 "0qa5a8wzvzxwqql92ibc9s43k8sj3vwn7skz9hfr8av0skkhx996"))
-              (file-name (string-append name "-" version))))
-    (build-system emacs-build-system)
-    (inputs
-     `(("irony-mode" ,emacs-irony-mode)
-       ("flycheck-mode" ,emacs-flycheck)
-       ("emacs-company" ,emacs-company)))
-    (synopsis "Live syntax checking frontend for Flycheck using irony-mode")
-    (description "This package provides a frontend for Flycheck that lets
-irony-mode do the syntax checking.")
-    (home-page "https://github.com/Sarcasm/flycheck-irony")
-    (license license:gpl3+)))
-
-(define-public emacs-irony-eldoc
-  (package
-    (name "emacs-irony-eldoc")
-    (version (package-version emacs-irony-mode))
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/ikirill/irony-eldoc.git")
-             (commit "0df5831eaae264a25422b061eb2792aadde8b3f2")))
-       (sha256 (base32 "1l5qpr66v1l12fb50yh73grb2rr85xxmbj19mm33b5rdrq2bqmmd"))
-       (file-name (string-append name "-" version))))
-    (build-system emacs-build-system)
-    (inputs
-     `(("irony-mode" ,emacs-irony-mode)))
-    (synopsis "Eldoc integration for irony-mode")
-    (description "Irony-eldoc is an eldoc extension that shows documentation
-for the current function or variable in the minibuffer.")
-    (home-page "https://github.com/ikirill/irony-eldoc")
-    (license license:gpl3+)))
-
-(define-public emacs-company-quickhelp
-  (package
-    (name "emacs-company-quickhelp")
-    (version "2.3.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/expez/company-quickhelp/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0xrn2z1dgk5gmkmp2jkn9g83ckk39lqp5pyyv8rl7f6gqvib3qh0"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-pos-tip" ,emacs-pos-tip)
-       ("emacs-company" ,emacs-company)))
-    (home-page "https://github.com/expez/company-quickhelp")
-    (synopsis "Popup documentation for completion candidates")
-    (description "@code{company-quickhelp} shows documentation for the
-completion candidate when using the Company text completion framework.")
-    (license license:gpl3+)))
-
-(define-public emacs-multiple-cursors
-  (package
-    (name "emacs-multiple-cursors")
-    (version "1.4.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/magnars/multiple-cursors.el/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0hihihlvcvzayg5fnqzcg45fhvlmq6xlq58syy00rjwbry9w389k"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/magnars/multiple-cursors.el")
-    (synopsis "Multiple cursors for Emacs")
-    (description
-     "This package adds support to Emacs for editing text with multiple
-simultaneous cursors.")
-    (license license:gpl3+)))
-
-(define-public emacs-typo
-  (package
-    (name "emacs-typo")
-    (version "1.1")
-    (home-page "https://github.com/jorgenschaefer/typoel")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url home-page)
-                    (commit (string-append "v" version))))
-              (sha256
-               (base32
-                "1jhd4grch5iz12gyxwfbsgh4dmz5hj4bg4gnvphccg8dsnni05k2"))
-              (file-name (string-append name "-" version))))
-    (build-system emacs-build-system)
-    (synopsis "Minor mode for typographic editing")
-    (description
-     "This package provides two Emacs modes, @code{typo-mode} and
-@code{typo-global-mode}.  These modes automatically insert Unicode characters
-for quotation marks, dashes, and ellipses.  For example, typing @kbd{\"}
-automatically inserts a Unicode opening or closing quotation mark, depending
-on context.")
-    (license license:gpl3+)))
-
-(define-public emacs-scheme-complete
-  (let ((commit "9b5cf224bf2a5994bc6d5b152ff487517f1a9bb5"))
-    (package
-      (name "emacs-scheme-complete")
-      (version (string-append "20151223." (string-take commit 8)))
-      (source
-       (origin
-         (file-name (string-append name "-" version))
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/ashinn/scheme-complete.git")
-               (commit commit)))
-         (sha256
-          (base32
-           "141wn9l0m33w0g3dqmx8nxbfdny1r5xbr6ak61rsz21bk0qafs7x"))
-         (patches
-          (search-patches "emacs-scheme-complete-scheme-r5rs-info.patch"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/ashinn/scheme-complete")
-      (synopsis "Smart tab completion for Scheme in Emacs")
-      (description
-       "This file provides a single function, @code{scheme-smart-complete},
-which you can use for intelligent, context-sensitive completion for any Scheme
-implementation in Emacs.  To use it just load this file and bind that function
-to a key in your preferred mode.")
-      (license license:public-domain))))
-
-(define-public emacs-scel
-  (let ((version "20170629")
-        (revision "1")
-        (commit "aeea3ad4be9306d14c3a734a4ff54fee10ac135b"))
-    (package
-      (name "emacs-scel")
-      (version (git-version version revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/supercollider/scel.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0jvmzs1lsjyndqshhii2y4mnr3wghai26i3p75453zrpxpg0zvvw"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:modules ((guix build emacs-build-system)
-                    ((guix build cmake-build-system) #:prefix cmake:)
-                    (guix build utils))
-         #:imported-modules (,@%emacs-build-system-modules
-                             (guix build cmake-build-system))
-         #:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'configure
-             (lambda* (#:key outputs #:allow-other-keys)
-               (substitute* "el/CMakeLists.txt"
-                 (("share/emacs/site-lisp/SuperCollider")
-                  (string-append
-                   "share/emacs/site-lisp/guix.d/scel-" ,version)))
-               ((assoc-ref cmake:%standard-phases 'configure)
-                #:outputs outputs
-                #:configure-flags '("-DSC_EL_BYTECOMPILE=OFF"))))
-           (add-after 'set-emacs-load-path 'add-el-dir-to-emacs-load-path
-             (lambda _
-               (setenv "EMACSLOADPATH"
-                       (string-append (getcwd) "/el:" (getenv "EMACSLOADPATH")))
-               #t))
-           (replace 'install (assoc-ref cmake:%standard-phases 'install)))))
-      (inputs
-       `(("supercollider" ,supercollider)))
-      (native-inputs
-       `(("cmake" ,cmake)))
-      (home-page "https://github.com/supercollider/scel")
-      (synopsis "SuperCollider Emacs interface")
-      (description "@code{emacs-scel} is an Emacs interface to SuperCollider.
-SuperCollider is a platform for audio synthesis and algorithmic composition.")
-      (license license:gpl2+))))
-
-(define-public emacs-mit-scheme-doc
-  (package
-    (name "emacs-mit-scheme-doc")
-    (version "20140203")
-    (source
-     (origin
-       (modules '((guix build utils)))
-       (snippet
-        ;; keep only file of interest
-        '(begin
-           (for-each delete-file '("dot-emacs.el" "Makefile"))
-           (install-file "6.945-config/mit-scheme-doc.el" ".")
-           (delete-file-recursively "6.945-config")
-           #t))
-       (file-name (string-append name "-" version ".tar.bz2"))
-       (method url-fetch)
-       (uri (string-append "http://groups.csail.mit.edu/mac/users/gjs/"
-                           "6.945/dont-panic/emacs-basic-config.tar.bz2"))
-       (sha256
-        (base32
-         "0dqidg2bd66pawqfarvwca93w5gqf9mikn1k2a2rmd9ymfjpziq1"))))
-    (build-system emacs-build-system)
-    (inputs `(("mit-scheme" ,mit-scheme)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'configure-doc
-           (lambda* (#:key inputs #:allow-other-keys)
-             (let* ((mit-scheme-dir (assoc-ref inputs "mit-scheme"))
-                    (doc-dir (string-append mit-scheme-dir "/share/doc/"
-                                            "mit-scheme-"
-                                            ,(package-version mit-scheme))))
-               (substitute* "mit-scheme-doc.el"
-                 (("http://www\\.gnu\\.org/software/mit-scheme/documentation/mit-scheme-ref/")
-                  (string-append "file:" doc-dir "/mit-scheme-ref/")))))))))
-    (home-page "http://groups.csail.mit.edu/mac/users/gjs/6.945/dont-panic/")
-    (synopsis "MIT-Scheme documentation lookup for Emacs")
-    (description
-     "This package provides a set of Emacs functions to search definitions of
-identifiers in the MIT-Scheme documentation.")
-    (license license:gpl2+)))
-
-(define-public emacs-constants
-  (package
-    (name "emacs-constants")
-    (version "2.6")
-    (home-page "https://staff.fnwi.uva.nl/c.dominik/Tools/constants")
-    (source
-     (origin
-       (file-name (string-append name "-" version ".tar.gz"))
-       (method url-fetch)
-       (uri (string-append "https://github.com/fedeinthemix/emacs-constants"
-                           "/archive/v" version ".tar.gz"))
-       (sha256
-        (base32
-         "0pnrpmmxq8mh5h2hbrp5vcym0j0fh6dv3s7c5ccn18wllhzg9g7n"))))
-    (build-system emacs-build-system)
-    (synopsis "Enter definition of constants into an Emacs buffer")
-    (description
-     "This package provides functions for inserting the definition of natural
-constants and units into an Emacs buffer.")
-    (license license:gpl2+)))
-
-(define-public emacs-tagedit
-  (package
-    (name "emacs-tagedit")
-    (version "1.4.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/magnars/tagedit/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1apfnann4qklfdsmdi7icjsj18x7gwx8d83iqr4z25clszz95xfq"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-s" ,emacs-s)
-       ("emacs-dash" ,emacs-dash)))
-    (home-page "https://github.com/magnars/tagedit")
-    (synopsis "Some paredit-like features for html-mode")
-    (description
-     "This package provides a collection of paredit-like functions for editing
-in @code{html-mode}.")
-    (license license:gpl3+)))
-
-(define-public emacs-slime
-  (package
-    (name "emacs-slime")
-    (version "2.22")
-    (source
-     (origin
-       (file-name (string-append name "-" version ".tar.gz"))
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/slime/slime/archive/v"
-             version ".tar.gz"))
-       (sha256
-        (base32
-         "07vaib1n4zyh5yy30gdpq0bc5cv6w84piml5b3mfc9ibjhaykkms"))))
-    (build-system emacs-build-system)
-    (native-inputs
-     `(("texinfo" ,texinfo)))
-    (arguments
-     `(#:include '("\\.el$" "\\.lisp$" "\\.asd$" "contrib")
-       #:exclude '("^slime-tests.el" "^contrib/test/"
-                   "^contrib/Makefile$" "^contrib/README.md$")
-       #:phases
-       (modify-phases %standard-phases
-         (add-before 'install 'configure
-           (lambda* _
-             (emacs-substitute-variables "slime.el"
-               ("inferior-lisp-program" "sbcl"))
-             #t))
-         (add-before 'install 'install-doc
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (info-dir (string-append out "/share/info"))
-                    (doc-dir (string-append out "/share/doc/"
-                                            ,name "-" ,version))
-                    (doc-files '("doc/slime-refcard.pdf"
-                                 "README.md" "NEWS" "PROBLEMS"
-                                 "CONTRIBUTING.md")))
-               (with-directory-excursion "doc"
-                 (substitute* "Makefile"
-                   (("infodir=/usr/local/info")
-                    (string-append "infodir=" info-dir)))
-                 (invoke "make" "html/index.html")
-                 (invoke "make" "slime.info")
-                 (install-file "slime.info" info-dir)
-                 (copy-recursively "html" (string-append doc-dir "/html")))
-               (for-each (lambda (f)
-                           (install-file f doc-dir)
-                           (delete-file f))
-                         doc-files)
-               (delete-file-recursively "doc")
-               #t))))))
-    (home-page "https://github.com/slime/slime")
-    (synopsis "Superior Lisp Interaction Mode for Emacs")
-    (description
-     "SLIME extends Emacs with support for interactive programming in
-Common Lisp.  The features are centered around @command{slime-mode},
-an Emacs minor mode that complements the standard @command{lisp-mode}.
-While lisp-mode supports editing Lisp source files, @command{slime-mode}
-adds support for interacting with a running Common Lisp process
-for compilation, debugging, documentation lookup, and so on.")
-    (license (list license:gpl2+ license:public-domain))))
-
-(define-public emacs-popup
-  (package
-    (name "emacs-popup")
-    (version "0.5.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/auto-complete/popup-el/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1yrgfj8y69xmcb6kwgplhq68ndm9410qwh7sd2knnd1gchpphdc0"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/auto-complete/popup-el")
-    (synopsis "Visual Popup User Interface for Emacs")
-    (description
-     "Popup.el is a visual popup user interface library for Emacs.
-This provides a basic API and common UI widgets such as popup tooltips
-and popup menus.")
-    (license license:gpl3+)))
-
-(define-public emacs-puppet-mode
-  (let ((commit "b3ed5057166a4f49dfa9be638523a348b55a2fd2")
-        (revision "1"))
-    (package
-      (name "emacs-puppet-mode")
-      ;; The last release, 0.3 was several years ago, and there have been many
-      ;; commits since
-      (version (git-version "0.3" revision commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "https://raw.githubusercontent.com/voxpupuli/puppet-mode/"
-               commit "/puppet-mode.el"))
-         (sha256
-          (base32
-           "1indycxawsl0p2aqqg754f6735q3cmah9vd886rpn0ncc3ipi1xm"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/voxpupuli/puppet-mode")
-      (synopsis "Emacs major mode for the Puppet configuration language")
-      (description
-       "This package provides support for the Puppet configuration language,
-including syntax highlighting, indentation of expressions and statements,
-linting of manifests and integration with Puppet Debugger.")
-      ;; Also incorporates work covered by the Apache License, Version 2.0
-      (license license:gpl3+))))
-
-(define-public emacs-god-mode
-  (let ((commit "6cf0807b6555eb6fcf8387a4e3b667071ef38964")
-        (revision "1"))
-    (package
-      (name "emacs-god-mode")
-      (version (string-append "20151005.925."
-                              revision "-" (string-take commit 9)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/chrisdone/god-mode.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1am415k4xxcva6y3vbvyvknzc6bma49pq3p85zmpjsdmsp18qdix"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/chrisdone/god-mode")
-      (synopsis "Minor mode for entering commands without modifier keys")
-      (description
-       "This package provides a global minor mode for entering Emacs commands
-without modifier keys.  It's similar to Vim's separation of commands and
-insertion mode.  When enabled all keys are implicitly prefixed with
-@samp{C-} (among other helpful shortcuts).")
-      (license license:gpl3+))))
-
-(define-public emacs-jinja2-mode
-  (package
-    (name "emacs-jinja2-mode")
-    (version "0.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/paradoxxxzero/jinja2-mode/"
-                           "archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0cgxjab1kla2zc2fj7bzib6i7snp08zshandmp9kqcm85l262xpn"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/paradoxxxzero/jinja2-mode")
-    (synopsis "Major mode for jinja2")
-    (description
-     "Emacs major mode for jinja2 with: syntax highlighting,
-sgml/html integration, and indentation (working with sgml).")
-    (license license:gpl3+)))
-
-(define-public emacs-rfcview
-  (package
-    (name "emacs-rfcview")
-    (version "0.13")
-    (home-page "http://www.loveshack.ukfsn.org/emacs")
-    (source (origin
-              (method url-fetch)
-              (uri "http://www.loveshack.ukfsn.org/emacs/rfcview.el")
-              (sha256
-               (base32
-                "0ympj5rxig383zl2jf0pzdsa80nnq0dpvjiriq0ivfi98fj7kxbz"))))
-    (build-system emacs-build-system)
-    (synopsis "Prettify Request for Comments (RFC) documents")
-    (description "The Internet Engineering Task Force (IETF) and the Internet
-Society (ISOC) publish various Internet-related protocols and specifications
-as \"Request for Comments\" (RFC) documents and Internet Standard (STD)
-documents.  RFCs and STDs are published in a simple text form.  This package
-provides an Emacs major mode, rfcview-mode, which makes it more pleasant to
-read these documents in Emacs.  It prettifies the text and adds
-hyperlinks/menus for easier navigation.  It also provides functions for
-browsing the index of RFC documents and fetching them from remote servers or
-local directories.")
-    (license license:gpl3+)))
-
-(define-public emacs-ffap-rfc-space
-  (package
-    (name "emacs-ffap-rfc-space")
-    (version "12")
-    (home-page "http://user42.tuxfamily.org/ffap-rfc-space/index.html")
-    (source (origin
-              (method url-fetch)
-              (uri "http://download.tuxfamily.org/user42/ffap-rfc-space.el")
-              (sha256
-               (base32
-                "1iv61dv57a73mdps7rn6zmgz7nqh14v0ninidyrasy45b1nv6gck"))))
-    (build-system emacs-build-system)
-    (synopsis "Make ffap recognize an RFC with a space before its number")
-    (description "The Internet Engineering Task Force (IETF) and the
-Internet Society (ISOC) publish various Internet-related protocols and
-specifications as \"Request for Comments\" (RFC) documents.  The
-built-in Emacs module \"ffap\" (Find File at Point) has the ability to
-recognize names at point which look like \"RFC1234\" and \"RFC-1234\"
-and load the appropriate RFC from a remote server.  However, it fails
-to recognize a name like \"RFC 1234\".  This package enhances ffap so
-that it correctly finds RFCs even when a space appears before the
-number.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-bullets
-  (package
-    (name "emacs-org-bullets")
-    (version "0.2.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/sabof/org-bullets/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1dyxvpb73vj80v8br2q9rf255hfphrgaw91fbvwdcd735np9pcnh"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/sabof/org-bullets")
-    (synopsis "Show bullets in org-mode as UTF-8 characters")
-    (description
-     "This package provides an Emacs minor mode causing bullets in
-@code{org-mode} to be rendered as UTF-8 characters.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-pomodoro
-  (package
-    (name "emacs-org-pomodoro")
-    (version "2.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/lolownia/org-pomodoro/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1jalsggw3q5kvj353f84x4nl04a5vmq07h75ggppy1627lb31zm4"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-alert" ,emacs-alert)))
-    (home-page "https://github.com/lolownia/org-pomodoro")
-    (synopsis "Pomodoro technique for org-mode")
-    (description "@code{emacs-org-pomodoro} adds very basic support for
-Pomodoro technique in Emacs org-mode.
-
-Run @code{M-x org-pomodoro} for the task at point or select one of the
-last tasks that you clocked time for.  Each clocked-in pomodoro starts
-a timer of 25 minutes and after each pomodoro a break timer of 5
-minutes is started automatically.  Every 4 breaks a long break is
-started with 20 minutes.  All values are customizable.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-trello
-  (package
-    (name "emacs-org-trello")
-    (version "0.8.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/org-trello/org-trello/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0549mnf5cgwn8b8jbl38fljbaxmh1605sv9j8f3lsa95jhs1zpa0"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-deferred" ,emacs-deferred)
-       ("emacs-f" ,emacs-f)
-       ("emacs-helm" ,emacs-helm)
-       ("emacs-request" ,emacs-request)
-       ("emacs-s" ,emacs-s)))
-    (home-page "https://org-trello.github.io")
-    (synopsis "Emacs minor mode for interacting with Trello")
-    (description "This package provides an Emacs minor mode to extend
-@code{org-mode} with Trello abilities.  Trello is an online project
-organizer.")
-    (license license:gpl3+)))
-
-(define-public emacs-atom-one-dark-theme
-  (let ((commit "1f1185bf667a38d3d0d180ce85fd4c131818aae2")
-        (revision "0"))
-    (package
-     (name "emacs-atom-one-dark-theme")
-     (version (git-version "0.4.0" revision commit))
-     (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/jonathanchu/atom-one-dark-theme.git")
-                    (commit commit)))
-              (sha256
-               (base32
-                "1alma16hg3mfjly8a9s3mrswkjjx4lrpdnf43869hn2ibkn7zx9z"))
-              (file-name (git-file-name name version))))
-     (build-system emacs-build-system)
-     (home-page "https://github.com/jonathanchu/atom-one-dark-theme")
-     (synopsis "Atom One Dark color theme for Emacs")
-     (description "An Emacs port of the Atom One Dark theme from Atom.io.")
-     (license license:gpl3+))))
-
-(define-public emacs-zenburn-theme
-  (package
-    (name "emacs-zenburn-theme")
-    (version "2.6")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/bbatsov/zenburn-emacs/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0qc9d1rwq55yzh8shbppyd6izy1grpyr8kqh5zdgm7c5jccngpr4"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/bbatsov/zenburn-emacs")
-    (synopsis "Low contrast color theme for Emacs")
-    (description
-     "Zenburn theme is a port of the popular Vim Zenburn theme for Emacs.
-It is built on top of the custom theme support in Emacs 24 or later.")
-    (license license:gpl3+)))
-
-(define-public emacs-solarized-theme
-  (package
-    (name "emacs-solarized-theme")
-    (version "1.2.2")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/bbatsov/solarized-emacs/"
-                                  "archive/v"  version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1ha3slc6d9wi9ilkhmwrzkvf308n6ph7b0k69pk369s9304awxzx"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)))
-    (home-page "https://github.com/bbatsov/solarized-emacs")
-    (synopsis "Port of the Solarized theme for Emacs")
-    (description
-     "Solarized for Emacs is a port of the Solarized theme for Vim.  This
-package provides a light and a dark variant.")
-    (license license:gpl3+)))
-
-(define-public emacs-ahungry-theme
-  (package
-    (name "emacs-ahungry-theme")
-    (version "1.10.0")
-    (source
-     (origin (method url-fetch)
-             (uri (string-append "https://elpa.gnu.org/packages/ahungry-theme-"
-                                 version ".tar"))
-             (sha256
-              (base32
-               "14q5yw56n82qph09bk7wmj5b1snhh9w0nk5s1l7yn9ldg71xq6pm"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ahungry/color-theme-ahungry")
-    (synopsis "Ahungry color theme for Emacs")
-    (description "Ahungry theme for Emacs provides bright and bold colors.
-If you load it from a terminal, you will be able to make use of the
-transparent background.  If you load it from a GUI, it will default to a
-dark background.")
-    (license license:gpl3+)))
-
-(define-public emacs-2048-game
-  (package
-    (name "emacs-2048-game")
-    (version "20151026.1233")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://melpa.org/packages/2048-game-"
-                           version ".el"))
-       (sha256
-        (base32
-         "0gy2pvz79whpavp4jmz8h9krzn7brmvv3diixi1d4w51pcdvaldd"))))
-    (build-system emacs-build-system)
-    (home-page "https://bitbucket.org/zck/2048.el")
-    (synopsis "Implementation of the game 2048 in Emacs Lisp")
-    (description
-     "This program is an implementation of 2048 for Emacs.
-The goal of this game is to create a tile with value 2048.  The size of the
-board and goal value can be customized.")
-  (license license:gpl3+)))
-
-(define-public emacs-base16-theme
-  (package
-    (name "emacs-base16-theme")
-    (version "2.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://stable.melpa.org/packages/base16-theme-"
-                           version ".tar"))
-       (sha256
-        (base32
-         "0z6hrwz2jlz6jbr381rcqcqvx6hss5cad352klx07rark7zccacj"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/belak/base16-emacs")
-    (synopsis "Base16 color themes for Emacs")
-    (description
-     "Base16 provides carefully chosen syntax highlighting and a default set
-of sixteen colors suitable for a wide range of applications.  Base16 is not a
-single theme but a set of guidelines with numerous implementations.")
-    (license license:expat)))
-
-(define-public emacs-smartparens
-  (package
-    (name "emacs-smartparens")
-    (version "1.11.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/Fuco1/smartparens/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0q5as813xs8y29i3v2rm97phd6m7xsmmw6hwbvx57gwmi8i1c409"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-markdown-mode" ,emacs-markdown-mode)))
-    (home-page "https://github.com/Fuco1/smartparens")
-    (synopsis "Paredit-like insertion, wrapping and navigation with user
-defined pairs")
-    (description
-     "Smartparens is a minor mode for Emacs that deals with parens pairs
-and tries to be smart about it.  It started as a unification effort to
-combine functionality of several existing packages in a single,
-compatible and extensible way to deal with parentheses, delimiters, tags
-and the like.  Some of these packages include autopair, textmate,
-wrap-region, electric-pair-mode, paredit and others.  With the basic
-features found in other packages it also brings many improvements as
-well as completely new features.")
-    (license license:gpl3+)))
-
-(define-public emacs-highlight-symbol
-  (package
-    (name "emacs-highlight-symbol")
-    (version "1.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/nschum/highlight-symbol.el/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1n7k1qns0fn0jsyc0hrjac5nzk21xw48yc30vyrhwvc51h0b9g90"))))
-    (build-system emacs-build-system)
-    (home-page "https://nschum.de/src/emacs/highlight-symbol")
-    (synopsis "Automatic and manual symbol highlighting for Emacs")
-    (description
-     "Use @code{highlight-symbol} to toggle highlighting of the symbol at
-point throughout the current buffer.  Use @code{highlight-symbol-mode} to keep
-the symbol at point highlighted.
-
-The functions @code{highlight-symbol-next}, @code{highlight-symbol-prev},
-@code{highlight-symbol-next-in-defun} and
-@code{highlight-symbol-prev-in-defun} allow for cycling through the locations
-of any symbol at point.  Use @code{highlight-symbol-nav-mode} to enable key
-bindings @code{M-p} and @code{M-p} for navigation.  When
-@code{highlight-symbol-on-navigation-p} is set, highlighting is triggered
-regardless of @code{highlight-symbol-idle-delay}.
-
-@code{highlight-symbol-query-replace} can be used to replace the symbol. ")
-    (license license:gpl2+)))
-
-(define-public emacs-hl-todo
-  (package
-    (name "emacs-hl-todo")
-    (version "1.9.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://raw.githubusercontent.com/tarsius/hl-todo/"
-                    version "/hl-todo.el"))
-              (file-name (string-append "hl-todo-" version ".el"))
-              (sha256
-               (base32
-                "0728givzh7xv5i88ac9if8byj1p8bilrj1fnizca10s0rv100hdr"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/tarsius/hl-todo")
-    (synopsis "Emacs mode to highlight TODO and similar keywords")
-    (description
-     "This package provides an Emacs mode to highlight TODO and similar
-keywords in comments and strings.  This package also provides commands for
-moving to the next or previous keyword and to invoke @code{occur} with a
-regexp that matches all known keywords.")
-    (license license:gpl3+)))
-
-(define-public emacs-perspective
-  (package
-    (name "emacs-perspective")
-    (version "1.12")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/nex3/perspective-el/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "078ahh0kmhdylq5ib9c81c76kz1n02xwc83pm729d00i84ibviic"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/nex3/perspective-el")
-    (synopsis "Switch between named \"perspectives\"")
-    (description
-     "This package provides tagged workspaces in Emacs, similar to workspaces in
-windows managers such as Awesome and XMonad.  @code{perspective.el} provides
-multiple workspaces (or \"perspectives\") for each Emacs frame.  Each
-perspective is composed of a window configuration and a set of buffers.
-Switching to a perspective activates its window configuration, and when in a
-perspective only its buffers are available by default.")
-    ;; This package is released under the same license as Emacs (GPLv3+) or
-    ;; the Expat license.
-    (license license:gpl3+)))
-
-(define-public emacs-test-simple
-  (package
-    (name "emacs-test-simple")
-    (version "1.3.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/test-simple-"
-                           version ".el"))
-       (sha256
-        (base32
-         "1yd61jc9ds95a5n09052kwc5gasy57g4lxr0jsff040brlyi9czz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/rocky/emacs-test-simple")
-    (synopsis "Simple unit test framework for Emacs Lisp")
-    (description
-     "Test Simple is a simple unit test framework for Emacs Lisp.  It
-alleviates the need for context macros, enclosing specifications or required
-test tags.  It supports both interactive and non-interactive use.")
-    (license license:gpl3+)))
-
-(define-public emacs-load-relative
-  (package
-    (name "emacs-load-relative")
-    (version "1.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/load-relative-"
-                           version ".el"))
-       (sha256
-        (base32
-         "1hfxb2436jdsi9wfmsv47lkkpa5galjf5q81bqabbsv79rv59dps"))))
-    (build-system emacs-build-system)
-    (home-page "http://github.com/rocky/emacs-load-relative")
-    (synopsis "Emacs Lisp relative file loading related functions")
-    (description
-     "Provides functions which facilitate writing multi-file Emacs packages
-and running from the source tree without having to \"install\" code or fiddle
-with @{load-path}.
-
-The main function, @code{load-relative}, loads an Emacs Lisp file relative to
-another (presumably currently running) Emacs Lisp file.")
-    (license license:gpl3+)))
-
-(define-public emacs-loc-changes
-  (package
-    (name "emacs-loc-changes")
-    (version "1.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/loc-changes-"
-                           version ".el"))
-       (sha256
-        (base32
-         "1x8fn8vqasayf1rb8a6nma9n6nbvkx60krmiahyb05vl5rrsw6r3"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/rocky/emacs-loc-changes")
-    (synopsis "Keeps track of positions even after buffer changes")
-    (description
-     "This Emacs package provides a mean to track important buffer positions
-after buffer changes.")
-    (license license:gpl3+)))
-
-(define-public emacs-realgud
-  (package
-    (name "emacs-realgud")
-    (version "1.4.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/realgud-"
-                           version ".tar"))
-       (sha256
-        (base32
-         "108wgxg7fb4byaiasgvbxv2hq7b00biq9f0mh9hy6vw4160y5w24"))
-       (patches
-        ;; Patch awaiting inclusion upstream (see:
-        ;; https://github.com/realgud/realgud/pull/226).
-        (search-patches "emacs-realgud-fix-configure-ac.patch"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'set-emacs-load-path 'fix-autogen-script
-           (lambda _
-             (substitute* "autogen.sh"
-               (("./configure") "sh configure"))))
-         (add-after 'fix-autogen-script 'autogen
-           (lambda _
-             (setenv "CONFIG_SHELL" "sh")
-             (invoke "sh" "autogen.sh")))
-         (add-after 'fix-autogen-script 'set-home
-           (lambda _
-             (setenv "HOME" (getenv "TMPDIR"))))
-         (add-before 'patch-el-files 'remove-realgud-pkg.el
-           (lambda _
-             ;; XXX: This file is auto-generated at some point and causes
-             ;; substitute* to crash during the `patch-el-files' phase with:
-             ;; ERROR: In procedure stat: No such file or directory:
-             ;; "./realgud-pkg.el"
-             (delete-file "./realgud-pkg.el")
-             ;; FIXME: `patch-el-files' crashes on this file with error:
-             ;; unable to locate "bashdb".
-             (delete-file "./test/test-regexp-bashdb.el"))))
-       #:include (cons* ".*\\.el$" %default-include)))
-    (native-inputs
-     `(("autoconf" ,autoconf)
-       ("automake" ,automake)
-       ("emacs-test-simple" ,emacs-test-simple)))
-    (propagated-inputs
-     `(("emacs-load-relative" ,emacs-load-relative)
-       ("emacs-loc-changes" ,emacs-loc-changes)))
-    (home-page "https://github.com/realgud/realgud/")
-    (synopsis
-     "Modular front-end for interacting with external debuggers")
-    (description
-     "RealGUD is a modular, extensible GNU Emacs front-end for interacting
-with external debuggers.  It integrates various debuggers such as gdb, pdb,
-ipdb, jdb, lldb, bashdb, zshdb, etc. and allows to visually step code in the
-sources.  Unlike GUD, it also supports running multiple debug sessions in
-parallel.")
-    (license license:gpl3+)))
-
-(define-public emacs-request
-  (package
-    (name "emacs-request")
-    (version "0.3.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/tkf/emacs-request.git")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "0wyxqbb35yqf6ci47531lk32d6fppamx9d8826kdz983vm87him7"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-deferred" ,emacs-deferred)))
-    (home-page "https://github.com/tkf/emacs-request")
-    (synopsis "Package for speaking HTTP in Emacs Lisp")
-    (description "This package provides a HTTP request library with multiple
-backends.  It supports url.el which is shipped with Emacs and the curl command
-line program.")
-    (license license:gpl3+)))
-
-(define-public emacs-rudel
-  (package
-    (name "emacs-rudel")
-    (version "0.3.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "http://elpa.gnu.org/packages/rudel-"
-                           version ".tar"))
-       (sha256
-        (base32
-         "0glqa68g509p0s2vcc0i8kzlddnc9brd9jqhnm5rzxz4i050cvnz"))))
-    (build-system emacs-build-system)
-    (home-page "http://rudel.sourceforge.net/")
-    (synopsis "Collaborative editing framework")
-    (description
-     "Rudel is a collaborative editing environment for GNU Emacs.  Its purpose
-is to share buffers with other users in order to edit the contents of those
-buffers collaboratively.  Rudel supports multiple backends to enable
-communication with other collaborative editors using different protocols,
-though currently Obby (for use with the Gobby editor) is the only
-fully-functional one.")
-    (license license:gpl3+)))
-
-(define-public emacs-hydra
-  (package
-    (name "emacs-hydra")
-    (version "0.14.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-              (url "https://github.com/abo-abo/hydra")
-              (commit version)))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "0ln4z2796ycy33g5jcxkqvm7638qxy4sipsab7d2864hh700cikg"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/abo-abo/hydra")
-    (synopsis "Make Emacs bindings that stick around")
-    (description
-     "This package can be used to tie related commands into a family of short
-bindings with a common prefix---a Hydra.  Once you summon the Hydra (through
-the prefixed binding), all the heads can be called in succession with only a
-short extension.  Any binding that isn't the Hydra's head vanquishes the
-Hydra.  Note that the final binding, besides vanquishing the Hydra, will still
-serve its original purpose, calling the command assigned to it.  This makes
-the Hydra very seamless; it's like a minor mode that disables itself
-automatically.")
-    (license license:gpl3+)))
-
-(define-public emacs-ivy
-  (package
-    (name "emacs-ivy")
-    (version "0.10.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/abo-abo/swiper.git")
-             (commit version)))
-       (file-name (string-append name "-" version "-checkout"))
-       (sha256
-        (base32
-         "14vnigqb5c3yi4q9ysw1fiwdqyqwyklqpb9wnjf81chm7s2mshnr"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'install-doc
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (info (string-append out "/share/info")))
-               (with-directory-excursion "doc"
-                 (invoke "makeinfo" "ivy.texi")
-                 (install-file "ivy.info" info)
-                 #t)))))))
-    (propagated-inputs
-     `(("emacs-hydra" ,emacs-hydra)))
-    (native-inputs
-     `(("texinfo" ,texinfo)))
-    (home-page "http://oremacs.com/swiper/")
-    (synopsis "Incremental vertical completion for Emacs")
-    (description
-     "This package provides @code{ivy-read} as an alternative to
-@code{completing-read} and similar functions.  No attempt is made to determine
-the best candidate.  Instead, the user can navigate candidates with
-@code{ivy-next-line} and @code{ivy-previous-line}.  The matching is done by
-splitting the input text by spaces and re-building it into a regular
-expression.")
-    (license license:gpl3+)))
-
-(define-public emacs-ivy-yasnippet
-  (let ((commit "32580b4fd23ebf9ca7dde96704f7d53df6e253cd")
-        (revision "2"))
-    (package
-      (name "emacs-ivy-yasnippet")
-      (version (git-version "0.1" revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/mkcms/ivy-yasnippet.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "1wfg6mmd5gl1qgvayyzpxlkh9s7jgn20y8l1vh1zbj1czvv51xp8"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-ivy" ,emacs-ivy)
-         ("emacs-yasnippet" ,emacs-yasnippet)
-         ("emacs-dash" ,emacs-dash)))
-      (home-page "https://github.com/mkcms/ivy-yasnippet")
-      (synopsis "Preview @code{yasnippets} with @code{ivy}")
-      (description "This package allows you to select @code{yasnippet}
-snippets using @code{ivy} completion.  When current selection changes in the
-minibuffer, the snippet contents are temporarily expanded in the buffer.  To
-use it, call @code{M-x ivy-yasnippet} (but make sure you have enabled
-@code{yas-minor-mode} first).")
-      (license license:gpl3+))))
-
-(define-public emacs-ivy-rich
-  (package
-    (name "emacs-ivy-rich")
-    (version "0.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Yevgnen/ivy-rich/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "14r3mx5rkd4wz0ls5pv5w6c7la3z9iy93d3jfind3xyg4kywy95c"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-ivy" ,emacs-ivy)))
-    (home-page "https://github.com/Yevgnen/ivy-rich")
-    (synopsis "More friendly interface for @code{ivy}")
-    (description
-     "This package extends @code{ivy} by showing more information in the
-minibuffer for each candidate.  It adds columns showing buffer modes, file
-sizes, docstrings, etc.  If @code{emacs-all-the-icons} is installed, it can
-show icons as well.")
-    (license license:gpl3+)))
-
-(define-public emacs-avy
-  (package
-    (name "emacs-avy")
-    (version "0.4.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/abo-abo/avy/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1wdrq512h25ymzjbf2kbsdymvd2ryfwzb6bh5bc3yv7q203im796"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/abo-abo/avy")
-    (synopsis "Tree-based completion for Emacs")
-    (description
-     "This package provides a generic completion method based on building a
-balanced decision tree with each candidate being a leaf.  To traverse the tree
-from the root to a desired leaf, typically a sequence of @code{read-key} can
-be used.
-
-In order for @code{read-key} to make sense, the tree needs to be visualized
-appropriately, with a character at each branch node.  So this completion
-method works only for things that you can see on your screen, all at once,
-such as the positions of characters, words, line beginnings, links, or
-windows.")
-    (license license:gpl3+)))
-
-(define-public emacs-ace-window
-  (package
-    (name "emacs-ace-window")
-    (version "0.9.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/abo-abo/ace-window/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1p2sgfl5dml4zbd6ldql6lm2m9vmd236ah996ni32x254s48j5pn"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-avy" ,emacs-avy)))
-    (home-page "https://github.com/abo-abo/ace-window")
-    (synopsis "Quickly switch windows in Emacs")
-    (description
-     "@code{ace-window} is meant to replace @code{other-window}.
-In fact, when there are only two windows present, @code{other-window} is
-called.  If there are more, each window will have its first character
-highlighted.  Pressing that character will switch to that window.")
-    (license license:gpl3+)))
-
-(define-public emacs-iedit
-  (package
-    (name "emacs-iedit")
-    (version "0.9.9.9")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/victorhge/iedit/archive/v"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1hv8q6pr85ss9g3158l1fqv3m62vsq8rslsi86jicr2dcxyascr0"))))
-    (build-system emacs-build-system)
-    (home-page "http://www.emacswiki.org/emacs/Iedit")
-    (synopsis "Edit multiple regions in the same way simultaneously")
-    (description
-     "This package is an Emacs minor mode and allows you to edit one
-occurrence of some text in a buffer (possibly narrowed) or region, and
-simultaneously have other occurrences edited in the same way.
-
-You can also use Iedit mode as a quick way to temporarily show only the buffer
-lines that match the current text being edited.  This gives you the effect of
-a temporary @code{keep-lines} or @code{occur}.")
-    (license license:gpl3+)))
-
-(define-public emacs-zoutline
-  (let ((commit "b3ee0f0e0b916838c2d2c249beba74ffdb8d5699")
-        (revision "0"))
-    (package
-      (name "emacs-zoutline")
-      (version (git-version "0.1" revision commit))
-      (home-page "https://github.com/abo-abo/zoutline")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url home-page) (commit commit)))
-                (sha256
-                 (base32
-                  "0sd0017piw0dis6dhpq5dkqd3acisxqgipl7dj8gmc1vnswhdwr8"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (synopsis "Simple outline library")
-      (description
-       "This library provides helpers for outlines.  Outlines allow users to
-navigate code in a tree-like fashion.")
-      (license license:gpl3+))))
-
-(define-public emacs-lispy
-  ;; Release 0.26.0 was almost 3 years ago, and there have been ~772 commits
-  ;; since.
-  (let ((commit "c2a358a7a15fcf056a5b7461a8e690b481b03b80")
-        (revision "0"))
-    (package
-      (name "emacs-lispy")
-      (version (git-version "0.26.0" revision commit))
-      (home-page "https://github.com/abo-abo/lispy")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url home-page) (commit commit)))
-                (sha256
-                 (base32
-                  "1g6756qqx2n4cx8jac6mlwayilsiyc5rz8nrqjnywvzc75xdinjd"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-ace-window" ,emacs-ace-window)
-         ("emacs-iedit" ,emacs-iedit)
-         ("emacs-ivy" ,emacs-ivy)
-         ("emacs-hydra" ,emacs-hydra)
-         ("emacs-zoutline" ,emacs-zoutline)))
-      (synopsis "Modal S-expression editing")
-      (description
-       "Due to the structure of Lisp syntax it's very rare for the programmer
-to want to insert characters right before \"(\" or right after \")\".  Thus
-unprefixed printable characters can be used to call commands when the point is
-at one of these special locations.  Lispy provides unprefixed keybindings for
-S-expression editing when point is at the beginning or end of an
-S-expression.")
-      (license license:gpl3+))))
-
-(define-public emacs-lispyville
-  ;; Later versions need a more recent Evil, with an evil-define-key*
-  ;; supporting nil for the state.
-  (let ((commit "b4291857ed6a49a67c4ea77522889ce51fb171ab")
-        (revision "0"))
-    (package
-      (name "emacs-lispyville")
-      (version (git-version "0.1" revision commit))
-      (home-page "https://github.com/noctuid/lispyville")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url home-page) (commit commit)))
-                (sha256
-                 (base32
-                  "095zibzc3naknahdrnb59g9rbljy8wz9rkc7rf8avb3wxlwvxhm3"))
-                (file-name (git-file-name name version))))
-      (propagated-inputs
-       `(("emacs-evil" ,emacs-evil)
-         ("emacs-lispy" ,emacs-lispy)))
-      (build-system emacs-build-system)
-      (synopsis "Minor mode for integrating Evil with lispy")
-      (description
-       "LispyVille's main purpose is to provide a Lisp editing environment
-suited towards Evil users.  It can serve as a minimal layer on top of lispy
-for better integration with Evil, but it does not require the use of lispy’s
-keybinding style.  The provided commands allow for editing Lisp in normal
-state and will work even without lispy being enabled.")
-      (license license:gpl3+))))
-
-(define-public emacs-clojure-mode
-  (package
-    (name "emacs-clojure-mode")
-    (version "5.6.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/clojure-emacs/clojure-mode/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1f4k1hncy5ygh4izn7mqfp744nnisrp9ywn2njknbjxx34ai1q88"))))
-    (build-system emacs-build-system)
-    (native-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-s" ,emacs-s)
-       ("ert-runner" ,emacs-ert-runner)))
-    (arguments
-     `(#:tests? #t
-       #:test-command '("ert-runner")))
-    (home-page "https://github.com/clojure-emacs/clojure-mode")
-    (synopsis "Major mode for Clojure code")
-    (description
-     "This Emacs package provides font-lock, indentation, navigation and basic
-refactoring for the @uref{http://clojure.org, Clojure programming language}.
-It is recommended to use @code{clojure-mode} with paredit or smartparens.")
-    (license license:gpl3+)))
-
-(define-public emacs-epl
-  (package
-    (name "emacs-epl")
-    (version "0.8")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/cask/epl/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1511n3a3f5gvaf2b4nh018by61ciyzi3y3603fzqma7p9hrckarc"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/cask/epl")
-    (synopsis "Emacs Package Library")
-    (description
-     "A package management library for Emacs, based on @code{package.el}.
-
-The purpose of this library is to wrap all the quirks and hassle of
-@code{package.el} into a sane API.")
-    (license license:gpl3+)))
-
-(define-public emacs-queue
-  (package
-    (name "emacs-queue")
-    (version "0.2")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/queue-"
-                                  version ".el"))
-              (sha256
-               (base32
-                "0cx2848sqnnkkr4zisvqadzxngjyhmb36mh0q3if7q19yjjhmrkb"))))
-    (build-system emacs-build-system)
-    (home-page "http://www.dr-qubit.org/tags/computing-code-emacs.html")
-    (synopsis "Queue data structure for Emacs")
-    (description
-     "This Emacs library provides queue data structure.  These queues can be
-used both as a first-in last-out (FILO) and as a first-in first-out (FIFO)
-stack, i.e. elements can be added to the front or back of the queue, and can
-be removed from the front.  This type of data structure is sometimes called an
-\"output-restricted deque\".")
-    (license license:gpl3+)))
-
-(define-public emacs-pkg-info
-  (package
-    (name "emacs-pkg-info")
-    (version "0.6")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/lunaryorn/pkg-info.el/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1gy1jks5mmm02gg1c8gcyr4f8a9s5ggzhk56gv33b9mzjqzi5rd5"))))
-    (build-system emacs-build-system)
-    (propagated-inputs `(("emacs-epl" ,emacs-epl)))
-    (home-page "https://github.com/lunaryorn/pkg-info.el")
-    (synopsis "Information about Emacs packages")
-    (description
-     "This library extracts information from the installed Emacs packages.")
-    (license license:gpl3+)))
-
-(define-public emacs-spinner
-  (package
-    (name "emacs-spinner")
-    (version "1.7.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/spinner-"
-                                  version ".el"))
-              (sha256
-               (base32
-                "19kp1mmndbmw11sgvv2ggfjl4pyf5zrsbh3871f0965pw9z8vahd"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Malabarba/spinner.el")
-    (synopsis "Emacs mode-line spinner for operations in progress")
-    (description
-     "This Emacs package adds spinners and progress-bars to the mode-line for
-ongoing operations.")
-    (license license:gpl3+)))
-
-(define-public emacs-sparql-mode
-  (package
-    (name "emacs-sparql-mode")
-    (version "2.0.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/ljos/sparql-mode/archive/"
-                                  "v" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1s93mkllxnhy7fw616cnnc2danacdlarys0g3cn89drh0llh53cv"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ljos/sparql-mode")
-    (synopsis "SPARQL mode for Emacs")
-    (description "This package provides a major mode for Emacs that provides
-syntax highlighting for SPARQL.  It also provides a way to execute queries
-against a SPARQL HTTP endpoint, such as is provided by Fuseki.  It is also
-possible to query other endpoints like DBPedia.")
-    (license license:gpl3+)))
-
-(define-public emacs-better-defaults
-  (package
-    (name "emacs-better-defaults")
-    (version "0.1.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/technomancy/better-defaults"
-                           "/archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "08fg4zslzlxbvyil5g4gwvwd22fh4zsgqprs5wh9hv1rgc6757m2"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/technomancy/better-defaults")
-    (synopsis "Better defaults for Emacs")
-    (description
-     "Better defaults attempts to address the most obvious deficiencies of the
-Emacs default configuration in uncontroversial ways that nearly everyone can
-agree upon.")
-    (license license:gpl3+)))
-
-(define-public emacs-eprime
-  (let ((commit "17a481af26496be91c07139a9bfc05cfe722506f"))
-    (package
-      (name "emacs-eprime")
-      (version (string-append "20140513-" (string-take commit 7)))
-      (source (origin
-                (method url-fetch)
-                (uri (string-append "https://raw.githubusercontent.com"
-                                    "/AndrewHynes/eprime-mode/"
-                                    commit "/eprime-mode.el"))
-                (file-name (string-append "eprime-" version ".el"))
-                (sha256
-                 (base32
-                  "0v68lggkyq7kbcr9zyi573m2g2x251xy3jadlaw8kx02l8krwq8d"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/AndrewHynes/eprime-mode")
-      (synopsis "E-prime checking mode for Emacs")
-      (description "This package provides an E-prime checking mode for Emacs
-that highlights non-conforming text.  The subset of the English language called
-E-Prime forbids the use of the \"to be\" form to strengthen your writing.")
-      (license license:gpl3+))))
-
-(define-public emacs-julia-mode
-  ;; XXX: Upstream version remained stuck at 0.3.  See
-  ;; <https://github.com/JuliaEditorSupport/julia-emacs/issues/46>.
-  (let ((commit "115d4dc8a07445301772da8376b232fa8c7168f4")
-        (revision "1"))
-    (package
-      (name "emacs-julia-mode")
-      (version (string-append "0.3-" revision "." (string-take commit 8)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/JuliaEditorSupport/julia-emacs.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1is4dcv6blslpzbjcg8l2jpxi8xj96q4cm0nxjxsyswpm8bw8ki0"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:tests? #t
-         #:test-command '("emacs" "--batch"
-                          "-l" "julia-mode-tests.el"
-                          "-f" "ert-run-tests-batch-and-exit")))
-      (home-page "https://github.com/JuliaEditorSupport/julia-emacs")
-      (synopsis "Major mode for Julia")
-      (description "This Emacs package provides a mode for the Julia
-programming language.")
-      (license license:expat))))
-
-(define-public emacs-smex
-  (package
-    (name "emacs-smex")
-    (version "3.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com"
-                                  "/nonsequitur/smex/" version "/smex.el"))
-              (file-name (string-append "smex-" version ".el"))
-              (sha256
-               (base32
-                "0ar310zx9k5y4i1vl2rawvi712xj9gx77160860jbs691p77cxqp"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/nonsequitur/smex/")
-    (synopsis "M-x interface with Ido-style fuzzy matching")
-    (description
-     "Smex is a M-x enhancement for Emacs.  Built on top of Ido, it provides a
-convenient interface to your recently and most frequently used commands.  And
-to all the other commands, too.")
-    (license license:gpl3+)))
-
-(define-public emacs-js2-mode
-  (package
-    (name "emacs-js2-mode")
-    (version "20180301")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/mooz/js2-mode/archive/"
-                                  version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "13aghgwaqrmbf3pbifcry52kya454wnh1gbdh5805n1n6xgjm5w3"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/mooz/js2-mode/")
-    (synopsis "Improved JavaScript editing mode for Emacs")
-    (description
-     "Js2-mode provides a JavaScript major mode for Emacs that is more
-advanced than the built-in javascript-mode.  Features include accurate syntax
-highlighting using a recursive-descent parser, on-the-fly reporting of syntax
-errors and strict-mode warnings, smart line-wrapping within comments and
-strings, and code folding.")
-    (license license:gpl3+)))
-
-(define-public emacs-nodejs-repl
-  (package
-    (name "emacs-nodejs-repl")
-    (version "0.2.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/abicky/nodejs-repl.el"
-                                  "/archive/" version ".tar.gz"))
-              (sha256
-               (base32
-                "0hq2cqdq2668yf48g7qnkci90nhih1gnhacsgz355jnib56lhmkz"))
-              (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/abicky/nodejs-repl.el")
-    (synopsis "Node.js REPL inside Emacs")
-    (description
-     "This program is derived from comint-mode and provides the following
-features:
-
-@itemize
-@item TAB completion same as Node.js REPL
-@item file name completion in string
-@item incremental history search
-@end itemize")
-    (license license:gpl3+)))
-
-(define-public emacs-typescript-mode
-  (package
-    (name "emacs-typescript-mode")
-    (version "0.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/ananthakumaran/typescript.el"
-                    "/archive/v" version ".tar.gz"))
-              (sha256
-               (base32
-                "1gqjirm8scf0wysm7x97zdfbs4qa5nqdl64jfbkd18iskv5mg3rj"))
-              (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ananthakumaran/typescript.el")
-    (synopsis "Emacs major mode for editing Typescript code")
-    (description
-     "This is based on Karl Landstrom's barebones @code{typescript-mode}.
-This is much more robust and works with @code{cc-mode}'s comment
-filling (mostly).  The modifications to the original @code{javascript.el} mode
-mainly consisted in replacing \"javascript\" with \"typescript\"
-
-The main features of this Typescript mode are syntactic highlighting (enabled
-with @code{font-lock-mode} or @code{global-font-lock-mode}), automatic
-indentation and filling of comments and C preprocessor fontification.")
-    (license license:gpl3+)))
-
-(define-public emacs-tide
-  (package
-    (name "emacs-tide")
-    (version "2.8.3.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/ananthakumaran/tide"
-                                  "/archive/v" version ".tar.gz"))
-              (sha256
-               (base32
-                "1k0kzqiv1hfs0kqm37947snzhrsmand3i9chvm6a2r5lb8v9q47y"))
-              (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-s" ,emacs-s)
-       ("emacs-flycheck" ,emacs-flycheck)
-       ("emacs-typescript-mode" ,emacs-typescript-mode)))
-    (home-page "https://github.com/ananthakumaran/tide")
-    (synopsis "Typescript IDE for Emacs")
-    (description
-     "Tide is an Interactive Development Environment (IDE) for Emacs which
-provides the following features:
-
-@itemize
-@item ElDoc
-@item Auto complete
-@item Flycheck
-@item Jump to definition, Jump to type definition
-@item Find occurrences
-@item Rename symbol
-@item Imenu
-@item Compile On Save
-@item Highlight Identifiers
-@item Code Fixes
-@item Code Refactor
-@item Organize Imports
-@end itemize")
-    (license license:gpl3+)))
-
-(define-public emacs-markdown-mode
-  (package
-    (name "emacs-markdown-mode")
-    (version "2.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com/jrblevin"
-                                  "/markdown-mode/v" version
-                                  "/markdown-mode.el"))
-              (file-name (string-append "markdown-mode-" version ".el"))
-              (sha256
-               (base32
-                "152whyrq3dqlqy5wv4mdd94kmal19hs5kwaxjcp2gp2r97lsmdmi"))))
-    (build-system emacs-build-system)
-    (home-page "http://jblevins.org/projects/markdown-mode/")
-    (synopsis "Emacs Major mode for Markdown files")
-    (description
-     "Markdown-mode is a major mode for editing Markdown-formatted text files
-in Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-edit-indirect
-  (package
-    (name "emacs-edit-indirect")
-    (version "0.1.5")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-              (url "https://github.com/Fanael/edit-indirect")
-              (commit version)))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "0by1x53pji39fjrj5bd446kz831nv0vdgw2jqasbym4pc1p2947r"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Fanael/edit-indirect")
-    (synopsis "Edit regions in separate buffers")
-    (description "This package allows you to edit regions in separate buffers,
-like @code{org-edit-src-code} but for arbitrary regions.")
-    (license license:gpl3+)))
-
-(define-public emacs-projectile
-  (package
-    (name "emacs-projectile")
-    (version "0.14.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com/bbatsov"
-                                  "/projectile/v" version "/projectile.el"))
-              (file-name (string-append "projectile-" version ".el"))
-              (sha256
-               (base32
-                "1ql1wnzhblbwnv66hf2y0wq45g71hh6s9inc090lmhm1vgylbd1f"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-pkg-info" ,emacs-pkg-info)))
-    (home-page "https://github.com/bbatsov/projectile")
-    (synopsis "Manage and navigate projects in Emacs easily")
-    (description
-     "This library provides easy project management and navigation.  The
-concept of a project is pretty basic - just a folder containing special file.
-Currently git, mercurial and bazaar repos are considered projects by default.
-If you want to mark a folder manually as a project just create an empty
-.projectile file in it.")
-    (license license:gpl3+)))
-
-(define-public emacs-elfeed
-  (package
-    (name "emacs-elfeed")
-    (version "3.0.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/skeeto/elfeed/archive/"
-                                  version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1wkdrxr6zzqb48czqqv34l87bx8aqjk1739ddqg933aqh241kfvn"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("make" "test")))
-    (home-page "https://github.com/skeeto/elfeed")
-    (synopsis "Atom/RSS feed reader for Emacs")
-    (description
-     "Elfeed is an extensible web feed reader for Emacs, supporting both Atom
-and RSS, with a user interface inspired by notmuch.")
-    (license license:gpl3+)))
-
-(define-public emacs-el-x
-  (package
-    (name "emacs-el-x")
-    (version "0.3.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/sigma/el-x.git")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1i6j44ssxm1xdg0mf91nh1lnprwsaxsx8vsrf720nan7mfr283h5"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         ;; Move the source files to the top level, which is included in
-         ;; the EMACSLOADPATH.
-         (add-after 'unpack 'move-source-files
-           (lambda _
-             (let ((el-files (find-files "./lisp" ".*\\.el$")))
-               (for-each (lambda (f)
-                           (rename-file f (basename f)))
-                         el-files))
-             #t)))))
-    (home-page "https://github.com/sigma/el-x")
-    (synopsis "Emacs Lisp extensions")
-    (description "command@{emacs-el-x} defines the @code{dflet} macro to
-provide the historic behavior of @code{flet}, as well as
-@code{declare-function} stub for older Emacs.")
-    (license license:gpl2+)))
-
-(define-public emacs-mocker
-  (package
-    (name "emacs-mocker")
-    (version "0.3.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/sigma/mocker.el.git")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1lav7am41v63xgavq8pr88y828jmd1cxd4prjq7jlbxm6nvrwxh2"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("ert-runner")))
-    (native-inputs
-     `(("ert-runner" ,emacs-ert-runner)))
-    (propagated-inputs
-     `(("emacs-el-x" ,emacs-el-x)))
-    (home-page "https://github.com/sigma/mocker.el")
-    (synopsis "Mocking framework for Emacs Lisp")
-    (description "Mocker.el is a framework for writing tests in Emacs Lisp.
-It uses regular Lisp rather than a domain specific language (DSL), which
-maximizes flexibility (at the expense of conciseness).")
-    (license license:gpl2+)))
-
-(define-public emacs-find-file-in-project
-  (package
-    (name "emacs-find-file-in-project")
-    (version "5.4.7")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/technomancy/find-file-in-project.git")
-                    (commit version)))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1sdnyqv69mipbgs9yax88m9b6crsa59rjhwrih197pifl4089awr"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'check 'set-shell
-           ;; Otherwise Emacs shell-file-name is set to "/bin/sh", which doesn't
-           ;; work.
-           (lambda _
-             (setenv "SHELL" (which "sh"))
-             #t)))
-       #:tests? #t
-       #:test-command '("./tests/test.sh")))
-    (home-page "https://github.com/technomancy/find-file-in-project")
-    (synopsis "File/directory finder for Emacs")
-    (description "@code{find-file-in-project} allows to find files or
-directories quickly in the current project.  The project root is detected
-automatically when Git, Subversion or Mercurial are used.  It also provides
-functions to assist in reviewing changes on files.")
-    (license license:gpl3+)))
-
-(define-public emacs-pyvenv
-  (package
-    (name "emacs-pyvenv")
-    (version "1.11")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/jorgenschaefer/pyvenv.git")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1a346qdimr1dvj53q033aqnahwd2dhyn9jadrs019nm0bzgw7g63"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         ;; This phase incorrectly attempts to substitute "activate" and fails
-         ;; doing so.
-         (delete 'patch-el-files))
-       #:tests? #t
-       #:test-command '("ert-runner")))
-    (native-inputs
-     `(("ert-runner" ,emacs-ert-runner)
-       ("emacs-mocker" ,emacs-mocker)))
-    (home-page "https://github.com/jorgenschaefer/pyvenv")
-    (synopsis "Virtualenv minor mode for Emacs")
-    (description "pyvenv.el is a minor mode to support using Python virtual
-environments (virtualenv) inside Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-highlight-indentation
-  (package
-    (name "emacs-highlight-indentation")
-    (version "0.7.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/antonj/Highlight-Indentation-for-Emacs.git")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "00l54k75qk24a0znzl4ij3s3nrnr2wy9ha3za8apphzlm98m907k"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/antonj/Highlight-Indentation-for-Emacs/")
-    (synopsis "Highlighting indentation for Emacs")
-    (description "Provides two minor modes to highlight indentation guides in Emacs:
-@enumerate
-@item @code{highlight-indentation-mode}, which displays guidelines
-indentation (space indentation only).
-@item @code{highlight-indentation-current-column-mode}, which displays guidelines for the current-point indentation (space indentation only).
-@end enumerate")
-    (license license:gpl2+)))
-
-(define-public emacs-elpy
-  (package
-    (name "emacs-elpy")
-    (version "1.27.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/jorgenschaefer/elpy.git")
-                    (commit version)))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1b76y0kzk7s9ya8k9bpsgn31i9l0rxs4iz6lg7snhjgh03k0ssgv"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:include (cons* "^elpy/[^/]+\\.py$" "^snippets\\/" %default-include)
-       #:phases
-       ;; TODO: Make `elpy-config' display Guix commands :)
-       (modify-phases %standard-phases
-         ;; One elpy test depends on being run inside a Python virtual
-         ;; environment to pass. We have nothing to gain from doing so here,
-         ;; so we just trick Elpy into thinking we are (see:
-         ;; https://github.com/jorgenschaefer/elpy/pull/1293).
-         (add-before 'check 'fake-virtualenv
-           (lambda _
-             (setenv "VIRTUAL_ENV" "/tmp")
-             #t))
-         (add-before 'check 'build-doc
-           (lambda _
-             (with-directory-excursion "docs"
-               (invoke "make" "info" "man"))
-             ;; Move .info file at the root so that it can installed by the
-             ;; 'move-doc phase.
-             (rename-file "docs/_build/texinfo/Elpy.info" "Elpy.info")
-              #t))
-         (add-after 'build-doc 'install-manpage
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let* ((out  (assoc-ref outputs "out"))
-                    (man1 (string-append out "/share/man/man1")))
-               (mkdir-p man1)
-               (copy-file "docs/_build/man/elpy.1"
-                          (string-append man1 "/elpy.1")))
-             #t)))
-       #:tests? #t
-       #:test-command '("ert-runner")))
-    (propagated-inputs
-     `(("emacs-company" ,emacs-company)
-       ("emacs-find-file-in-project" ,emacs-find-file-in-project)
-       ("emacs-highlight-indentation" ,emacs-highlight-indentation)
-       ("emacs-yasnippet" ,emacs-yasnippet)
-       ("pyvenv" ,emacs-pyvenv)
-       ("s" ,emacs-s)))
-    (native-inputs
-     `(("ert-runner" ,emacs-ert-runner)
-       ("emacs-f" ,emacs-f)
-       ("python" ,python-wrapper)
-       ("python-autopep8" ,python-autopep8)
-       ("python-black" ,python-black)
-       ("python-flake8" ,python-flake8)
-       ("python-jedi" ,python-jedi)
-       ("python-yapf" ,python-yapf)
-       ;; For documentation.
-       ("python-sphinx" ,python-sphinx)
-       ("texinfo" ,texinfo)))
-    (home-page "https://github.com/jorgenschaefer/elpy")
-    (synopsis "Python development environment for Emacs")
-    (description "Elpy brings powerful Python editing to Emacs.  It combines
-and configures a number of other packages written in Emacs Lisp as well as
-Python, together offering features such as navigation, documentation,
-completion, interactive development and more.")
-    (license license:gpl3+)))
-
-(define-public emacs-rainbow-delimiters
-  (package
-    (name "emacs-rainbow-delimiters")
-    (version "2.1.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com/Fanael"
-                                  "/rainbow-delimiters/" version
-                                  "/rainbow-delimiters.el"))
-              (file-name (string-append "rainbow-delimiters-" version ".el"))
-              (sha256
-               (base32
-                "1b3kampwsjabhcqdp0khgff13wc5jqhy3rbvaa12vnv7qy22l9ck"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Fanael/rainbow-delimiters")
-    (synopsis "Highlight brackets according to their depth")
-    (description
-     "Rainbow-delimiters is a \"rainbow parentheses\"-like mode for Emacs which
-highlights parentheses, brackets, and braces according to their depth.  Each
-successive level is highlighted in a different color, making it easy to spot
-matching delimiters, orient yourself in the code, and tell which statements
-are at a given level.")
-    (license license:gpl3+)))
-
-(define-public emacs-rainbow-identifiers
-  (package
-    (name "emacs-rainbow-identifiers")
-    (version "0.2.2")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com/Fanael"
-                                  "/rainbow-identifiers/" version
-                                  "/rainbow-identifiers.el"))
-              (file-name (string-append "rainbow-identifiers-" version ".el"))
-              (sha256
-               (base32
-                "0325abxj47k0g1i8nqrq70w2wr6060ckhhf92krv1s072b3jzm31"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Fanael/rainbow-identifiers")
-    (synopsis "Highlight identifiers in source code")
-    (description
-     "Rainbow identifiers mode is an Emacs minor mode providing highlighting of
-identifiers based on their names.  Each identifier gets a color based on a hash
-of its name.")
-    (license license:bsd-2)))
-
-(define-public emacs-rainbow-mode
-  (package
-    (name "emacs-rainbow-mode")
-    (version "1.0.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "http://elpa.gnu.org/packages/rainbow-mode-" version ".el"))
-              (sha256
-               (base32
-                "0cpga4ax635rfpj7y2vmh7ank0yw00dcy20gjg1mj74r97by8csf"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/rainbow-mode.html")
-    (synopsis "Colorize color names in buffers")
-    (description
-     "This minor mode sets background color to strings that match color
-names, e.g. #0000ff is displayed in white with a blue background.")
-    (license license:gpl3+)))
-
-(define-public emacs-visual-fill-column
-  (package
-    (name "emacs-visual-fill-column")
-    (version "1.11")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://codeload.github.com/joostkremers/"
-                                  "visual-fill-column/tar.gz/" version))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "13jnviakp607zcms7f8ams56mr8wffnq1pghlc6fvqs39663pgwh"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/joostkremers/visual-fill-column")
-    (synopsis "Fill-column for visual-line-mode")
-    (description
-     "@code{visual-fill-column-mode} is a small Emacs minor mode that mimics
-the effect of @code{fill-column} in @code{visual-line-mode}.  Instead of
-wrapping lines at the window edge, which is the standard behaviour of
-@code{visual-line-mode}, it wraps lines at @code{fill-column}.  If
-@code{fill-column} is too large for the window, the text is wrapped at the
-window edge.")
-    (license license:gpl3+)))
-
-(define-public emacs-writeroom
-  (package
-    (name "emacs-writeroom")
-    (version "3.7")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/joostkremers/writeroom-mode/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0yqgp5h3kvvpgva4azakb2wnjl7gsyh45glf75crspv3xyq57f2r"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-visual-fill-column" ,emacs-visual-fill-column)))
-    (home-page "https://github.com/joostkremers/writeroom-mode")
-    (synopsis "Distraction-free writing for Emacs")
-    (description
-     "This package defines a minor mode for distraction-free writing.  Some of
-the default effects include entering fullscreen, deleting other windows of the
-current frame, disabling the mode line, and adding margins to the buffer that
-restrict the text width to 80 characters.")
-    (license license:bsd-3)))
-
-(define-public emacs-ido-completing-read+
-  (package
-    (name "emacs-ido-completing-read+")
-    (version "3.12")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com"
-                                  "/DarwinAwardWinner/ido-ubiquitous/v"
-                                  version "/ido-completing-read+.el"))
-              (file-name (string-append "ido-completing-read+-" version ".el"))
-              (sha256
-               (base32
-                "1cyalb0p7nfsm4n6n9q6rjmvn6adqc0fq8ybnlj3n41n289dkfjf"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/DarwinAwardWinner/ido-ubiquitous")
-    (synopsis "Replacement for completing-read using ido")
-    (description
-     "The ido-completing-read+ function is a wrapper for ido-completing-read.
-Importantly, it detects edge cases that ordinary ido cannot handle and either
-adjusts them so ido can handle them, or else simply falls back to the standard
-Emacs completion function instead.")
-    (license license:gpl3+)))
-
-(define-public emacs-ido-ubiquitous
-  (package
-    (name "emacs-ido-ubiquitous")
-    (version "3.12")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com"
-                                  "/DarwinAwardWinner/ido-ubiquitous/v"
-                                  version "/ido-ubiquitous.el"))
-              (file-name (string-append "ido-ubiquitous-" version ".el"))
-              (sha256
-               (base32
-                "197ypji0fb6jsdcq40rpnknwlh3imas6s6jbsvkfm0pz9988c3q2"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-ido-completing-read+" ,emacs-ido-completing-read+)))
-    (home-page "https://github.com/DarwinAwardWinner/ido-ubiquitous")
-    (synopsis "Use ido (nearly) everywhere")
-    (description
-     "Ido-ubiquitous enables ido-style completion for almost every function
-that uses the standard completion function completing-read.")
-  (license license:gpl3+)))
-
-(define-public emacs-yaml-mode
-  (package
-    (name "emacs-yaml-mode")
-    (version "0.0.13")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com/yoshiki"
-                                  "/yaml-mode/v" version "/yaml-mode.el"))
-              (file-name (string-append "yaml-mode-" version ".el"))
-              (sha256
-               (base32
-                "0im88sk9dqw03x6d6zaspgvg9i0pfpgb8f2zygrmbifh2w4pwmvj"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/yoshiki/yaml-mode")
-    (synopsis "Major mode for editing YAML files")
-    (description
-     "Yaml-mode is an Emacs major mode for editing files in the YAML data
-serialization format.  It was initially developed by Yoshiki Kurihara and many
-features were added by Marshall Vandegrift.  As YAML and Python share the fact
-that indentation determines structure, this mode provides indentation and
-indentation command behavior very similar to that of python-mode.")
-    (license license:gpl3+)))
-
-(define-public emacs-web-mode
-  (package
-    (name "emacs-web-mode")
-    (version "16")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://raw.githubusercontent.com/fxbois"
-                                  "/web-mode/v" version "/web-mode.el"))
-              (file-name (string-append "web-mode-" version ".el"))
-              (sha256
-               (base32
-                "1hs5w7kdvcyn4ihyw1kfjg48djn5p7lz4rlbhzzdqv1g56xqx3gw"))))
-    (build-system emacs-build-system)
-    (synopsis "Major mode for editing web templates")
-    (description "Web-mode is an Emacs major mode for editing web templates
-aka HTML files embedding parts (CSS/JavaScript) and blocks (pre rendered by
-client/server side engines).  Web-mode is compatible with many template
-engines: PHP, JSP, ASP, Django, Twig, Jinja, Mustache, ERB, FreeMarker,
-Velocity, Cheetah, Smarty, CTemplate, Mustache, Blade, ErlyDTL, Go Template,
-Dust.js, React/JSX, Angularjs, ejs, etc.")
-    (home-page "http://web-mode.org/")
-    (license license:gpl3+)))
-
-(define-public emacs-wgrep
-  (let ((commit "414be70bd313e482cd9f0b70fd2daad4ee23497c"))
-    ;; Late commit fixes compatibility issue with Emacs 26+.
-    (package
-      (name "emacs-wgrep")
-      (version (git-version "2.1.10" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/mhayashi1120/Emacs-wgrep")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "1sdhd587q3pg92lhiayph87azhalmf1gzrnsprkmqvnphv7mvks9"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/mhayashi1120/Emacs-wgrep")
-      (synopsis "Edit a grep buffer and apply those changes to the files")
-      (description
-       "Emacs wgrep allows you to edit a grep buffer and apply those changes
-to the file buffer.  Several backends are supported beside the classic grep:
-ack, ag, helm and pt.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm
-  (package
-    (name "emacs-helm")
-    (version "3.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/" name "/helm/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0k2r0ccppaqfjvyszaxa16vf7g2qzj1clhfr6v646ncsy17laciw"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-async" ,emacs-async)
-       ("emacs-popup" ,emacs-popup)))
-    (home-page "https://emacs-helm.github.io/helm/")
-    (synopsis "Incremental completion and selection narrowing
-framework for Emacs")
-    (description "Helm is incremental completion and selection narrowing
-framework for Emacs.  It will help steer you in the right direction when
-you're looking for stuff in Emacs (like buffers, files, etc).  Helm is a fork
-of @code{anything.el} originally written by Tamas Patrovic and can be
-considered to be its successor.  Helm sets out to clean up the legacy code in
-@code{anything.el} and provide a cleaner, leaner and more modular tool, that's
-not tied in the trap of backward compatibility.")
-    (license license:gpl3+)))
-
-(define-public emacs-helm-swoop
-  (package
-    (name "emacs-helm-swoop")
-    (version "1.7.4")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/ShingoFukuyama/helm-swoop/archive/"
-                    version
-                    ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1ssivsjzlnkg049cg993l8fp09l5nhpz6asj7w5c91zp5kpc6fh7"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-helm" ,emacs-helm)))
-    (home-page "https://github.com/ShingoFukuyama/helm-swoop")
-    (synopsis "Filter and jump to lines in an Emacs buffer using Helm")
-    (description
-     "This package builds on the Helm interface to provide several commands
-for search-based navigation of buffers.")
-    (license license:gpl2+)))
-
-(define-public emacs-helm-projectile
-  (package
-    (name "emacs-helm-projectile")
-    (version "0.14.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/bbatsov/helm-projectile/archive/v"
-                    version
-                    ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "19cfmilqh8kbab3b2hmx6lyrj73q6vfmn3p730x95g23iz16mnd5"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-helm" ,emacs-helm)
-       ("emacs-projectile" ,emacs-projectile)))
-    (home-page "https://github.com/bbatsov/helm-projectile")
-    (synopsis "Helm integration for Projectile")
-    (description
-     "This Emacs library provides a Helm interface for Projectile.")
-    (license license:gpl3+)))
-
-(define-public emacs-helm-make
-  (let ((commit "feae8df22bc4b20705ea08ac9adfc2b43bb348d0")
-        (revision "1"))
-    (package
-      (name "emacs-helm-make")
-      (version (string-append "0.1.0-" revision "." (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/abo-abo/helm-make.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1y2v77mmd1bfkkz51cnk1l0dg3lvvxc39wlamnm7wjns66dbvlam"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-projectile" ,emacs-projectile)))
-      (home-page "https://github.com/abo-abo/helm-make")
-      (synopsis "Select a Makefile target with helm")
-      (description "@code{helm-make} or @code{helm-make-projectile} will give
-you a @code{helm} selection of directory Makefile's targets.  Selecting a
-target will call @code{compile} on it.")
-      (license license:gpl3+))))
-
-(define-public emacs-cider
-  (package
-    (name "emacs-cider")
-    (version "0.18.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/clojure-emacs/cider.git")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1m9kc88vga3q5d731qnpngnsa0n57pf21k3hll20rw8rggrx4vdn"))))
-    (build-system emacs-build-system)
-    (arguments
-     '(#:exclude                        ; Don't exclude 'cider-test.el'.
-       '("^\\.dir-locals\\.el$" "^test/")))
-    (propagated-inputs
-     `(("emacs-clojure-mode" ,emacs-clojure-mode)
-       ("emacs-sesman" ,emacs-sesman)
-       ("emacs-spinner" ,emacs-spinner)
-       ("emacs-pkg-info" ,emacs-pkg-info)
-       ("emacs-queue" ,emacs-queue)))
-    (home-page "https://cider.readthedocs.io/")
-    (synopsis "Clojure development environment for Emacs")
-    (description
-     "CIDER (Clojure Interactive Development Environment that Rocks) aims to
-provide an interactive development experience similar to the one you'd get
-when programming in Emacs Lisp, Common Lisp (with SLIME or Sly), Scheme (with
-Geiser) and Smalltalk.
-
-CIDER is the successor to the now deprecated combination of using SLIME +
-swank-clojure for Clojure development.
-
-There are plenty of differences between CIDER and SLIME, but the core ideas
-are pretty much the same (and SLIME served as the principle inspiration for
-CIDER).")
-    (license license:gpl3+)))
-
-;; There hasn't been a tag or release since 2015, so we take the latest
-;; commit.
-(define-public emacs-sly
-  (let ((commit "486bfbe95612bcdc0960c490207970a188e0fbb9")
-        (revision "1"))
-    (package
-      (name "emacs-sly")
-      (version (string-append "1.0.0-" revision "." (string-take commit 9)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/joaotavora/sly.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0ib4q4k3h3qn88pymyjjmlmnpizdn1mfg5gpk5a715nqsgxlg09l"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:include (cons "^lib\\/" %default-include)
-         #:phases
-         ;; The package provides autoloads.
-         (modify-phases %standard-phases
-           (delete 'make-autoloads))))
-      (home-page "https://github.com/joaotavora/sly")
-      (synopsis "Sylvester the Cat's Common Lisp IDE")
-      (description
-       "SLY is Sylvester the Cat's Common Lisp IDE.  SLY is a fork of SLIME, and
-contains the following improvements over it:
-
-@enumerate
-@item Completely redesigned REPL based on Emacs's own full-featured
-  @code{comint.el}
-@item Live code annotations via a new @code{sly-stickers} contrib
-@item Consistent interactive button interface.  Everything can be copied to
-  the REPL.
-@item Multiple inspectors with independent history
-@item Regexp-capable @code{M-x sly-apropos}
-@item Contribs are first class SLY citizens and enabled by default
-@item Use ASDF to loads contribs on demand.
-@end enumerate
-
-SLY tracks SLIME's bugfixes and all its familar features (debugger, inspector,
-xref, etc...) are still available, but with better integration.")
-      (license license:gpl3+))))
-
-(define-public emacs-lua-mode
-  (let ((commit "652e299cb967fccca827dda381d61a9c144d97de")
-        (revision "1"))
-    (package
-      (name "emacs-lua-mode")
-      (version (string-append "20151025." revision "-" (string-take commit 9)))
-      (home-page "https://github.com/immerrr/lua-mode/")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url home-page)
-                      (commit commit)))
-                (file-name (string-append name "-" version ".checkout"))
-                (sha256
-                 (base32
-                  "053025k930wh0lak6rc1973ynfrmm8zsyzfqhhd39x7abkl41hc9"))))
-      (build-system emacs-build-system)
-      (synopsis "Major mode for lua")
-      (description
-       "This Emacs package provides a mode for @uref{https://www.lua.org/,
-Lua programing language}.")
-      (license license:gpl2+))))
-
-(define-public emacs-ebuild-mode
-  (package
-    (name "emacs-ebuild-mode")
-    (version "1.37")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://dev.gentoo.org/~ulm/emacs/ebuild-mode"
-                    "-" version ".tar.xz"))
-              (file-name (string-append name "-" version ".tar.xz"))
-              (sha256
-               (base32
-                "07dzrdjjczkxdfdgi60h4jjkvzi4p0k9rij2wpfp8s03ay3qldpp"))))
-    (build-system emacs-build-system)
-    (home-page "https://devmanual.gentoo.org")
-    (synopsis "Major modes for Gentoo package files")
-    (description
-     "This Emacs package provides modes for ebuild, eclass, eblit, GLEP42
-news items, openrc and runscripts.")
-    (license license:gpl2+)))
-
-(define-public emacs-evil
-  (let ((commit "230b87212c81aaa68ef5547a6b998d9c365fe139"))
-    (package
-      (name "emacs-evil")
-      (version (git-version "1.2.13" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacs-evil/evil")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0c9zy3bpck10gcrv79kd3h7i4ygd5bgbgy773n0lg7a2r5kwn1gx"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-undo-tree" ,emacs-undo-tree)
-         ("emacs-goto-chg" ,emacs-goto-chg)))
-      (home-page "https://github.com/emacs-evil/evil")
-      (synopsis "Extensible Vi layer for Emacs")
-      (description
-       "Evil is an extensible vi layer for Emacs.  It emulates the
-main features of Vim, and provides facilities for writing custom
-extensions.")
-      (license license:gpl3+))))
-
-(define-public emacs-evil-collection
-  (let ((commit "4e1f0e0b17153d460805a0da90d6191d66b2673d")
-        (revision "5"))
-    (package
-      (name "emacs-evil-collection")
-      (version (git-version "0.0.1" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/emacs-evil/evil-collection")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "11d5ppdnb2y2mwsdd9g62h7zds962kw3nss89zv5iwgcf9f1fb5x"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-evil" ,emacs-evil)))
-      (home-page "https://github.com/emacs-evil/evil-collection")
-      (synopsis "Collection of Evil bindings for many major and minor modes")
-      (description "This is a collection of Evil bindings for the parts of
-Emacs that Evil does not cover properly by default, such as @code{help-mode},
-@code{M-x calendar}, Eshell and more.")
-      (license license:gpl3+))))
-
-(define-public emacs-goto-chg
-  (package
-    (name "emacs-goto-chg")
-    (version "1.6")
-    (source
-     (origin
-       (method url-fetch)
-       ;; There is no versioned source.
-       (uri "https://www.emacswiki.org/emacs/download/goto-chg.el")
-       (file-name (string-append "goto-chg-" version ".el"))
-       (sha256
-        (base32
-         "078d6p4br5vips7b9x4v6cy0wxf6m5ij9gpqd4g33bryn22gnpij"))))
-    (build-system emacs-build-system)
-    ;; There is no other home page.
-    (home-page "https://www.emacswiki.org/emacs/goto-chg.el")
-    (synopsis "Go to the last change in the Emacs buffer")
-    (description
-     "This package provides @code{M-x goto-last-change} command that goes to
-the point of the most recent edit in the current Emacs buffer.  When repeated,
-go to the second most recent edit, etc.  Negative argument, @kbd{C-u -}, is
-used for reverse direction.")
-    (license license:gpl2+)))
-
-(define-public emacs-monroe
-  (package
-    (name "emacs-monroe")
-    (version "0.3.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (string-append "https://github.com/sanel/monroe/archive/"
-                            version ".tar.gz"))
-        (file-name (string-append name "-" version ".tar.gz"))
-        (sha256
-          (base32
-            "0icdx8shkd951phlnmcq1vqaxp1l667q5rjscskc5r22aylakh4w"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/sanel/monroe")
-    (synopsis "Clojure nREPL client for Emacs")
-    (description
-      "Monroe is a nREPL client for Emacs, focused on simplicity and easy
-distribution, primarily targeting Clojure users")
-    (license license:gpl3+)))
-
-(define-public emacs-orgalist
-  (package
-    (name "emacs-orgalist")
-    (version "1.9")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/"
-                           "orgalist-" version ".el"))
-       (sha256
-        (base32
-         "1rmmcyiiqkq54hn74nhzxzl4nvd902hv6gq341jwhrm7yiagffi6"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/orgalist.html")
-    (synopsis "Manage Org-like lists in non-Org buffers")
-    (description "Write Org mode's plain lists in non-Org buffers.  More
-specifically, Orgalist supports the syntax of Org mode for numbered,
-unnumbered, description items, checkboxes, and counter cookies.
-
-The library also implements radio lists, i.e., lists written in Org
-syntax later translated into the host format, e.g., LaTeX or HTML.")
-    (license license:gpl3+)))
-
-(define-public emacs-writegood-mode
-  (package
-    (name "emacs-writegood-mode")
-    (version "2.0.2")
-    (home-page "https://github.com/bnbeckwith/writegood-mode")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url home-page)
-                    (commit (string-append "v" version))))
-              (sha256
-               (base32
-                "1nnjn1r669hvvzfycllwap4w04m8rfsk4nzcg8057m1f263kj31b"))
-              (file-name (string-append name "-checkout"))))
-    (build-system emacs-build-system)
-    (synopsis "Polish up poor writing on the fly")
-    (description
-     "This minor mode tries to find and highlight problems with your writing
-in English as you type.  It primarily detects \"weasel words\" and abuse of
-passive voice.")
-    (license license:gpl3+)))
-
-(define-public emacs-neotree
-  (package
-    (name "emacs-neotree")
-    (version "0.5.2")
-    (home-page "https://github.com/jaypei/emacs-neotree")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/jaypei/" name
-                    "/archive/" version ".tar.gz"))
-              (sha256
-               (base32
-                "1zd6dchwyijnf7kgchfcp51gs938l204dk9z6mljrfqf2zy0gp12"))
-              (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (synopsis "Folder tree view for Emacs")
-    (description "This Emacs package provides a folder tree view.")
-    (license license:gpl3+)))
-
-(define-public emacs-org
-  (package
-    (name "emacs-org")
-    ;; emacs-org-contrib inherits from this package.  Please update its sha256
-    ;; checksum as well.
-    (version "9.2")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "http://elpa.gnu.org/packages/org-"
-                                  version ".tar"))
-              (sha256
-               (base32
-                "14ydwh2r360fpi6v2g9rgf0zazy2ddq1pcdxvzn73h65glnnclz9"))))
-    (build-system emacs-build-system)
-    (home-page "https://orgmode.org/")
-    (synopsis "Outline-based notes management and organizer")
-    (description "Org is an Emacs mode for keeping notes, maintaining TODO
-lists, and project planning with a fast and effective lightweight markup
-language.  It also is an authoring system with unique support for literate
-programming and reproducible research.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-contrib
-  (package
-    (inherit emacs-org)
-    (name "emacs-org-contrib")
-    (version "20181230")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://orgmode.org/elpa/org-plus-contrib-"
-                                  version ".tar"))
-              (sha256
-               (base32
-                "0gibwcjlardjwq19bh0zzszv0dxxlml0rh5iikkcdynbgndk1aa1"))))
-    (arguments
-     `(#:modules ((guix build emacs-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils)
-                  (ice-9 ftw)
-                  (srfi srfi-1))
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'delete-org-files
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (org (assoc-ref inputs "org"))
-                    (contrib-files
-                     (map basename (find-files out)))
-                    (org+contrib-files
-                     (map basename (find-files org)))
-                    (duplicates (lset-intersection
-                                 string=? contrib-files org+contrib-files)))
-               (with-directory-excursion
-                   (string-append
-                    out "/share/emacs/site-lisp/guix.d/org-contrib-" ,version)
-                 (for-each delete-file duplicates))
-               #t))))))
-    (propagated-inputs
-     `(("arduino-mode" ,emacs-arduino-mode)
-       ("cider" ,emacs-cider)
-       ("org" ,emacs-org)
-       ("scel" ,emacs-scel)))
-    (synopsis "Contributed packages to Org mode")
-    (description "Org is an Emacs mode for keeping notes, maintaining TODO
-lists, and project planning with a fast and effective plain-text system.
-
-This package is equivalent to org-plus-contrib, but only includes additional
-files that you would find in @file{contrib/} from the git repository.")))
-
-(define-public emacs-flx
-  (package
-    (name "emacs-flx")
-    (version "0.6.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/lewang/"
-                           "flx/archive/v" version ".tar.gz"))
-       (sha256
-        (base32
-         "0bkcpnf1j4i2fcc2rllwbz62l00sw2mcia6rm5amgwvlkqavmkv6"))
-       (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/lewang/flx")
-    (synopsis "Fuzzy matching for Emacs")
-    (description
-     "Flx provides fuzzy matching for emacs a la sublime text.
-The sorting algorithm is a balance between word beginnings (abbreviation)
-and contiguous matches (substring).  The longer the substring match,
-the higher it scores. This maps well to how we think about matching.
-Flx has support for ido (interactively do things) through flx-ido.")
-    (license license:gpl3+)))
-
-(define-public emacs-cyberpunk-theme
-  (package
-    (name "emacs-cyberpunk-theme")
-    (version "1.19")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/n3mo/cyberpunk-theme.el/"
-                           "archive/" version ".tar.gz"))
-       (sha256
-        (base32
-         "05l5fxw1mn5py6mfhxrzyqjq0d8m5m1akfi46vrgh13r414jffvv"))
-       (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/n3mo/cyberpunk-theme.el")
-    (synopsis "Cyberpunk theme for emacs built-in color theme support")
-    (description
-     "Cyberpunk color theme for the emacs 24+ built-in color theme support
-known loosely as deftheme.  Many mode-specific customizations are included.")
-    (license license:gpl3+)))
-
-(define-public emacs-danneskjold-theme
-  (let* ((commit "8733d2fe8743e8a01826ea6d4430ef376c727e57")
-         (revision "1"))
-    (package
-      (name "emacs-danneskjold-theme")
-      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
-      (home-page "https://github.com/rails-to-cosmos/danneskjold-theme")
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url home-page)
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0s6rbsb0y8i8m5b9xm4gw1p1cxsxdqnqxqqb638pygz9f76mbir1"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'delete-screenshots
-             (lambda _
-               (delete-file-recursively "screenshots") #t)))))
-      (synopsis "High-contrast Emacs theme")
-      (description
-       "@code{danneskjold-theme} is a high-contrast theme for Emacs.")
-      (license license:gpl3+))))
-
-(define-public emacs-dream-theme
-  (let* ((commit "107a11d74365046f28a1802a2bdb5e69e4a7488b")
-         (revision "1"))
-    (package
-      (name "emacs-dream-theme")
-      (version (string-append "0.0.0-" revision "." (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/djcb/dream-theme")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0za18nfkq4xqm35k6006vsixcbmvmxqgma4iw5sw37h8vmcsdylk"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/djcb/dream-theme")
-      (synopsis "High-contrast Emacs theme")
-      (description
-       "@code{dream-theme} is a dark, clean theme for Emacs.  It is inspired
-by zenburn, sinburn and similar themes, but slowly diverging from them.")
-      (license license:gpl3+))))
-
-(define-public emacs-auto-complete
-  (package
-    (name "emacs-auto-complete")
-    (version "1.5.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/auto-complete/"
-                           "auto-complete/archive/v" version ".tar.gz"))
-       (sha256
-        (base32
-         "1jvq4lj00hwml75lpmlciazy8f3bbg13gffsfnl835p4qd8l7yqv"))
-       (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-popup" ,emacs-popup)))
-    (home-page "https://github.com/auto-complete/auto-complete")
-    (synopsis "Intelligent auto-completion extension for Emacs")
-    (description
-     "Auto-Complete is an intelligent auto-completion extension for Emacs.
-It extends the standard Emacs completion interface and provides an environment
-that allows users to concentrate more on their own work.  Its features are:
-a visual interface, reduce overhead of completion by using statistic method,
-extensibility.")
-    (license license:gpl3+)))
-
 (define-public m17n-db
   (package
     (name "m17n-db")
@@ -5763,7197 +342,3 @@ display and edit the text.
 
 This package contains the library runtime.")
     (license license:lgpl2.1+)))
-
-(define-public emacs-nginx-mode
-  (package
-    (name "emacs-nginx-mode")
-    (version "1.1.9")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/ajc/nginx-mode/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0bzyrj6zz1hm67bkhw23bam7qc869s3zg7m1rb1c3aa4n0aw90cq"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ajc/nginx-mode")
-    (synopsis "Emacs major mode for editing nginx config files")
-    (description "This package provides an Emacs major mode for
-editing nginx config files.")
-    (license license:gpl2+)))
-
-(define-public emacs-stream
-  (package
-    (name "emacs-stream")
-    (version "2.2.0")
-    (home-page "https://github.com/NicolasPetton/stream")
-    (source
-     (origin
-       (method url-fetch)
-       (file-name (string-append name "-" version ".tar.gz"))
-       (uri (string-append home-page "/archive/"version ".tar.gz"))
-       (sha256
-        (base32 "03ql4nqfz5pn55mjly6clhvc3g7x2d28kj7mrlqmigvjbql39xxc"))))
-    (build-system emacs-build-system)
-    (synopsis "Implementation of streams for Emacs")
-    (description "This library provides an implementation of streams for Emacs.
-Streams are implemented as delayed evaluation of cons cells.")
-    (license license:gpl3+)))
-
-(define-public emacs-el-search
-  (let ((commit "f26277bfbb3fc3fc74beea6592f294c439796bd4")
-        (revision "1"))
-    (package
-      (name "emacs-el-search")
-      ;; No ufficial release.
-      (version (string-append "0.0-" revision "." (string-take commit 7)))
-      (home-page "https://github.com/emacsmirror/el-search")
-      (source
-       (origin
-         (method git-fetch)
-         (file-name (string-append name "-" version ".tar.gz"))
-         (uri (git-reference
-               (commit commit)
-               (url (string-append home-page ".git"))))
-         (sha256
-          (base32 "12xf40h9sb7xxg2r97gsia94q02543mgiiiw46fzh1ac7b7993g6"))))
-      (build-system emacs-build-system)
-      (inputs `(("emacs-stream" ,emacs-stream)))
-      (synopsis "Expression based interactive search for emacs-lisp-mode")
-      (description "This package provides expression based interactive search
-procedures for emacs-lisp-mode.")
-      (license license:gpl3+))))
-
-(define-public emacs-ht
-  (package
-    (name "emacs-ht")
-    (version "2.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/Wilfred/ht.el/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1lpba36kzxcc966fvsbrfpy8ah9gnvay0yk26gbyjil0rggrbqzj"))))
-    (build-system emacs-build-system)
-    (propagated-inputs `(("emacs-dash" ,emacs-dash)))
-    (home-page "https://github.com/Wilfred/ht.el")
-    (synopsis "Hash table library for Emacs")
-    (description
-     "This package simplifies the use of hash tables in elisp.  It also
-provides functions to convert hash tables from and to alists and plists.")
-    (license license:gpl3+)))
-
-(define-public emacs-log4e
-  (package
-    (name "emacs-log4e")
-    (version "0.3.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/aki2o/log4e/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0nbdpbw353snda3v19l9hsm6gimppwnpxj18amm350bm81lyim2g"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'remove-tests
-           ;; Guile builder complains about null characters in some
-           ;; strings of test files.  Remove "test" directory (it is not
-           ;; needed anyway).
-           (lambda _
-             (delete-file-recursively "test"))))))
-    (home-page "https://github.com/aki2o/log4e")
-    (synopsis "Logging framework for elisp")
-    (description
-     "This package provides a logging framework for elisp.  It allows
-you to deal with multiple log levels.")
-    (license license:gpl3+)))
-
-(define-public emacs-gntp
-  (package
-    (name "emacs-gntp")
-    (version "0.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/tekai/gntp.el/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "16c1dfkia9yhl206bdhjr3b8kfvqcqr38jl5lq8qsyrrzsnmghny"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/tekai/gntp.el")
-    (synopsis "Growl Notification Protocol for Emacs")
-    (description
-     "This package implements the Growl Notification Protocol GNTP
-described at @uref{http://www.growlforwindows.com/gfw/help/gntp.aspx}.
-It is incomplete as it only lets you send but not receive
-notifications.")
-    (license license:bsd-3)))
-
-(define-public emacs-alert
-  (package
-    (name "emacs-alert")
-    (version "1.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/jwiegley/alert/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1693kck3k2iz5zhpmxwqyafxm68hr6gzs60lkxd3j1wlp2c9fwyr"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-gntp" ,emacs-gntp)
-       ("emacs-log4e" ,emacs-log4e)))
-    (home-page "https://github.com/jwiegley/alert")
-    (synopsis "Growl-style notification system for Emacs")
-    (description
-     "Alert is a Growl-workalike for Emacs which uses a common notification
-interface and multiple, selectable \"styles\", whose use is fully
-customizable by the user.")
-    (license license:gpl2+)))
-
-(define-public emacs-mu4e-alert
-  (package
-    (name "emacs-mu4e-alert")
-    (version "1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/iqbalansari/mu4e-alert/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "07qc834qnxn8xi4bw5nawj8g91bmkzw0r0vahkgysp7r9xrf57gj"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-alert" ,emacs-alert)
-       ("emacs-s" ,emacs-s)
-       ("emacs-ht" ,emacs-ht)
-       ("mu" ,mu)))
-    (home-page "https://github.com/iqbalansari/mu4e-alert")
-    (synopsis "Desktop notification for mu4e")
-    (description
-     "This package provides desktop notifications for mu4e.
-Additionally it can display the number of unread emails in the
-mode-line.")
-    (license license:gpl3+)))
-
-(define-public emacs-pretty-mode
-  (package
-    (name "emacs-pretty-mode")
-    (version "2.0.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/akatov/pretty-mode/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1fan7m4vnqs8kpg7r54kx3g7faadkpkf9kzarfv8n57kq8w157pl"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/akatov/pretty-mode")
-    (synopsis "Redisplay parts of the buffer as Unicode symbols")
-    (description
-     "Emacs minor mode for redisplaying parts of the buffer as pretty symbols.")
-    (license license:gpl3+)))
-
-(define-public emacs-yasnippet
-  (package
-    (name "emacs-yasnippet")
-    (version "0.13.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/joaotavora/yasnippet/"
-                                  "archive/" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "12ls2x17agzbrj1xynjbmfa11igqxia4hj4fv6fpr66yci2r1plc"))
-              (modules '((guix build utils)))
-              (snippet
-               '(begin
-                  ;; YASnippet expects a "snippets" subdirectory in the same
-                  ;; directory as yasnippet.el, but we don't install it
-                  ;; because it's a git submodule pointing to an external
-                  ;; repository.  Adjust `yas-snippet-dirs' to prevent
-                  ;; warnings about a missing directory.
-                  (substitute* "yasnippet.el"
-                    (("^ +'yas-installed-snippets-dir\\)\\)\n")
-                     "))\n"))
-                  #t))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/joaotavora/yasnippet")
-    (synopsis "Yet another snippet extension for Emacs")
-    (description
-     "YASnippet is a template system for Emacs.  It allows you to type an
-abbreviation and automatically expand it into function templates.")
-    (license license:gpl3+)))
-
-(define-public emacs-yasnippet-snippets
-  (let ((commit "885050d34737e2fb36a3e7759d60c09347bd4ce0")
-        (revision "1"))
-    (package
-      (name "emacs-yasnippet-snippets")
-      (version (string-append "1-" revision "." (string-take commit 8)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/AndreaCrotti/yasnippet-snippets")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1m935zgglw0iakzrixld5rcjz3wnj84f8wy2mvc3pggjri9l0qr9"))))
-      (build-system trivial-build-system)
-      (arguments
-       `(#:modules ((ice-9 ftw)
-                    (ice-9 regex)
-                    (guix build utils))
-         #:builder
-         (begin
-           (use-modules (ice-9 ftw)
-                        (ice-9 regex)
-                        (guix build utils))
-           (with-directory-excursion (assoc-ref %build-inputs "source")
-             (for-each (lambda (dir)
-                         (copy-recursively
-                          dir
-                          (string-append %output
-                                         "/share/emacs/yasnippet-snippets/"
-                                         dir)))
-                       (scandir "." (lambda (fname)
-                                      (and (string-match "-mode$" fname)
-                                           (directory-exists? fname))))))
-           #t)))
-      (home-page "https://github.com/AndreaCrotti/yasnippet-snippets")
-      (synopsis "Collection of YASnippet snippets for many languages")
-      (description
-       "Provides Andrea Crotti's collection of YASnippet snippets.  After installation,
-the snippets will be in \"~/.guix-profile/share/emacs/yasnippet-snippets/\".
-To make YASnippet aware of these snippets, add the above directory to
-@code{yas-snippet-dirs}.")
-      (license license:expat))))
-
-(define-public emacs-helm-c-yasnippet
-  (let ((commit "65ca732b510bfc31636708aebcfe4d2d845b59b0")
-        (revision "1"))
-    (package
-      (name "emacs-helm-c-yasnippet")
-      (version (string-append "0.6.7" "-" revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/emacs-jp/helm-c-yasnippet")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "1cbafjqlzxbg19xfdqsinsh7afq58gkf44rsg1qxfgm8g6zhr7f8"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-yasnippet" ,emacs-yasnippet)))
-      (home-page "https://github.com/emacs-jp/helm-c-yasnippet")
-      (synopsis "Helm integration for Yasnippet")
-      (description "This Emacs library provides Helm interface for
-Yasnippet.")
-      (license license:gpl2+))))
-
-(define-public emacs-helm-system-packages
-  (package
-    (name "emacs-helm-system-packages")
-    (version "1.10.1")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/emacs-helm/helm-system-packages")
-                    (commit (string-append "v" version))))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "01by0c4lqi2cw8xmbxkjw7m9x78zssm31sx4hdpw5j35s2951j0f"))))
-    (build-system emacs-build-system)
-    (inputs
-     `(("recutils" ,recutils)))
-    (propagated-inputs
-     `(("emacs-helm" ,emacs-helm)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'configure
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((recutils (assoc-ref inputs "recutils")))
-               ;; Specify the absolute file names of the various
-               ;; programs so that everything works out-of-the-box.
-               (substitute* "helm-system-packages-guix.el"
-                 (("recsel") (string-append recutils "/bin/recsel")))))))))
-    (home-page "https://github.com/emacs-helm/helm-system-packages")
-    (synopsis "Helm System Packages is an interface to your package manager")
-    (description "List all available packages in Helm (with installed
-packages displayed in their own respective face).  Fuzzy-search, mark and
-execute the desired action over any selections of packages: Install,
-uninstall, display packages details (in Org Mode) or insert details at point,
-find files owned by packages...  And much more, including performing all the
-above over the network.")
-    (license license:gpl3+)))
-
-(define-public emacs-memoize
-  (package
-    (name "emacs-memoize")
-    (version "1.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/skeeto/emacs-memoize/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "05ijgwi4ymxx31vpjm2pn356j85cykknajn14lrzz8pn5sh0vrg4"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("emacs" "--batch"
-                        "-l" "memoize-test.el"
-                        "-f" "ert-run-tests-batch-and-exit")))
-    (home-page "https://github.com/skeeto/emacs-memoize")
-    (synopsis "Emacs lisp memoization library")
-    (description "@code{emacs-memoize} is an Emacs library for
-memoizing functions.")
-    (license license:unlicense)))
-
-(define-public emacs-linum-relative
-  (package
-    (name "emacs-linum-relative")
-    (version "0.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/coldnew/linum-relative/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0s4frvr27866lw1rn3jal9wj5rkz9fx4yiszqv7w06azsdgsqksv"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/coldnew/linum-relative")
-    (synopsis "Relative line numbering for Emacs")
-    (description "@code{emacs-linum-relative} displays the relative line
-number on the left margin in Emacs.")
-    (license license:gpl2+)))
-
-(define-public emacs-idle-highlight
-  (package
-    (name "emacs-idle-highlight")
-    (version "1.1.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/nonsequitur/idle-highlight-mode/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0kdv10hrgqpskjh0zvpnzwlkn5bccnqxas62gkws6njln57bf8nl"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/IdleHighlight")
-    (synopsis "Highlights all occurrences of the word the point is on")
-    (description
-     "This Emacs package provides @code{idle-highlight-mode} that sets
- an idle timer to highlight all occurrences in the buffer of the word under
- the point.")
-    (license license:gpl3+)))
-
-(define-public emacs-ox-twbs
-  (package
-    (name "emacs-ox-twbs")
-    (version "1.1.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/marsmining/ox-twbs/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1zaq8dczq5wijjk36114k2x3hfrqig3lyx6djril6wyk67vczyqs"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/marsmining/ox-twbs")
-    (synopsis "Export org-mode docs as HTML compatible with Twitter Bootstrap")
-    (description
-     "This Emacs package outputs your org-mode docs with a simple, clean and
-modern look.  It implements a new HTML back-end for exporting org-mode docs as
-HTML compatible with Twitter Bootstrap.  By default, HTML is exported with
-jQuery and Bootstrap resources included via osscdn.")
-    (license license:gpl3+)))
-
-(define-public emacs-highlight-sexp
-  (package
-    (name "emacs-highlight-sexp")
-    (version "1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/daimrod/highlight-sexp/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0jwx87qkln1rg9wmv4qkgkml935fh2pkgrg5x4ca6n5dgb4q6rj1"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/daimrod/highlight-sexp")
-    (synopsis "Minor mode that highlights the s-exp at the current position")
-    (description
-     "This Emacs package highlights the s-exp at the current position.")
-    (license license:gpl3+)))
-
-(define-public emacs-highlight-stages
-  (let ((commit "29cbc5b78261916da042ddb107420083da49b271")
-        (revision "1"))
-    (package
-      (name "emacs-highlight-stages")
-      (version (string-append "1.1.0" "-" revision "." (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/zk-phi/highlight-stages.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0r6nbcrr0dqpgm8dir8ahzjy7rw4nrac48byamzrq96r7ajlxlv0"))
-         (patches
-          (search-patches "emacs-highlight-stages-add-gexp.patch"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/wigust/highlight-stages")
-      (synopsis "Minor mode that highlights (quasi-quoted) expressions")
-      (description "@code{highlight-stages} provides an Emacs minor mode that
-highlights quasi-quoted expressions.")
-      (license license:gpl3+))))
-
-(define-public emacspeak
-  (package
-    (name "emacspeak")
-    (version "48.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/tvraman/emacspeak/releases/download/"
-             version "/emacspeak-" version ".tar.bz2"))
-       (sha256
-        (base32
-         "07imi3hji06b3r7v7v59978q76s8a7ynmxwfc9j03pgnv965lpjy"))))
-    (build-system gnu-build-system)
-    (arguments
-     '(#:make-flags (list (string-append "prefix="
-                                         (assoc-ref %outputs "out")))
-       #:phases
-       (modify-phases %standard-phases
-         (replace 'configure
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (lisp (string-append out
-                                         "/share/emacs/site-lisp/emacspeak")))
-               (setenv "SHELL" (which "sh"))
-               ;; Configure Emacspeak according to etc/install.org.
-               (invoke "make" "config"))))
-         (add-after 'build 'build-espeak
-           (lambda _
-             (invoke "make" "espeak")))
-         (replace 'install
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (bin (string-append out "/bin"))
-                    (lisp (string-append out "/share/emacs/site-lisp/emacspeak"))
-                    (info (string-append out "/share/info"))
-                    (emacs (string-append (assoc-ref inputs "emacs")
-                                          "/bin/emacs")))
-               ;; According to etc/install.org, the Emacspeak directory should
-               ;; be copied to its installation destination.
-               (for-each
-                (lambda (file)
-                  (copy-recursively file (string-append lisp "/" file)))
-                '("etc" "info" "js" "lisp" "media" "scapes" "servers" "sounds"
-                  "stumpwm" "xsl"))
-               ;; Make sure emacspeak is loaded from the correct directory.
-               (substitute* "etc/emacspeak.sh"
-                 (("exec FLAVOR.*")
-                  (string-append "exec " emacs " -l " lisp
-                                 "/lisp/emacspeak-setup.el $CL_ALL")))
-               ;; Install the convenient startup script.
-               (mkdir-p bin)
-               (copy-file "etc/emacspeak.sh" (string-append bin "/emacspeak")))
-             #t))
-         (add-after 'install 'wrap-program
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (emacspeak (string-append out "/bin/emacspeak"))
-                    (espeak (string-append (assoc-ref inputs "espeak")
-                                           "/bin/espeak")))
-               ;; The environment variable DTK_PROGRAM tells emacspeak what
-               ;; program to use for speech.
-               (wrap-program emacspeak
-                 `("DTK_PROGRAM" ":" prefix (,espeak)))
-               #t))))
-       #:tests? #f)) ; no check target
-    (inputs
-     `(("emacs" ,emacs)
-       ("espeak" ,espeak)
-       ("perl" ,perl)
-       ("tcl" ,tcl)
-       ("tclx" ,tclx)))
-    (home-page "http://emacspeak.sourceforge.net")
-    (synopsis "Audio desktop interface for Emacs")
-    (description
-     "Emacspeak is a speech interface that allows visually impaired users to
-interact independently and efficiently with the computer.  Audio formatting
---a technique pioneered by AsTeR-- and full support for W3C's Aural CSS (ACSS)
-allows Emacspeak to produce rich aural presentations of electronic information.
-By seamlessly blending all aspects of the Internet such as Web-surfing and
-messaging, Emacspeak speech-enables local and remote information via a
-consistent and well-integrated user interface.")
-    (license license:gpl2+)))
-
-(define-public emacs-adaptive-wrap
-  (package
-    (name "emacs-adaptive-wrap")
-    (version "0.5.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "http://elpa.gnu.org/packages/adaptive-wrap-"
-                    version ".el"))
-              (sha256
-               (base32
-                "0qi7gjprcpywk2daivnlavwsx53hl5wcqvpxbwinvigg42vxh3ll"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/adaptive-wrap.html")
-    (synopsis "Smart line-wrapping with wrap-prefix")
-    (description
-     "This Emacs package provides the @code{adaptive-wrap-prefix-mode}
-minor mode which sets the wrap-prefix property on the fly so that
-single-long-line paragraphs get word-wrapped in a way similar to what
-you'd get with @kbd{M-q} using @code{adaptive-fill-mode}, but without
-actually changing the buffer's text.")
-    (license license:gpl3+)))
-
-(define-public emacs-diff-hl
- (package
-  (name "emacs-diff-hl")
-  (version "1.8.5")
-  (source
-    (origin
-      (method url-fetch)
-      (uri (string-append "https://elpa.gnu.org/packages/diff-hl-"
-                          version ".tar"))
-      (sha256
-        (base32
-          "1vxc7z7c2qs0mx7l5sa4sybi5qbzv0s79flj74p1ynw8dl3qxg3d"))))
-  (build-system emacs-build-system)
-  (home-page "https://github.com/dgutov/diff-hl")
-  (synopsis
-    "Highlight uncommitted changes using VC")
-  (description
-    "@code{diff-hl-mode} highlights uncommitted changes on the side of the
-window (using the fringe, by default), allows you to jump between
-the hunks and revert them selectively.")
-  (license license:gpl3+)))
-
-(define-public emacs-diminish
-  (package
-    (name "emacs-diminish")
-    (version "0.45")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/myrjola/diminish.el/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0i3629sv5cfrrb00hcnmaqzgs8mk36yasc1ax3ry1ga09nr6rkj9"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/myrjola/diminish.el")
-    (synopsis "Diminish minor modes with no modeline display")
-    (description "@code{emacs-diminish} implements hiding or
-abbreviation of the mode line displays (lighters) of minor modes.")
-    (license license:gpl2+)))
-
-(define-public emacs-use-package
-  (let ((commit "da8c9e2840343906e732f9699e43d35a1f06481d")
-        (revision "1"))
-    (package
-     (name "emacs-use-package")
-     (version (git-version "2.3" revision commit))
-     (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/jwiegley/use-package")
-                    (commit commit)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "0jz38pbq1p9h85i6qcsh3sfzkd103y6mw3rg5zd14dxigp8ir3xz"))))
-     (build-system emacs-build-system)
-     (propagated-inputs
-      `(("emacs-diminish" ,emacs-diminish)))
-     (arguments
-      `(#:tests? #t
-        #:test-command '("emacs" "--batch"
-                         "-l" "use-package-tests.el"
-                         "-f" "ert-run-tests-batch-and-exit")))
-     (home-page "https://github.com/jwiegley/use-package")
-     (synopsis "Declaration for simplifying your .emacs")
-     (description "The use-package macro allows you to isolate package
-configuration in your @file{.emacs} file in a way that is both
-performance-oriented and tidy.")
-     (license license:gpl2+))))
-
-(define-public emacs-strace-mode
-  (let* ((commit "6a69b4b06db6797af56f33eda5cb28af94e59f11")
-         (revision "1"))
-    (package
-      (name "emacs-strace-mode")
-      (version (string-append "0.0.2-" revision "." (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/pkmoore/strace-mode")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "1lbk2kzdznf2bkfazizfbimaxxzfzv00lrz1ran9dc2zqbc0bj9f"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/pkmoore/strace-mode")
-      (synopsis "Emacs major mode to highlight strace outputs")
-      (description "@code{emacs-strace-mode} provides an Emacs major mode
- highlighting strace outputs.")
-      (license license:gpl3+))))
-
-(define-public emacs-default-encrypt
-  (package
-    (name "emacs-default-encrypt")
-    (version "4.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://www.informationelle-selbstbestimmung-im-internet.de"
-             "/emacs/jl-encrypt" version "/jl-encrypt.el"))
-       (file-name (string-append "jl-encrypt-" version ".el"))
-       (sha256
-        (base32
-         "16i3rlfp3jxlqvndn8idylhmczync3gwmy8a019v29vyr48rnnr0"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.informationelle-selbstbestimmung-im-internet.de/Emacs.html")
-    (synopsis "Automatically encrypt or sign Gnus messages in Emacs")
-    (description
-     "DefaultEncrypt is designed to be used with Gnus in Emacs.  It
-automatically encrypts messages that you send (e.g., email) when public keys
-for all recipients are available, and it protects you from accidentally
-sending un-encrypted messages.  It can also be configured to automatically
-sign messages that you send.  For details and instructions on how to use
-DefaultEncrypt, please refer to the home page or read the comments in the
-source file, @file{jl-encrypt.el}.")
-    (license license:gpl3+)))
-
-(define-public emacs-htmlize
-  (package
-    (name "emacs-htmlize")
-    (version "1.53")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/hniksic/emacs-htmlize/archive/release/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1lzaf9m1qr9dhw4nn53g6wszk2vqw95gpsbrc3y85bams4cn24ga"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/hniksic/emacs-htmlize")
-    (synopsis "Convert buffer text and decorations to HTML")
-    (description "@code{emacs-htmlize} converts the buffer text and
-the associated decorations to HTML.  Output to CSS, inline CSS and
-fonts is supported.")
-    (license license:gpl2+)))
-
-(define-public emacs-xmlgen
-  (package
-    (name "emacs-xmlgen")
-    (version "0.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/philjackson/xmlgen/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0zay490vjby3f7455r0vydmjg7q1gwc78hilpfb0rg4gwz224z8r"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("emacs" "--batch"
-                        "-l" "xmlgen-test.el"
-                        "-f" "ert-run-tests-batch-and-exit")))
-    (home-page "https://github.com/philjackson/xmlgen")
-    (synopsis "S-expression to XML domain specific language (DSL) in
-Emacs Lisp")
-    (description "@code{emacs-xmlgen} provides S-expression to XML
-conversion for Emacs Lisp.")
-    (license license:gpl2+)))
-
-(define-public emacs-cdlatex
-  (package
-    (name "emacs-cdlatex")
-    (version "4.7")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/cdominik/cdlatex/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0pivapphmykc6vhvpx7hdyl55ls37vc4jcrxpvs4yk7jzcmwa9xp"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-auctex" ,emacs-auctex)))
-    (home-page "https://github.com/cdominik/cdlatex")
-    (synopsis "Fast Emacs input methods for LaTeX environments and
-math")
-    (description "CDLaTeX is an Emacs minor mode supporting fast
-insertion of environment templates and math in LaTeX.  Similar
-commands are also offered as part of the AUCTeX package, but it is not
-the same - CDLaTeX focuses on speediness for inserting LaTeX
-constructs.")
-    (license license:gpl3+)))
-
-(define-public emacs-cnfonts
-  (package
-    (name "emacs-cnfonts")
-    (version "0.9.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/tumashu/cnfonts/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1l6cgcvc6md1zq97ccczankpyi0k4vjx6apflny6kjq3p33lyhf4"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/tumashu/cnfonts")
-    (synopsis "Emacs Chinese fonts setup tool")
-    (description "cnfonts is a Chinese fonts setup tool, allowing for easy
-configuration of Chinese fonts.")
-    (license license:gpl2+)))
-
-(define-public emacs-php-mode
-  (package
-    (name "emacs-php-mode")
-    (version "20171225.342")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://melpa.org/packages/php-mode-"
-                    version ".tar"))
-              (sha256
-               (base32
-                "1zz682f34v4wsm2dyj1gnrnvsrqdq1cy7j8p6cvc398w2fziyg3q"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ejmr/php-mode")
-    (synopsis "Major mode for editing PHP code")
-    (description "@code{php-mode} is a major mode for editing PHP source
-code.  It's an extension of C mode; thus it inherits all C mode's navigation
-functionality.  But it colors according to the PHP grammar and indents
-according to the PEAR coding guidelines.  It also includes a couple handy
-IDE-type features such as documentation search and a source and class
-browser.")
-    (license license:gpl3+)))
-
-(define-public emacs-pos-tip
-  (package
-    (name "emacs-pos-tip")
-    (version "0.4.6")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/pitkali/pos-tip/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "12jqfy26vjk7lq0aa8yn8zqj8c85fkvx7y9prj0pcn4wqiz2ad2r"))))
-    (build-system emacs-build-system)
-    ;; The following functions and variables needed by emacs-pos-tip are
-    ;; not included in emacs-minimal:
-    ;; x-display-pixel-width, x-display-pixel-height, x-show-tip
-    (arguments `(#:emacs ,emacs))
-    (home-page "https://github.com/pitkali/pos-tip")
-    (synopsis "Show tooltip at point")
-    (description "The standard library tooltip.el provides a function for
-displaying a tooltip at the mouse position.  However, locating a tooltip at an
-arbitrary buffer position in a window is not easy.  Pos-tip provides such a
-function to be used by other frontend programs.")
-    (license license:gpl2+)))
-
-(define-public emacs-pyim-basedict
-  (package
-    (name "emacs-pyim-basedict")
-    (version "0.3.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/tumashu/pyim-basedict/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0nfgxviavkgrpyfsw60xsws4fk51fcmgl8fp6zf4ibqjjbp53n3n"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/tumashu/pyim-basedict")
-    (synopsis "Input method dictionary of pyim")
-    (description "Pyim-basedict is the default pinyin input method dictionary,
-containing words from the rime project.")
-    (license license:gpl2+)))
-
-(define-public emacs-pyim
-  (package
-    (name "emacs-pyim")
-    (version "1.8")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/tumashu/pyim")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "16rma4cv7xgky0g3x4an27v30jdi6i1sqw43cl99zhkqvp43l3f9"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-async" ,emacs-async)
-       ("emacs-pyim-basedict" ,emacs-pyim-basedict)
-       ("emacs-popup" ,emacs-popup)
-       ("emacs-posframe" ,emacs-posframe)))
-    (home-page "https://github.com/tumashu/pyim")
-    (synopsis "Chinese input method")
-    (description "Chinese input method which supports quanpin, shuangpin, wubi
-and cangjie.")
-    (license license:gpl2+)))
-
-(define-public emacs-posframe
-  (package
-    (name "emacs-posframe")
-    (version "0.4.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://elpa.gnu.org/packages/posframe-" version ".el"))
-       (sha256
-        (base32
-         "1h8vvxvsg41vc1nnglqjs2q0k1yzfsn72skga9s76qa3zxmx6kds"))))
-    (build-system emacs-build-system)
-    ;; emacs-minimal does not include the function font-info
-    (arguments `(#:emacs ,emacs))
-    (home-page "https://github.com/tumashu/posframe")
-    (synopsis "Pop a posframe (a child frame) at point")
-    (description "@code{emacs-posframe} can pop a posframe at point.  A
-posframe is a child frame displayed within its root window's buffer.
-@code{emacs-posframe} is fast and works well with CJK languages.")
-    (license license:gpl3+)))
-
-(define-public emacs-el2org
-  (package
-    (name "emacs-el2org")
-    (version "0.6.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/tumashu/el2org/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0gd3km1swwvg2w0kdi7370f54wgrflxn63gjgssfjc1iyc9sbqwq"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/tumashu/el2org")
-    (synopsis "Convert Emacs-lisp file to org file")
-    (description "El2org is a simple tool, which can convert Emacs-lisp file
-to org file, you can use this tool to write orgify commentary.")
-    (license license:gpl2+)))
-
-(define-public emacs-mustache
-  (package
-    (name "emacs-mustache")
-    (version "0.23")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/Wilfred/mustache.el/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0k9lcgil7kykkv1ylrgwy1g13ldjjmgi2cwmysgyb2vlj3jbwpdj"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-ht" ,emacs-ht)
-       ("emacs-s" ,emacs-s)))
-    (home-page "https://github.com/Wilfred/mustache.el")
-    (synopsis "Mustache templating library for Emacs")
-    (description "Mustache templating library for Emacs, mustache is
-a simple web template system, which is described as a logic-less system
-because it lacks any explicit control flow statements, both looping and
-conditional evaluation can be achieved using section tags processing lists
-and lambdas.")
-    (license license:gpl3+)))
-
-(define-public emacs-org2web
-  (package
-    (name "emacs-org2web")
-    (version "0.9.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/tumashu/org2web/archive/v"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1c0ixcphlhp4c4qdiwq40bc3yp1gp1llp8pxrk4s7ny9n68s52zp"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-el2org" ,emacs-el2org)
-       ("emacs-ht" ,emacs-ht)
-       ("emacs-mustache" ,emacs-mustache)
-       ("emacs-simple-httpd" ,emacs-simple-httpd)))
-    (home-page "https://github.com/tumashu/org2web")
-    (synopsis "Static site generator based on org-mode ")
-    (description "Org2web is a static site generator based on org-mode,
-which code derived from Kelvin H's org-page.")
-    (license license:gpl2+)))
-
-(define-public emacs-xelb
-  (package
-    (name "emacs-xelb")
-    (version "0.16")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/xelb-"
-                                  version ".tar"))
-              (sha256
-               (base32
-                "03wsr1jr7f7zfd80h864rd4makwh4widdnj1kjv2xyjwdgap9rl8"))))
-    (build-system emacs-build-system)
-    ;; The following functions and variables needed by emacs-xelb are
-    ;; not included in emacs-minimal:
-    ;; x-display-screens, x-keysym-table, x-alt-keysym, x-meta-keysym
-    ;; x-hyper-keysym, x-super-keysym, libxml-parse-xml-region
-    ;; x-display-pixel-width, x-display-pixel-height
-    (arguments
-     `(#:emacs ,emacs
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'regenerate-el-files
-           (lambda* (#:key inputs #:allow-other-keys)
-             (invoke "make"
-                     (string-append "PROTO_PATH="
-                                    (assoc-ref inputs "xcb-proto")
-                                    "/share/xcb")
-                     (string-append "EMACS_BIN="
-                                    (assoc-ref inputs "emacs")
-                                    "/bin/emacs -Q")))))))
-    (native-inputs `(("xcb-proto" ,xcb-proto)))
-    (home-page "https://github.com/ch11ng/xelb")
-    (synopsis "X protocol Emacs Lisp binding")
-    (description "@code{emacs-xelb} is a pure Emacs Lisp implementation of the
-X11 protocol based on the XML description files from the XCB project.  It
-features an object-oriented API and permits a certain degree of concurrency.
-It should enable you to implement low-level X11 applications.")
-    (license license:gpl3+)))
-
-(define-public emacs-exwm
-  (package
-    (name "emacs-exwm")
-    (version "0.21")
-    (synopsis "Emacs X window manager")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/exwm-"
-                                  version ".tar"))
-              (sha256
-               (base32
-                "07ng1pgsnc3isfsyzh2gfc7391p9il8lb5xqf1z6yqn20w7k6xzj"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-xelb" ,emacs-xelb)))
-    (inputs
-     `(("xhost" ,xhost)
-       ("dbus" ,dbus)))
-    ;; The following functions and variables needed by emacs-exwm are
-    ;; not included in emacs-minimal:
-    ;; scroll-bar-mode, fringe-mode
-    ;; x-display-pixel-width, x-display-pixel-height
-    (arguments
-     `(#:emacs ,emacs
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'build 'install-xsession
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (xsessions (string-append out "/share/xsessions"))
-                    (bin (string-append out "/bin"))
-                    (exwm-executable (string-append bin "/exwm")))
-               ;; Add a .desktop file to xsessions
-               (mkdir-p xsessions)
-               (mkdir-p bin)
-               (with-output-to-file
-                   (string-append xsessions "/exwm.desktop")
-                 (lambda _
-                   (format #t "[Desktop Entry]~@
-                     Name=~a~@
-                     Comment=~a~@
-                     Exec=~a~@
-                     TryExec=~@*~a~@
-                     Type=Application~%" ,name ,synopsis exwm-executable)))
-               ;; Add a shell wrapper to bin
-               (with-output-to-file exwm-executable
-                 (lambda _
-                   (format #t "#!~a ~@
-                     ~a +SI:localuser:$USER ~@
-                     exec ~a --exit-with-session ~a \"$@\" --eval '~s' ~%"
-                           (string-append (assoc-ref inputs "bash") "/bin/sh")
-                           (string-append (assoc-ref inputs "xhost") "/bin/xhost")
-                           (string-append (assoc-ref inputs "dbus") "/bin/dbus-launch")
-                           (string-append (assoc-ref inputs "emacs") "/bin/emacs")
-                           '(cond
-                             ((file-exists-p "~/.exwm")
-                              (load-file "~/.exwm"))
-                             ((not (featurep 'exwm))
-                              (require 'exwm)
-                              (require 'exwm-config)
-                              (exwm-config-default)
-                              (message (concat "exwm configuration not found. "
-                                               "Falling back to default configuration...")))))))
-               (chmod exwm-executable #o555)
-               #t))))))
-    (home-page "https://github.com/ch11ng/exwm")
-    (description "EXWM is a full-featured tiling X window manager for Emacs
-built on top of XELB.")
-    (license license:gpl3+)))
-
-(define-public emacs-switch-window
-  (package
-    (name "emacs-switch-window")
-    (version "1.6.2")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/dimitri/switch-window")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "0rci96asgamr6qp6nkyr5vwrnslswjxcjd96yccy4aivh0g66yfg"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/dimitri/switch-window")
-    (synopsis "Emacs window switch tool")
-    (description "Switch-window is an emacs window switch tool, which
-offer a visual way to choose a window to switch to, delete, split or
-other operations.")
-    (license license:wtfpl2)))
-
-(define-public emacs-exwm-x
-  (package
-    (name "emacs-exwm-x")
-    (version "1.9.0")
-    (synopsis "Derivative window manager based on EXWM")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/tumashu/exwm-x")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "03l3dl7s1qys1kkh40rm1sfx7axy1b8sf5f6nyksj9ps6d30p5i4"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-exwm" ,emacs-exwm)
-       ("emacs-switch-window" ,emacs-switch-window)
-       ("emacs-ivy" ,emacs-ivy)
-       ("emacs-use-package" ,emacs-use-package)))
-    (inputs
-     `(("xhost" ,xhost)
-       ("dbus" ,dbus)))
-    ;; Need emacs instead of emacs-minimal,
-    ;; for emacs's bin path will be inserted into bin/exwm-x file.
-    (arguments
-     `(#:emacs ,emacs
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'build 'install-xsession
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out"))
-                    (xsessions (string-append out "/share/xsessions"))
-                    (bin (string-append out "/bin"))
-                    (exwm-executable (string-append bin "/exwm-x")))
-               ;; Add a .desktop file to xsessions
-               (mkdir-p xsessions)
-               (mkdir-p bin)
-               (with-output-to-file
-                   (string-append xsessions "/exwm-x.desktop")
-                 (lambda _
-                   (format #t "[Desktop Entry]~@
-                     Name=~a~@
-                     Comment=~a~@
-                     Exec=~a~@
-                     TryExec=~@*~a~@
-                     Type=Application~%" ,name ,synopsis exwm-executable)))
-               ;; Add a shell wrapper to bin
-               (with-output-to-file exwm-executable
-                 (lambda _
-                   (format #t "#!~a ~@
-                     ~a +SI:localuser:$USER ~@
-                     exec ~a --exit-with-session ~a \"$@\" --eval '~s' ~%"
-                           (string-append (assoc-ref inputs "bash") "/bin/sh")
-                           (string-append (assoc-ref inputs "xhost") "/bin/xhost")
-                           (string-append (assoc-ref inputs "dbus") "/bin/dbus-launch")
-                           (string-append (assoc-ref inputs "emacs") "/bin/emacs")
-                           '(require 'exwmx-loader))))
-               (chmod exwm-executable #o555)
-               #t))))))
-    (home-page "https://github.com/tumashu/exwm-x")
-    (description "EXWM-X is a derivative window manager based on EXWM, with focus
-on mouse-control.")
-    (license license:gpl3+)))
-
-(define-public emacs-gnuplot
-  (package
-    (name "emacs-gnuplot")
-    (version "0.7.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/bruceravel/gnuplot-mode/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0glzymrn138lwig7p4cj17x4if5jisr6l4g6wcbxisqkqgc1h01i"))))
-    (build-system gnu-build-system)
-    (native-inputs `(("emacs" ,emacs-minimal)))
-    (arguments
-     (let ((elisp-dir (string-append "/share/emacs/site-lisp/guix.d"
-                                     "/gnuplot-" version)))
-       `(#:modules ((guix build gnu-build-system)
-                    (guix build utils)
-                    (guix build emacs-utils))
-         #:imported-modules (,@%gnu-build-system-modules
-                             (guix build emacs-utils))
-         #:configure-flags
-         (list (string-append "EMACS=" (assoc-ref %build-inputs "emacs")
-                              "/bin/emacs")
-               (string-append "--with-lispdir=" %output ,elisp-dir))
-         #:phases
-         (modify-phases %standard-phases
-           (add-after 'install 'generate-autoloads
-             (lambda* (#:key outputs #:allow-other-keys)
-               (emacs-generate-autoloads
-                "gnuplot"
-                (string-append (assoc-ref outputs "out") ,elisp-dir))
-               #t))))))
-    (home-page "https://github.com/bruceravel/gnuplot-mode")
-    (synopsis "Emacs major mode for interacting with gnuplot")
-    (description "@code{emacs-gnuplot} is an emacs major mode for interacting
-with gnuplot.")
-    (license license:gpl2+)))
-
-(define-public emacs-transpose-frame
-  (package
-    (name "emacs-transpose-frame")
-    (version "0.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri "http://www.emacswiki.org/emacs/download/transpose-frame.el")
-       (file-name (string-append "transpose-frame-" version ".el"))
-       (sha256
-        (base32
-         "1f67yksgw9s6j0033hmqzaxx2a93jm11sd5ys7cc3li5gfh680m4"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/TransposeFrame")
-    (synopsis "Transpose window arrangement in current frame")
-    (description "@code{emacs-transpose-frame} provides some interactive
-functions which allows users to transpose windows arrangement in currently
-selected frame.")
-    (license license:bsd-2)))
-
-(define-public emacs-key-chord
-  (package
-    (name "emacs-key-chord")
-    (version "0.6")
-    (source
-     (origin
-       (method url-fetch)
-       (uri "https://www.emacswiki.org/emacs/download/key-chord.el")
-       (file-name (string-append "key-chord-" version ".el"))
-       (sha256
-        (base32
-         "03m44pqggfrd53nh9dvpdjgm0rvca34qxmd30hr33hzprzjambxg"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/key-chord.el")
-    (synopsis "Map pairs of simultaneously pressed keys to Emacs commands")
-    (description "@code{emacs-key-chord} provides @code{key-chord-mode}, a
-mode for binding key chords to commands.  A key chord is defined as two keys
-pressed simultaneously or a single key quickly pressed twice.")
-    (license license:gpl2+)))
-
-(define-public emacs-evil-surround
-  (package
-    (name "emacs-evil-surround")
-    (version "1.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/timcharper/evil-surround/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0p572jgic3q1ia1nz37kclir729ay6i2f4sa7wnaapyxly2lwb3r"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-evil" ,emacs-evil)))
-    (home-page "https://github.com/timcharper/evil-surround")
-    (synopsis "Easily modify surrounding parantheses and quotes")
-    (description "@code{emacs-evil-surround} allows easy deletion, change and
-addition of surrounding pairs, such as parantheses and quotes, in evil mode.")
-    (license license:gpl3+)))
-
-(define-public emacs-evil-commentary
-  (package
-    (name "emacs-evil-commentary")
-    (version "2.1.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/linktohack/evil-commentary/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1jdya0i921nwskwrzdsj0vrr3m7gm49dy6f6pk9p5nxaarfxk230"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-evil" ,emacs-evil)))
-    (home-page "https://github.com/linktohack/evil-commentary")
-    (synopsis "Comment out code in evil mode")
-    (description "@code{emacs-evil-commentary} adds keybindings to easily
-comment out lines of code in evil mode.  It provides @code{gcc} to comment out
-lines, and @code{gc} to comment out the target of a motion.")
-    (license license:gpl3+)))
-
-;; Tests for emacs-ansi have a circular dependency with ert-runner, and
-;; therefore cannot be run
-(define-public emacs-ansi
-  (package
-    (name "emacs-ansi")
-    (version "0.4.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/rejeep/ansi.el/archive/v"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "13jj4vbi98j3p17hs99bmy7g21jd5h4v3wpxk4pkvhylm3bfwjw8"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-s" ,emacs-s)))
-    (home-page "https://github.com/rejeep/ansi.el")
-    (synopsis "Convert strings to ANSI")
-    (description "@code{emacs-ansi} defines functions that turns simple
-strings to ANSI strings.  Turning a string into an ANSI string can be to add
-color to a text, add color in the background of a text or adding a style, such
-as bold, underscore or italic.")
-    (license license:gpl3+)))
-
-;; Tests for emacs-commander have a circular dependency with ert-runner, and
-;; therefore cannot be run
-(define-public emacs-commander
-  (package
-    (name "emacs-commander")
-    (version "0.7.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/rejeep/commander.el/archive/v"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "196s2i15z7gwxa97l1wkxvjnfmj5n38wwm6d3g4zz15l2vqggc2y"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-f" ,emacs-f)
-       ("emacs-s" ,emacs-s)))
-    (home-page "https://github.com/rejeep/commander.el")
-    (synopsis "Emacs command line parser")
-    (description "@code{emacs-commander} provides command line parsing for
-Emacs.")
-    (license license:gpl3+)))
-
-;; Tests for ert-runner have a circular dependency with ecukes, and therefore
-;; cannot be run
-(define-public emacs-ert-runner
-  (package
-    (name "emacs-ert-runner")
-    (version "0.7.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/rejeep/ert-runner.el/archive/v"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1657nck9i96a4xgl8crfqq0s8gflzp21pkkzwg6m3z5npjxklgwp"))))
-    (build-system emacs-build-system)
-    (inputs
-     `(("emacs-ansi" ,emacs-ansi)
-       ("emacs-commander" ,emacs-commander)
-       ("emacs-dash" ,emacs-dash)
-       ("emacs-f" ,emacs-f)
-       ("emacs-s" ,emacs-s)
-       ("emacs-shut-up" ,emacs-shut-up)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'install-executable
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((out (assoc-ref outputs "out")))
-               (substitute* "bin/ert-runner"
-                 (("ERT_RUNNER=\"\\$\\(dirname \\$\\(dirname \\$0\\)\\)")
-                  (string-append "ERT_RUNNER=\"" out
-                                 "/share/emacs/site-lisp/guix.d/ert-runner-"
-                                 ,version)))
-               (install-file "bin/ert-runner" (string-append out "/bin"))
-               (wrap-program (string-append out "/bin/ert-runner")
-                 (list "EMACSLOADPATH" ":" 'prefix
-                       (string-split (getenv "EMACSLOADPATH") #\:)))
-               #t))))
-       #:include (cons* "^reporters/.*\\.el$" %default-include)))
-    (home-page "https://github.com/rejeep/ert-runner.el")
-    (synopsis "Opinionated Ert testing workflow")
-    (description "@code{ert-runner} is a tool for Emacs projects tested
-using ERT.  It assumes a certain test structure setup and can therefore make
-running tests easier.")
-    (license license:gpl3+)))
-
-(define-public ert-runner
-  (deprecated-package "ert-runner" emacs-ert-runner))
-
-(define-public emacs-disable-mouse
-  (package
-    (name "emacs-disable-mouse")
-    (version "0.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/purcell/disable-mouse/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0haqpq23r1wx04lsqrrg3p5visg9hx5i36dg55ab003wfsrlrzbc"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/purcell/disable-mouse")
-    (synopsis "Disable mouse commands globally")
-    (description
-     "Provides @code{disable-mouse-mode} and @code{global-disable-mouse-mode},
-pair of minor modes which suppress all mouse events by intercepting them and
-running a customisable handler command (@code{ignore} by default). ")
-    (license license:gpl3+)))
-
-(define-public emacs-json-reformat
-  (package
-    (name "emacs-json-reformat")
-    (version "0.0.6")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/gongo/json-reformat/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "11fbq4scrgr7m0iwnzcrn2g7xvqwm2gf82sa7zy1l0nil7265p28"))
-       (patches (search-patches "emacs-json-reformat-fix-tests.patch"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-undercover" ,emacs-undercover)))
-    (native-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-shut-up" ,emacs-shut-up)
-       ("ert-runner" ,emacs-ert-runner)))
-    (arguments
-     `(#:tests? #t
-       #:test-command '("ert-runner")))
-    (home-page "https://github.com/gongo/json-reformat")
-    (synopsis "Reformatting tool for JSON")
-    (description "@code{json-reformat} provides a reformatting tool for
-@url{http://json.org/, JSON}.")
-    (license license:gpl3+)))
-
-(define-public emacs-json-snatcher
-  (package
-    (name "emacs-json-snatcher")
-    (version "1.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Sterlingg/json-snatcher/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1nfiwsifpdiz0lbrqa77nl0crnfrv5h85ans9b0g5rggnmyshcfb"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/sterlingg/json-snatcher")
-    (synopsis "Grabs the path to JSON values in a JSON file")
-    (description "@code{emacs-json-snatcher} grabs the path to JSON values in
-a @url{http://json.org/, JSON} file.")
-    (license license:gpl3+)))
-
-(define-public emacs-json-mode
-  (package
-    (name "emacs-json-mode")
-    (version "1.7.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/joshwnj/json-mode/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "06h45p4cn767pk9sqi2zb1c65wy5gyyijqxzpglp80zwxhvajdz5"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-json-reformat" ,emacs-json-reformat)
-       ("emacs-json-snatcher" ,emacs-json-snatcher)))
-    (home-page "https://github.com/joshwnj/json-mode")
-    (synopsis "Major mode for editing JSON files")
-    (description "@code{json-mode} extends the builtin js-mode syntax
-highlighting.")
-    (license license:gpl3+)))
-
-(define-public emacs-restclient
-  (let ((commit "07a3888bb36d0e29608142ebe743b4362b800f40")
-        (revision "1"))                 ;Guix package revision,
-                                        ;upstream doesn't have official releases
-    (package
-      (name "emacs-restclient")
-      (version (string-append revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/pashky/restclient.el.git")
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "00lmjhb5im1kgrp54yipf1h9pshxzgjlg71yf2rq5n973gvb0w0q"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)))
-      (home-page "https://github.com/pashky/restclient.el")
-      (synopsis "Explore and test HTTP REST webservices")
-      (description
-       "This tool allows for testing and exploration of HTTP REST Web services
-from within Emacs.  Restclient runs queries from a plan-text query sheet,
-displays results pretty-printed in XML or JSON with @code{restclient-mode}")
-      (license license:public-domain))))
-
-(define-public emacs-eimp
-  (let ((version "1.4.0")
-        (commit "2e7536fe6d8f7faf1bad7a8ae37faba0162c3b4f")
-        (revision "1"))
-    (package
-      (name "emacs-eimp")
-      (version (git-version version revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/nicferrier/eimp.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "154d57yafxbcf39r89n5j43c86rp2fki3lw3gwy7ww2g6qkclcra"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'configure
-             (lambda* (#:key inputs #:allow-other-keys)
-               (let ((imagemagick (assoc-ref inputs "imagemagick")))
-                 ;; eimp.el is read-only in git.
-                 (chmod "eimp.el" #o644)
-                 (emacs-substitute-variables "eimp.el"
-                   ("eimp-mogrify-program"
-                    (string-append imagemagick "/bin/mogrify"))))
-               #t)))))
-      (inputs
-       `(("imagemagick" ,imagemagick)))
-      (home-page "https://github.com/nicferrier/eimp")
-      (synopsis "Interactive image manipulation utility for Emacs")
-      (description "@code{emacs-eimp} allows interactive image manipulation
-from within Emacs.  It uses the code@{mogrify} utility from ImageMagick to do
-the actual transformations.")
-      (license license:gpl2+))))
-
-(define-public emacs-dired-hacks
-  (let ((commit "eda68006ce73bbf6b9b995bfd70d08bec8cade36")
-        (revision "1"))
-    (package
-      (name "emacs-dired-hacks")
-      (version (string-append "0.0.1-" revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/Fuco1/dired-hacks.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "1w7ssl9zssn5rcha6apf4h8drkd02k4xgvs203bdbqyqp9wz9brx"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)
-         ("emacs-eimp" ,emacs-eimp)
-         ("emacs-f" ,emacs-f)
-         ("emacs-s" ,emacs-s)))
-      (home-page "https://github.com/Fuco1/dired-hacks")
-      (synopsis
-       "Collection of useful dired additions")
-      (description
-       "Collection of Emacs dired mode additions:
-@itemize
-@item dired-avfs
-@item dired-columns
-@item dired-filter
-@item dired-hacks-utils
-@item dired-images
-@item dired-list
-@item dired-narrow
-@item dired-open
-@item dired-rainbow
-@item dired-ranger
-@item dired-subtree
-@item dired-tagsistant
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-dired-sidebar
-  (let ((commit "06bd0d40bab812c61a668129daf29ba359424454")
-        (revision "0"))
-    (package
-      (name "emacs-dired-sidebar")
-      (home-page "https://github.com/jojojames/dired-sidebar")
-      (version (git-version "0.0.1" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url home-page) (commit commit)))
-                (sha256
-                 (base32
-                  "0lvwvq6sl80sha9fq5m4568sg534dhmifyjqw75bqddcbf3by84x"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-dired-subtree" ,emacs-dired-hacks)))
-      (synopsis "Sidebar for Emacs using Dired")
-      (description
-       "This package provides a sidebar for Emacs similar to @code{NeoTree}
-or @code{treemacs}, but leveraging @code{Dired} to do the job of display.")
-      (license license:gpl3+))))
-
-(define-public emacs-which-key
-  (package
-    (name "emacs-which-key")
-    (version "3.3.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/justbur/emacs-which-key/archive/v"
-             version ".tar.gz"))
-       (sha256
-        (base32
-         "1lsj314111cp2hjjwnv3f46ws1za6bm39rgy3l19044xf6a68j5w"))
-       (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("emacs" "--batch"
-                        "-l" "which-key-tests.el"
-                        "-f" "ert-run-tests-batch-and-exit")))
-    (home-page "https://github.com/justbur/emacs-which-key")
-    (synopsis "Display available key bindings in popup")
-    (description
-     "@code{emacs-which-key} is a minor mode for Emacs that displays the key
-bindings following your currently entered incomplete command (a prefix) in a
-popup.  For example, after enabling the minor mode if you enter C-x and wait
-for the default of 1 second, the minibuffer will expand with all of the
-available key bindings that follow C-x (or as many as space allows given your
-settings).")
-    (license license:gpl3+)))
-
-(define-public emacs-ws-butler
-  (package
-    (name "emacs-ws-butler")
-    (version "0.6")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/lewang/ws-butler.git")
-                    (commit "323b651dd70ee40a25accc940b8f80c3a3185205")))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "1a4b0lsmwq84qfx51c5xy4fryhb1ysld4fhgw2vr37izf53379sb"))))
-    (build-system emacs-build-system)
-    (native-inputs
-     `(("ert-runner" ,emacs-ert-runner)))
-    (arguments
-     `(#:tests? #t
-       #:test-command '("ert-runner" "tests")))
-    (home-page "https://github.com/lewang/ws-butler")
-    (synopsis "Trim spaces from end of lines")
-    (description
-     "This Emacs package automatically and unobtrusively trims whitespace
-characters from end of lines.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-edit-latex
-  (package
-    (name "emacs-org-edit-latex")
-    (version "0.8.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/et2010/org-edit-latex/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1y4h6wrs8286h9pbsv4d8fr67a885vz8b2k80qgv5qddipi2i78p"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-auctex" ,emacs-auctex)
-       ;; The version of org in Emacs 25.2 is not sufficient, because the
-       ;; `org-latex-make-preamble' function is required.
-       ("emacs-org" ,emacs-org)))
-    (home-page "https://github.com/et2010/org-edit-latex")
-    (synopsis "Edit a latex fragment just like editing a src block")
-    (description "@code{emacs-org-edit-latex} is an extension for org-mode.
-It lets you edit a latex fragment in a dedicated buffer just like editing a
-src block.")
-    (license license:gpl3+)))
-
-(define-public emacs-emamux
-  (package
-    (name "emacs-emamux")
-    (version "0.14")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/syohex/emacs-emamux/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0wlqg4icy037bj70b0qmhvwvmiwhagpnx6pnxhq6gzy1hvwlilkx"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/syohex/emacs-emamux")
-    (synopsis "Manipulate Tmux from Emacs")
-    (description
-     "@code{emacs-emamux} lets Emacs interact with the @code{tmux} terminal
-multiplexer.")
-    (license license:gpl3+)))
-
-(define-public emacs-rpm-spec-mode
-  (package
-    (name "emacs-rpm-spec-mode")
-    (version "0.16")
-    (source
-     (origin
-       (method url-fetch)
-       ;; URI has the Fedora release number instead of the version
-       ;; number. This will have to updated manually every new release.
-       (uri (string-append
-             "https://src.fedoraproject.org/cgit/rpms"
-             "/emacs-rpm-spec-mode.git/snapshot"
-             "/emacs-rpm-spec-mode-f26.tar.gz"))
-       (sha256
-        (base32
-         "17dz80lhjrc89fj17pysl8slahzrqdkxgcjdk55zls6jizkr6kz3"))))
-    (build-system emacs-build-system)
-    (home-page "http://pkgs.fedoraproject.org/cgit/rpms/emacs-rpm-spec-mode.git")
-    (synopsis "Emacs major mode for editing RPM spec files")
-    (description "@code{emacs-rpm-spec-mode} provides an Emacs major mode for
-editing RPM spec files.")
-    (license license:gpl2+)))
-
-(define-public emacs-git-messenger
-  (package
-    (name "emacs-git-messenger")
-    (version "0.18")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/syohex/emacs-git-messenger/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "17mqki6g0wx46fn7dcbcc2pjxik7vvrcb1j9jzxim8b9psbsbnp9"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-popup" ,emacs-popup)))
-    (arguments
-     `(#:tests? #t
-       #:test-command '("emacs" "--batch" "-l" "test/test.el"
-                        "-f" "ert-run-tests-batch-and-exit")))
-    (home-page "https://github.com/syohex/emacs-git-messenger")
-    (synopsis "Popup commit message at current line")
-    (description "@code{emacs-git-messenger} provides
-@code{git-messenger:popup-message}, a function that when called, will popup
-the last git commit message for the current line.  This uses git-blame
-internally.")
-    (license license:gpl3+)))
-
-(define-public emacs-gitpatch
-  (package
-    (name "emacs-gitpatch")
-    (version "0.5.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/tumashu/gitpatch/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1yj6pmic541lcnscjin300k380qp9xdfprs55xg1q57jrkq6f6k7"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/tumashu/gitpatch")
-    (synopsis "Mail git patch from Emacs")
-    (description "@code{emacs-gitpatch} lets users easily send git patches,
-created by @code{git format-patch}, from @code{magit}, @code{dired} and
-@code{ibuffer} buffers.")
-    (license license:gpl3+)))
-
-(define-public emacs-erc-hl-nicks
-  (package
-    (name "emacs-erc-hl-nicks")
-    (version "1.3.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/leathekd/erc-hl-nicks"
-                           "/archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1a1r2kc3688g8c2ybkpwh88kgmnqhg3h3032g2yn4zr9m0n3vpkr"))))
-    (build-system emacs-build-system)
-    (synopsis "Nickname highlighting for Emacs ERC")
-    (description "@code{erc-hl-nicks} highlights nicknames in ERC, an IRC
-client for Emacs.  The main features are:
-@itemize
-@item Auto-colorizes nicknames without having to specify colors
-@item Ignores certain characters that IRC clients add to nicknames to avoid
-duplicates (nickname, nickname’, nickname\", etc.)
-@item Attempts to produce colors with a sufficient amount of contrast between
-the nick color and the background color
-@end itemize\n")
-    (home-page "https://github.com/leathekd/erc-hl-nicks")
-    (license license:gpl3+)))
-
-(define-public emacs-engine-mode
-  (package
-    (name "emacs-engine-mode")
-    (version "2.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/hrs/engine-mode/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1vm4p7pcp1vnwwxvps1bhm7i7hkabqqxl898knxf2hqvxys76684"))))
-    (build-system emacs-build-system)
-    (synopsis "Minor mode for defining and querying search engines")
-    (description "@code{engine-mode} is a global minor mode for Emacs.  It
-enables you to easily define search engines, bind them to keybindings, and
-query them from the comfort of your editor.")
-    (home-page "https://github.com/hrs/engine-mode")
-    (license license:gpl3+)))
-
-(define-public emacs-prop-menu
-  (package
-    (name "emacs-prop-menu")
-    (version "0.1.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "http://stable.melpa.org/packages/prop-menu-"
-             version ".el"))
-       (sha256
-        (base32
-         "01bk4sjafzz7gqrkv9jg0pa85qr34vbk3q8ga2b0m61bndywzgpr"))))
-    (build-system emacs-build-system)
-    (home-page
-     "https://github.com/david-christiansen/prop-menu-el")
-    (synopsis
-     "Create and display a context menu based on text and overlay properties")
-    (description
-     "This is a library for computing context menus based on text
-properties and overlays.  The intended use is to have tools that
-annotate source code and others that use these annotations, without
-requiring a direct coupling between them, but maintaining
-discoverability.
-
-Major modes that wish to use this library should first define an
-appropriate value for @code{prop-menu-item-functions}.  Then, they should
-bind @code{prop-menu-by-completing-read} to an appropriate
-key.  Optionally, a mouse pop-up can be added by binding
-@code{prop-menu-show-menu} to a mouse event.")
-    (license license:gpl3+)))
-
-(define-public emacs-idris-mode
-  (package
-    (name "emacs-idris-mode")
-    (version "0.9.19")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "http://stable.melpa.org/packages/idris-mode-"
-             version ".tar"))
-       (sha256
-        (base32
-         "02r1qqsxi6qk7q4cj6a6pygbj856dcw9vcmhfh0ib92j41v77q6y"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-prop-menu" ,emacs-prop-menu)))
-    (home-page
-     "https://github.com/idris-hackers/idris-mode")
-    (synopsis "Major mode for editing Idris code")
-    (description
-     "This is an Emacs mode for editing Idris code.  It requires the latest
-version of Idris, and some features may rely on the latest Git version of
-Idris.")
-    (license license:gpl3+)))
-
-(define-public emacs-browse-at-remote
-  (package
-    (name "emacs-browse-at-remote")
-    (version "0.10.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/rmuslimov/browse-at-remote/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0ymslsp6i1naw25zckv25bf4aaq6qwkbkn95qyzlwg869l802686"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-f" ,emacs-f)
-       ("emacs-s" ,emacs-s)))
-    (native-inputs
-     `(("ert-runner" ,emacs-ert-runner)))
-    (arguments
-     `(#:tests? #t
-       #:test-command '("ert-runner")))
-    (home-page "https://github.com/rmuslimov/browse-at-remote")
-    (synopsis "Open github/gitlab/bitbucket/stash page from Emacs")
-    (description
-     "This Emacs package allows you to open a target page on
-github/gitlab (or bitbucket) by calling @code{browse-at-remote} command.
-It supports dired buffers and opens them in tree mode at destination.")
-    (license license:gpl3+)))
-
-(define-public emacs-tiny
-  (package
-    (name "emacs-tiny")
-    (version "0.2.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "http://elpa.gnu.org/packages/tiny-" version ".tar"))
-       (sha256
-        (base32
-         "1cr73a8gba549ja55x0c2s554f3zywf69zbnd7v82jz5q1k9wd2v"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/abo-abo/tiny")
-    (synopsis "Quickly generate linear ranges in Emacs")
-    (description
-     "The main command of the @code{tiny} extension for Emacs is @code{tiny-expand}.
-It is meant to quickly generate linear ranges, e.g. 5, 6, 7, 8.  Some elisp
-proficiency is an advantage, since you can transform your numeric range with
-an elisp expression.")
-    (license license:gpl3+)))
-
-(define-public emacs-emojify
-  (package
-    (name "emacs-emojify")
-    (version "0.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/iqbalansari/emacs-emojify/"
-                           "releases/download/v" version "/emojify-"
-                           version ".tar"))
-       (sha256
-        (base32
-         "0k84v2d2bkiwcky9fi1yyprgkj46g7wh6pyl9gzmcd7sqv051d5n"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'install-data
-           (lambda* (#:key  outputs #:allow-other-keys)
-             (copy-recursively "data"
-                               (string-append (assoc-ref outputs "out")
-                                              "/share/emacs/site-lisp/guix.d/"
-                                              "emojify-" ,version "/data"))
-             #t)))))
-    (propagated-inputs
-     `(("emacs-ht" ,emacs-ht)))
-    (home-page "https://github.com/iqbalansari/emacs-emojify")
-    (synopsis "Display emojis in Emacs")
-    (description "This package displays emojis in Emacs similar to how Github,
-Slack, and other websites do.  It can display plain ASCII like @code{:)} as
-well as Github-style emojis like @code{:smile:}.  It provides a minor mode
-@code{emojify-mode} to enable the display of emojis in a buffer.")
-    (license license:gpl3+)))
-
-(define-public emacs-websocket
-  (package
-    (name "emacs-websocket")
-    (version "1.10")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/ahyatt/emacs-websocket.git")
-             (commit version)))
-       (file-name (string-append name "-" version "-checkout"))
-       (sha256
-        (base32
-         "1dgrf7na6r6mmkknphzshlbd5fnzisg0qn0j7vfpa38wgsymaq52"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/websocket.html")
-    (synopsis "Emacs WebSocket client and server")
-    (description "This is an Elisp library for WebSocket clients to talk to
-WebSocket servers, and for WebSocket servers to accept connections from
-WebSocket clients.  This library is designed to be used by other library
-writers, to write applications that use WebSockets, and is not useful by
-itself.")
-    (license license:gpl3+)))
-
-(define-public emacs-oauth2
-  (package
-    (name "emacs-oauth2")
-    (version "0.11")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/oauth2-"
-                           version ".el"))
-       (sha256
-        (base32
-         "0ydkc9jazsnbbvfhd47mql52y7k06n3z7r0naqxkwb99j9blqsmp"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/oauth2.html")
-    (synopsis "OAuth 2.0 authorization protocol implementation")
-    (description
-     "This package provides an Elisp implementation of the OAuth 2.0 draft.
-The main entry point is @code{oauth2-auth-and-store} which will return a token
-structure.  This token structure can be then used with
-@code{oauth2-url-retrieve-synchronously} or @code{oauth2-url-retrieve} to
-retrieve any data that need OAuth authentication to be accessed.  If the token
-needs to be refreshed, the code handles it automatically and stores the new
-value of the access token.")
-    (license license:gpl3+)))
-
-(define-public emacs-circe
-  (package
-    (name "emacs-circe")
-    (version "2.10")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/jorgenschaefer/circe.git")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "10gi14kwxd81blddpvqh95lgmpbfgp0m955naxix3bs3r6a75n4s"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("buttercup" "-L" ".")
-       #:phases
-       (modify-phases %standard-phases
-         ;; The HOME environment variable should be set to an existing
-         ;; directory for the tests to succeed.
-         (add-before 'check 'set-home
-           (lambda _
-             (setenv "HOME" "/tmp")
-             #t)))))
-    (native-inputs
-     `(("emacs-buttercup" ,emacs-buttercup)))
-    ;; In order to securely connect to an IRC server using TLS, Circe requires
-    ;; the GnuTLS binary.
-    (propagated-inputs
-     `(("gnutls" ,gnutls)))
-    (home-page "https://github.com/jorgenschaefer/circe")
-    (synopsis "Client for IRC in Emacs")
-    (description "Circe is a Client for IRC in Emacs.  It integrates well with
-the rest of the editor, using standard Emacs key bindings and indicating
-activity in channels in the status bar so it stays out of your way unless you
-want to use it.")
-    (license license:gpl3+)))
-
-(define-public emacs-tracking
-  (package
-    (inherit emacs-circe)
-    (name "emacs-tracking")
-    (arguments
-     ;; "tracking.el" is a library extracted from Circe package.  It requires
-     ;; "shorten.el".
-     `(#:include '("^shorten.el$" "^tracking.el$")
-       ,@(package-arguments emacs-circe)))
-    (home-page "https://github.com/jorgenschaefer/circe/wiki/Tracking")
-    (synopsis "Buffer tracking library")
-    (description "@code{tracking.el} provides a way for different modes to
-notify the user that a buffer needs attention.  The user then can cycle
-through them using @key{C-c C-SPC}.")
-    (license license:gpl3+)))
-
-(define-public emacs-slack
-  (let ((commit "99a57501629a0329a9ca090c1ea1296462eda02d")
-        (revision "5"))
-    (package
-      (name "emacs-slack")
-      (version (git-version "0.0.2" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/yuya373/emacs-slack.git")
-                      (commit commit)))
-                (file-name (git-file-name name commit))
-                (sha256
-                 (base32
-                  "0jw1diypfw8pmzkq0napgxmfc0gqka7zcccgnw359604lr30k2z2"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-alert" ,emacs-alert)
-         ("emacs-emojify" ,emacs-emojify)
-         ("emacs-helm" ,emacs-helm)
-         ("emacs-request" ,emacs-request)
-         ("emacs-websocket" ,emacs-websocket)
-         ("emacs-oauth2" ,emacs-oauth2)
-         ("emacs-circe" ,emacs-circe)))
-      (home-page "https://github.com/yuya373/emacs-slack")
-      (synopsis "Slack client for Emacs")
-      (description "This package provides an Emacs client for the Slack
-messaging service.")
-      (license license:gpl3+))))
-
-(define-public emacs-bash-completion
-  (package
-   (name "emacs-bash-completion")
-   (version "2.1.0")
-   (source
-    (origin
-      (method url-fetch)
-      (uri (string-append
-            "https://github.com/szermatt/emacs-bash-completion/archive/v"
-            version ".tar.gz"))
-      (file-name (string-append name "-" version ".tar.gz"))
-      (sha256
-       (base32
-        "1z0qck3v3ra6ivacn8n04w1v33a4xn01xx860761q31qzsv3sksq"))))
-   (inputs `(("bash" ,bash)))
-   (build-system emacs-build-system)
-   (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'install 'configure
-           (lambda* (#:key inputs #:allow-other-keys)
-             (let ((bash (assoc-ref inputs "bash")))
-               (emacs-substitute-variables "bash-completion.el"
-                 ("bash-completion-prog" (string-append bash "/bin/bash"))))
-             #t)))))
-   (home-page "https://github.com/szermatt/emacs-bash-completion")
-   (synopsis "Bash completion for the shell buffer")
-   (description
-    "@code{bash-completion} defines dynamic completion hooks for shell-mode
-and shell-command prompts that are based on Bash completion.")
-   (license license:gpl2+)))
-
-(define-public emacs-easy-kill
-  (package
-    (name "emacs-easy-kill")
-    (version "0.9.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/easy-kill-"
-                                  version ".tar"))
-              (sha256
-               (base32
-                "17nw0mglmg877axwg1d0gs03yc0p04lzmd3pl0nsnqbh3303fnqb"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/leoliu/easy-kill")
-    (synopsis "Kill and mark things easily in Emacs")
-    (description
-     "This package provides commands @code{easy-kill} and @code{easy-mark} to
-let users kill or mark things easily.")
-    (license license:gpl3+)))
-
-(define-public emacs-csv-mode
-  (package
-    (name "emacs-csv-mode")
-    (version "1.7")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "http://elpa.gnu.org/packages/csv-mode-"
-                           version ".el"))
-       (sha256
-        (base32
-         "0r4bip0w3h55i8h6sxh06czf294mrhavybz0zypzrjw91m1bi7z6"))))
-    (build-system emacs-build-system)
-    (home-page
-     "http://elpa.gnu.org/packages/csv-mode.html")
-    (synopsis
-     "Major mode for editing comma/char separated values")
-    (description
-     "This Emacs package implements CSV mode, a major mode for editing records
-in a generalized CSV (character-separated values) format.")
-    (license license:gpl3+)))
-
-(define-public emacs-transmission
-  (package
-    (name "emacs-transmission")
-    (version "0.12.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/holomorph/transmission/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1rrlgn96gi1ljfwbwvlyyxbq75xzamlbdhq1bpyadxxmxcvlmk3n"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/holomorph/transmission")
-    (synopsis "Emacs interface to a Transmission session")
-    (description "This package provides an Emacs interface to interact with a
-running session of the Transmission Bittorrent client.
-
-Features:
-
-@itemize
-@item List, add, start/stop, verify, remove torrents.
-@item Set speed limits, ratio limits, bandwidth priorities, trackers.
-@item Navigate to the corresponding file list, torrent info, peer info
-contexts.
-@item Toggle downloading and set priorities for individual files.
-@end itemize\n")
-    (license license:gpl3+)))
-
-(define-public emacs-polymode
-  (package
-    (name "emacs-polymode")
-    (version "0.1.5")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/vspinu/polymode.git")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "0wwphs54jx48a3ca6x1qaz56j3j9bg4mv8g2akkffrzbdcb8sbc7"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:include (cons* "^modes/.*\\.el$" %default-include)
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'set-emacs-load-path 'add-modes-subdir-to-load-path
-           (lambda _
-             (setenv "EMACSLOADPATH"
-                     (string-append (getenv "EMACSLOADPATH")
-                                    ":" (getcwd) "/modes" ":")))))))
-    (home-page "https://github.com/vspinu/polymode")
-    (synopsis "Framework for multiple Emacs modes based on indirect buffers")
-    (description "Polymode is an Emacs package that offers generic support
-for multiple major modes inside a single Emacs buffer.  It is lightweight,
-object oriented and highly extensible.  Creating a new polymode typically
-takes only a few lines of code.  Polymode also provides extensible facilities
-for external literate programming tools for exporting, weaving and tangling.")
-    (license license:gpl3+)))
-
-(define-public emacs-polymode-ansible
-  (let ((commit "b26094d029e25dc797b94254f797e7807a57e4c8"))
-    (package
-      (name "emacs-polymode-ansible")
-      ;; No upstream version release yet.
-      (version (git-version "0.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://gitlab.com/mavit/poly-ansible")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "055shddqibib3hx2ykwdz910nrqws40cd407mq946l2bf6v87gj6"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-ansible-doc" ,emacs-ansible-doc)
-         ("emacs-jinja2-mode" ,emacs-jinja2-mode)
-         ("emacs-polymode" ,emacs-polymode)
-         ("emacs-yaml-mode" ,emacs-yaml-mode)))
-      (properties '((upstream-name . "poly-ansible")))
-      (home-page "https://gitlab.com/mavit/poly-ansible/")
-      (synopsis "Polymode for Ansible - Jinja2 in YAML")
-      (description
-       "Edit YAML files for Ansible containing embedded Jinja2 templating.")
-      (license license:gpl3+))))
-
-(define-public eless
-  (package
-    (name "eless")
-    (version "0.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/kaushalmodi/eless/archive/"
-                    "v" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0gjnnhgw5xs1w3qfnkvwa2nv44gnxr8pkhx3c7qig45p8nh1461h"))))
-    (build-system trivial-build-system)
-    (inputs
-     `(("bash" ,bash)))
-    (native-inputs
-     `(("tar" ,tar)
-       ("gzip" ,gzip)))
-    (arguments
-     `(#:modules ((guix build utils))
-       #:builder
-       (begin
-         (use-modules (guix build utils))
-         (setenv "PATH" (string-append
-                         (assoc-ref %build-inputs "tar") "/bin" ":"
-                         (assoc-ref %build-inputs "gzip") "/bin"))
-         (invoke "tar" "xvf" (assoc-ref %build-inputs "source"))
-         (chdir (string-append "eless" "-" ,version))
-         (substitute* "eless" (("/usr/bin/env bash")
-                               (string-append (assoc-ref %build-inputs "bash")
-                                              "/bin/bash")))
-         (install-file "eless" (string-append %output "/bin"))
-         (install-file "doc/eless.info" (string-append %output "/share/info"))
-         #t)))
-    (home-page "https://github.com/kaushalmodi/eless")
-    (synopsis "Use Emacs as a paginator")
-    (description "@code{eless} provides a combination of Bash script
-and a minimal Emacs view-mode.
-
-Feautures:
-
-@itemize
-@item Independent of a user’s Emacs config.
-@item Customizable via the @code{(locate-user-emacs-file \"elesscfg\")} config.
-@item Not require an Emacs server to be already running.
-@item Syntax highlighting.
-@item Org-mode file rendering.
-@item @code{man} page viewer.
-@item Info viewer.
-@item Dired, wdired, (batch edit symbolic links).
-@item Colored diffs, git diff, git log, ls with auto ANSI detection.
-@item Filter log files lines matching a regexp.
-@item Auto-revert log files similar to @code{tail -f}.
-@item Quickly change frame and font sizes.
-@end itemize\n")
-    (license license:expat)))
-
-(define-public emacs-evil-matchit
-  (package
-    (name "emacs-evil-matchit")
-    (version "2.2.6")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/redguardtoo/evil-matchit/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1yp9sl6542317mn1060ri90zyf6bs6qylagndhqy02p368q31rhi"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-evil" ,emacs-evil)))
-    (home-page "https://github.com/redguardtoo/evil-matchit")
-    (synopsis "Vim matchit ported into Emacs")
-    (description
-     "@code{evil-matchit} is a minor mode for jumping between matching tags in
-evil mode using @kbd{%}.  It is a port of @code{matchit} for Vim.")
-    (license license:gpl3+)))
-
-(define-public emacs-evil-smartparens
-  (package
-    (name "emacs-evil-smartparens")
-    (version "0.4.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/expez/evil-smartparens/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1bwzdd3054d407d5j4m3njsbvmc9r8zzp33m32pj3b3irxrl68q0"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-evil" ,emacs-evil)
-       ("emacs-smartparens" ,emacs-smartparens)))
-    (home-page "https://github.com/expez/evil-smartparens")
-    (synopsis "Emacs Evil integration for Smartparens")
-    (description "@code{emacs-evil-smartparens} is an Emacs minor mode which
-makes Evil play nice with Smartparens.  Evil is an Emacs minor mode that
-emulates Vim features and provides Vim-like key bindings.")
-    (license license:gpl3+)))
-
-(define-public emacs-evil-quickscope
-  (package
-    (name "emacs-evil-quickscope")
-    (version "0.1.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/blorbx/evil-quickscope/archive/v"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1r26a412mmar7vbf89zcifswiwpdg30mjzj32xdyqss57aqi83ma"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-evil" ,emacs-evil)))
-    (arguments
-     `(#:tests? #t
-       #:test-command '("emacs" "--batch"
-                        "-l" "evil-quickscope-tests.el"
-                        "-f" "ert-run-tests-batch-and-exit")))
-    (home-page "https://github.com/blorbx/evil-quickscope")
-    (synopsis "Target highlighting for emacs evil-mode f,F,t and T commands")
-    (description "@code{emacs-evil-quickscope} highlights targets for Evil
-mode’s f,F,t,T keys, allowing for quick navigation within a line.  It is a
-port of quick-scope for Vim.  Evil is an Emacs minor mode that emulates Vim
-features and provides Vim-like key bindings.")
-    (license license:gpl3+)))
-
-(define-public emacs-bongo
-  (package
-    (name "emacs-bongo")
-    (version "1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/dbrock/bongo/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1pcsyyrvj7djjjwpaswd1i782hvqvlvs39cy9ns0k795si6xd64d"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/dbrock/bongo")
-    (synopsis "Media player for Emacs")
-    (description
-     "This package provides a flexible media player for Emacs.  @code{Bongo}
-supports multiple backends such as @code{vlc}, @code{mpg123},
-@code{ogg123}, @code{speexdec}, @code{timidity}, @code{mikmod} and
-@code{afplay}.")
-    (license license:gpl2+)))
-
-(define-public emacs-groovy-modes
-  (package
-    (name "emacs-groovy-modes")
-    (version "2.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/Groovy-Emacs-Modes/groovy-emacs-modes"
-                    "/archive/" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "15j0hnkx9nppjzda5cqsxxz5f3bq9hc4xfyjcdypzqiypcvmpa39"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-s" ,emacs-s)))
-    (home-page "https://github.com/Groovy-Emacs-Modes/groovy-emacs-modes")
-    (synopsis "Groovy related modes for Emacs")
-    (description
-     "This package provides @code{groovy-mode} for syntax highlighing in
-Groovy source files, REPL integration with run-groovy and Grails project
-navigation with the grails mode.")
-    (license license:gpl3+)))
-
-(define-public groovy-emacs-modes
-  (deprecated-package "groovy-emacs-modes" emacs-groovy-modes))
-
-(define-public emacs-org-tree-slide
-  (let ((commit "dff8f1a4a64c8dd0a1fde0b0131e2fe186747134")
-        (revision "0"))
-    (package
-      (name "emacs-org-tree-slide")
-      (version (git-version "0.1" revision commit))
-      (home-page "https://github.com/takaxp/org-tree-slide")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url home-page) (commit commit)))
-                (sha256
-                 (base32
-                  "153bg0x7ypla11pq51jmsgzfjklwwnrq56xgpbfhk1j16xwz9hyf"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (synopsis "Presentation tool for org-mode")
-      (description
-       "Org-tree-slide provides a slideshow mode to view org-mode files.  Use
-@code{org-tree-slide-mode} to enter the slideshow mode, and then @kbd{C->} and
-@kbd{C-<} to jump to the next and previous slide.")
-      (license license:gpl3+))))
-
-(define-public emacs-scratch-el
-  (let ((commit "2cdf2b841ce7a0987093f65b0cc431947549f897")
-        (revision "1"))
-    (package
-      (name "emacs-scratch-el")
-      (version (git-version "1.2" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/ieure/scratch-el.git")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "0wscsndynjmnliajqaz28r1ww81j8wh84zwaaswx51abhwgl0idf"))))
-      (build-system emacs-build-system)
-      (native-inputs
-       `(("texinfo" ,texinfo)))
-      (arguments
-       '(#:phases
-         (modify-phases %standard-phases
-           (add-after 'install 'install-doc
-             (lambda* (#:key outputs #:allow-other-keys)
-               (unless (invoke "makeinfo" "scratch.texi")
-                 (error "makeinfo failed"))
-               (install-file "scratch.info"
-                             (string-append (assoc-ref outputs "out")
-                                            "/share/info"))
-               #t)))))
-      (home-page "https://github.com/ieure/scratch-el/")
-      (synopsis "Create scratch buffers with the same mode as current buffer")
-      (description "Scratch is an extension to Emacs that enables one to create
-scratch buffers that are in the same mode as the current buffer.  This is
-notably useful when working on code in some language; you may grab code into a
-scratch buffer, and, by virtue of this extension, do so using the Emacs
-formatting rules for that language.")
-      (license license:bsd-2))))
-
-(define-public emacs-kv
-  (package
-    (name "emacs-kv")
-    (version "0.0.19")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/nicferrier/emacs-kv.git")
-             (commit "721148475bce38a70e0b678ba8aa923652e8900e")))
-       (file-name (string-append name "-" version "-checkout"))
-       (sha256
-        (base32
-         "0r0lz2s6gvy04fwnafai668jsf4546h4k6zd6isx5wpk0n33pj5m"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("emacs" "--batch" "-l" "kv-tests.el"
-                        "-f" "ert-run-tests-batch-and-exit")))
-    (home-page "https://github.com/nicferrier/emacs-kv")
-    (synopsis "Key/Value data structures library for Emacs Lisp")
-    (description "@code{emacs-kv} is a collection of tools for dealing with
-key/value data structures such as plists, alists and hash-tables in Emacs
-Lisp.")
-    (license license:gpl3+)))
-
-(define-public emacs-esxml
-  (package
-    (name "emacs-esxml")
-    (version "0.3.4")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/tali713/esxml.git")
-                    (commit version)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "00vv8a75wdklygdyr4km9mc2ismxak69c45jmcny41xl44rp9x8m"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'fix-sources
-           (lambda _
-             ;; See: https://github.com/tali713/esxml/pull/28.
-             (substitute* "css-lite.el"
-               ((";;; main interface")
-                (string-append ";;; main interface\n"
-                               "(require 'cl-lib)"))
-               (("mapcan")
-                "cl-mapcan")
-               (("',\\(cl-mapcan #'process-css-rule rules\\)")
-                "(cl-mapcan #'process-css-rule ',rules)"))
-             (substitute* "esxml-form.el"
-               ((",esxml-form-field-defn")
-                "#'esxml-form-field-defn"))
-             ;; See: https://github.com/tali713/esxml/issues/25
-             (delete-file "esxpath.el")
-             #t)))))
-    (propagated-inputs
-     `(("emacs-kv" ,emacs-kv)))
-    (home-page "https://github.com/tali713/esxml/")
-    (synopsis "SXML for EmacsLisp")
-    (description "This is XML/XHTML done with S-Expressions in EmacsLisp.
-Simply, this is the easiest way to write HTML or XML in Lisp.  This library
-uses the native form of XML representation as used by many libraries already
-included within Emacs.  See @code{esxml-to-xml} for a concise description of
-the format.")
-    (license license:gpl3+)))
-
-(define-public emacs-nov-el
-  (package
-    (name "emacs-nov-el")
-    (version "0.2.6")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/wasamasa/nov.el.git")
-                    (commit version)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "188h5gzn1zf443g0b7q5bpmvvpr6ds5h8aci8vxc92py56rhyrvc"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'embed-path-to-unzip
-           (lambda _
-             (substitute* "nov.el"
-               (("\\(executable-find \"unzip\"\\)")
-                (string-append "\"" (which "unzip") "\"")))
-             #t)))))
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-esxml" ,emacs-esxml)))
-    (inputs
-     `(("unzip" ,unzip)))
-    (home-page "https://github.com/wasamasa/nov.el/")
-    (synopsis "Major mode for reading EPUBs in Emacs")
-    (description "@code{nov.el} provides a major mode for reading EPUB
-documents.
-
-Features:
-
-@itemize
-@item Basic navigation (jump to TOC, previous/next chapter)
-@item Remembering and restoring the last read position
-@item Jump to next chapter when scrolling beyond end
-@item Renders EPUB2 (@code{.ncx}) and EPUB3 (@code{<nav>}) TOCs
-@item Hyperlinks to internal and external targets
-@item Supports textual and image documents
-@item View source of document files
-@item Metadata display
-@item Image rescaling
-@end itemize
-")
-    (license license:gpl3+)))
-
-(define-public epipe
-  (package
-    (name "epipe")
-    (version "0.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/cute-jumper/epipe/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "05a036852g4j63k1mhvyfrcsgkl9lczayi7x61570ysw3cli5wp5"))))
-    (build-system trivial-build-system)
-    (inputs
-     `(("bash" ,bash)
-       ("perl" ,perl)))
-    (native-inputs
-     `(("tar" ,tar)
-       ("gzip" ,gzip)))
-    (arguments
-     `(#:modules
-       ((guix build utils))
-       #:builder
-       (begin
-         (use-modules (guix build utils))
-         ;; Extract source
-         (setenv "PATH" (string-append
-                         (assoc-ref %build-inputs "tar") "/bin" ":"
-                         (assoc-ref %build-inputs "gzip") "/bin"))
-         (invoke "tar" "xvf" (assoc-ref %build-inputs "source"))
-         (chdir (string-append ,name "-" ,version))
-         ;; Patch shebangs
-         (substitute* "epipe"
-           (("/usr/bin/env bash")
-            (string-append (assoc-ref %build-inputs "bash") "/bin/bash")))
-         (patch-shebang "epipe.pl"
-                        (list (string-append (assoc-ref %build-inputs "perl")
-                                             "/bin")))
-         ;; Installation
-         (for-each (lambda (file)
-                     (install-file file (string-append %output "/bin")))
-                   '("epipe" "epipe.pl"))
-         #t)))
-    (home-page "https://github.com/cute-jumper/epipe")
-    (synopsis "Pipe to the @code{emacsclient}")
-    (description "@code{epipe} provides an utility to use your editor in
-the pipeline, featuring the support for running @code{emacsclient}.")
-    (license license:gpl3+)))
-
-(define-public emacs-hcl-mode
-  (package
-    (name "emacs-hcl-mode")
-    (version "0.03")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/syohex/emacs-hcl-mode/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0pvw74qpwh0znqzp6syp4wxjqs7dp1hbn5h7xfk97mff9l5d8k6x"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/syohex/emacs-hcl-mode")
-    (synopsis "Major mode for the Hashicorp Configuration Language")
-    (description
-     "@code{emacs-hcl-mode} provides an Emacs major mode for working with
-@acronym{HCL, Hashicorp Configuration Language}.  It provides syntax
-highlighting and indentation support.")
-    (license license:gpl3+)))
-
-(define-public emacs-terraform-mode
-  (package
-    (name "emacs-terraform-mode")
-    (version "0.06")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/syohex/emacs-terraform-mode/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0h9267ifdjmcin4sj8slxydbacx4bqicbvg8pa1qq2l72h9m5381"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-hcl-mode" ,emacs-hcl-mode)))
-    (home-page "https://github.com/syohex/emacs-terraform-mode")
-    (synopsis "Major mode for Terraform")
-    (description
-     "@code{emacs-terraform-mode} provides a major mode for working with
-@uref{https://www.terraform.io/, Terraform} configuration files.  Most of the
-functionality is inherited from @code{hcl-mode}.")
-    (license license:gpl3+)))
-
-(define-public emacs-exec-path-from-shell
-  (package
-    (name "emacs-exec-path-from-shell")
-    (version "1.11")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://stable.melpa.org/packages/exec-path-from-shell-"
-             version ".el"))
-       (sha256
-        (base32
-         "03qjgb81cq1l3j54lvlf98r75vmmgd06mj6qh5wa6mz4xzp4w26r"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/purcell/exec-path-from-shell")
-    (synopsis "Get environment variables such as @var{PATH} from the shell")
-    (description
-     "This library allows the user to set Emacs @var{exec-path} and @var{PATH}
-from the shell @var{PATH}, so that @code{shell-command}, @code{compile} and
-the like work as expected on systems on which Emacs is not guaranteed to
-inherit a login shell's environment variables.  It also allows other
-environment variables to be retrieved from the shell, so that Emacs will see
-the same values you get in a terminal.")
-    (license license:gpl3+)))
-
-(define-public emacs-deft
-  (package
-    (name "emacs-deft")
-    (version "0.8")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://stable.melpa.org/packages/deft-"
-                           version ".el"))
-       (sha256
-        (base32
-         "1vb9cjxskc7c0yyf9pvxy1fzypg1vrcgwnjz0m3hslinsgdyig58"))))
-    (build-system emacs-build-system)
-    (home-page "https://jblevins.org/projects/deft/")
-    (synopsis "Quickly browse, filter, and edit plain text notes")
-    (description
-     "Deft is an Emacs mode for quickly browsing, filtering, and editing
-directories of plain text notes, inspired by Notational Velocity.")
-    (license license:bsd-3)))
-
-(define-public emacs-anzu
-  (package
-    (name "emacs-anzu")
-    (version "0.62")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/syohex/emacs-anzu/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "16cg3897x5znbmgk7sdy0qyd0fbic9dmmz0dchq2vz5z29yhg4cz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/syohex/emacs-anzu")
-    (synopsis "Show number of matches in mode-line while searching")
-    (description
-     "Anzu provides a minor mode which displays \"current match/total
-matches\" in the mode line in various search modes.  This is an Emacs port of
-Anzu.zim.")
-    (license license:gpl3+)))
-
-(define-public emacs-emmet-mode
-  (package
-    (name "emacs-emmet-mode")
-    (version "1.0.8")
-    (source (origin
-	      (method url-fetch)
-	      (uri (string-append "https://github.com/smihica/emmet-mode"
-				  "/archive/" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-	      (sha256
-	       (base32
-		"0g3p22yabfcp98cfv9dgl9il2m2pd53isq2q11vb3s7qyn31f7zj"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/smihica/emmet-mode")
-    (synopsis "Unofficial Emmet's support for Emacs")
-    (description
-     "Unfold CSS-selector-like expressions to markup.  It is intended to be
-used with SGML-like languages: XML, HTML, XHTML, XSL, etc.")
-    (license license:gpl3+)))
-
-(define-public emacs-ergoemacs-mode
-  (let ((commit "3ce23bba3cb50562693860f87f3528c471d603ba")
-        (revision "1"))
-    (package
-      (name "emacs-ergoemacs-mode")
-      (version (git-version "5.16.10.12" revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/ergoemacs/ergoemacs-mode.git")
-               (commit commit)))
-         (sha256
-          (base32
-           "1s3b9bridl78hh1mxmdk9nqlmqhibbaxk0a1cixmsf23s06w8w6l"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-undo-tree" ,emacs-undo-tree)))
-      (home-page "https://ergoemacs.github.io/")
-      (synopsis "Emacs mode based on common modern interface and ergonomics")
-      (description
-       "This package provides an efficient Emacs keybinding set based on
-statistics of command frequency, and supports common shortcuts for open,
-close, copy, cut, paste, undo, redo.")
-      (license license:gpl3+))))
-
-(define-public emacs-password-store
-  (package
-    (name "emacs-password-store")
-    (version "1.7.3")
-    (source (origin
-              (method url-fetch)
-              (uri
-               (string-append "https://git.zx2c4.com/password-store/snapshot/"
-                              "password-store-" version ".tar.xz"))
-              (sha256
-               (base32
-                "1x53k5dn3cdmvy8m4fqdld4hji5n676ksl0ql4armkmsds26av1b"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'extract-el-file
-           (lambda _
-             (copy-file "contrib/emacs/password-store.el" "password-store.el")
-             (delete-file-recursively "contrib")
-             (delete-file-recursively "man")
-             (delete-file-recursively "src")
-             (delete-file-recursively "tests"))))))
-    (propagated-inputs
-     `(("emacs-f" ,emacs-f)
-       ("emacs-s" ,emacs-s)
-       ("emacs-with-editor" ,emacs-with-editor)
-       ("password-store" ,password-store)))
-    (home-page "https://git.zx2c4.com/password-store/tree/contrib/emacs")
-    (synopsis "Password store (pass) support for Emacs")
-    (description
-     "This package provides functions for working with pass (\"the
-standard Unix password manager\").")
-    (license license:gpl2+)))
-
-(define-public emacs-pass
-  (package
-    (name "emacs-pass")
-    (version "1.8")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/NicolasPetton/pass/archive/"
-                    version ".tar.gz"))
-              (sha256
-               (base32
-                "0aiz90gklk0cb8n4v1s3l0mx6pp2b7f4k2c0fjpihwmga13yklwn"))
-              (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-password-store" ,emacs-password-store)
-       ("emacs-f" ,emacs-f)))
-    (home-page "https://github.com/NicolasPetton/pass")
-    (synopsis "Major mode for @file{password-store.el}")
-    (description "This is a major mode for managing password-store (pass)
-keychains.  The keychain entries are displayed in a directory-like structure
-and can be consulted and modified.")
-    (license license:gpl3+)))
-
-(define-public emacs-evil-anzu
-  (package
-    (name "emacs-evil-anzu")
-    (version "0.03")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/syohex/emacs-evil-anzu"
-                           "/archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32 "032hh2946z529cizqsg8pm6cpn5qdj8lfk3qskmx6xv3g2ra56ns"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-evil" ,emacs-evil)
-       ("emacs-anzu" ,emacs-anzu)))
-    (home-page "https://github.com/syohex/emacs-evil-anzu")
-    (synopsis "Anzu for evil-mode")
-    (description "@code{anzu} provides a minor mode that displays the current
-match and total match information in the mode-line in various search modes.")
-    (license license:gpl3+)))
-
-(define-public emacs-pg
-  (let ((commit "4f6516ec3946d95dcef49abb6703cc89ecb5183d"))
-    (package
-      (name "emacs-pg")
-      (version (git-version "0.1" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url "https://github.com/cbbrowne/pg.el")
-                                    (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "1zh7v4nnpzvbi8yj1ynlqlawk5bmlxi6s80b5f2y7hkdqb5q26k0"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/cbbrowne/pg.el")
-      (synopsis "Emacs Lisp interface for PostgreSQL")
-      (description
-       "This package provides an Emacs Lisp interface for PostgreSQL.")
-      (license license:gpl3+))))
-
-(define-public emacs-cl-generic
-  (package
-    (name "emacs-cl-generic")
-    (version "0.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://elpa.gnu.org/packages/cl-generic-"
-                           version ".el"))
-       (sha256
-        (base32
-         "0vb338bhjpsnrf60qgxny4z5rjrnifahnrv9axd4shay89d894zq"))))
-    (build-system emacs-build-system)
-    (home-page "https://elpa.gnu.org/packages/seq.html")
-    (synopsis
-     "Forward @code{cl-generic} compatibility for Emacs before version 25")
-    (description "This package provides a subset of the features of the
-@code{cl-generic} package introduced in Emacs-25, for use on previous
-@code{emacsen}.")
-    (license license:gpl3+)))
-
-(define-public emacs-finalize
-  (package
-  (name "emacs-finalize")
-  (version "2.0.0")
-  (source
-    (origin
-      (method url-fetch)
-      (uri (string-append "https://github.com/skeeto/elisp-finalize/archive/"
-                          version ".tar.gz"))
-      (file-name (string-append name "-" version ".tar.gz"))
-      (sha256
-        (base32
-         "077fycy3i5f0kjw5z3rhf4kld5lbk2idz690nkwhkz04vppk4q4x"))))
-  (build-system emacs-build-system)
-  (propagated-inputs
-    `(("emacs-cl-generic" ,emacs-cl-generic)))
-  (home-page "https://github.com/skeeto/elisp-finalize")
-  (synopsis "Finalizers for Emacs Lisp")
-  (description
-    "This package will allows to immediately run a callback (a finalizer)
-after its registered lisp object has been garbage collected.  This allows for
-extra resources, such as buffers and processes, to be cleaned up after the
-object has been freed.")
-  (license license:unlicense)))
-
-(define-public emacs-emacsql
-  (package
-    (name "emacs-emacsql")
-    (version "3.0.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/skeeto/emacsql.git")
-                    (commit (string-append version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1c84gxr1majqj4b59wgdy3lzm3ap66w9qsrnkx8hdbk9895ak81g"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:modules ((guix build emacs-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils)
-                  (srfi srfi-26))
-       #:phases
-       (modify-phases %standard-phases
-         (delete 'build) ;‘build-emacsql-sqlite’ compiles ‘*.el’ files.
-         (add-before 'install 'patch-elisp-shell-shebangs
-           (lambda _
-             (substitute* (find-files "." "\\.el")
-               (("/bin/sh") (which "sh")))
-             #t))
-         (add-after 'patch-elisp-shell-shebangs 'setenv-shell
-           (lambda _
-             (setenv "SHELL" "sh")))
-         (add-after 'setenv-shell 'build-emacsql-sqlite
-           (lambda _
-             (invoke "make" "binary" "CC=gcc")))
-         (add-after 'build-emacsql-sqlite 'install-emacsql-sqlite
-           ;; This build phase installs emacs-emacsql binary.
-           (lambda* (#:key outputs #:allow-other-keys)
-             (install-file "sqlite/emacsql-sqlite"
-                           (string-append (assoc-ref outputs "out")
-                                          "/bin"))
-             #t))
-         (add-after 'install-emacsql-sqlite 'patch-emacsql-sqlite.el
-           ;; This build phase removes interactive prompts
-           ;; and makes sure Emacs look for binaries in the right places.
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let ((file "emacsql-sqlite.el"))
-               (chmod file #o644)
-               (emacs-substitute-sexps file
-                 ;; Make sure Emacs looks for ‘GCC’ binary in the right place.
-                 ("(executable-find" (which "gcc"))
-                 ;; Make sure Emacs looks for ‘emacsql-sqlite’ binary
-                 ;; in the right place.
-                 ("(defvar emacsql-sqlite-executable"
-                  (string-append (assoc-ref outputs "out")
-                                 "/bin/emacsql-sqlite"))))))
-         (replace 'install
-           (lambda* (#:key outputs #:allow-other-keys)
-             (let* ((out (assoc-ref outputs "out")))
-               (install-file "sqlite/emacsql-sqlite"
-                             (string-append out "/bin"))
-               (for-each (cut install-file <>
-                              (string-append out "/share/emacs/site-lisp/guix.d/"
-                                             "emacsql" "-" ,version))
-                         (find-files "." "\\.elc*$")))
-             #t)))))
-    (inputs
-     `(("emacs-minimal" ,emacs-minimal)
-       ("mariadb" ,mariadb)
-       ("postgresql" ,postgresql)))
-    (propagated-inputs
-     `(("emacs-finalize" ,emacs-finalize)
-       ("emacs-pg" ,emacs-pg)))
-    (home-page "https://github.com/skeeto/emacsql")
-    (synopsis "Emacs high-level SQL database front-end")
-    (description "Any readable Lisp value can be stored as a value in EmacSQL,
-including numbers, strings, symbols, lists, vectors, and closures.  EmacSQL
-has no concept of @code{TEXT} values; it's all just Lisp objects.  The Lisp
-object @code{nil} corresponds 1:1 with @code{NULL} in the database.")
-    (license license:gpl3+)))
-
-(define-public emacs-closql
-  (package
-    (name "emacs-closql")
-    (version "1.0.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/emacscollective/closql.git")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1xhpfjjkjqfc1k2rj77cscclz5r7gpvv3hi202x178vdcpipjwar"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-emacsql" ,emacs-emacsql)))
-    (home-page "https://github.com/emacscollective/closql")
-    (synopsis "Store EIEIO objects using EmacSQL")
-    (description
-     "This package allows to store uniform EIEIO objects in an EmacSQL
-database.  SQLite is used as backend.  This library imposes some restrictions
-on what kind of objects can be stored; it isn't intended to store arbitrary
-objects.  All objects have to share a common superclass and subclasses cannot
-add any additional instance slots.")
-    (license license:gpl3)))
-
-(define-public emacs-epkg
-  ;; The release version is to old for the current database scheme.
-  (let ((commit "432312b9583ed7b88ad9644fd1bf2183765a892e"))
-    (package
-      (name "emacs-epkg")
-      (version (git-version "3.0.0" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacscollective/epkg.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0d882kahn7a0vri7a9r15lvmfx1zn2hsga6jfcc6jv0hqbswlb2k"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-closql" ,emacs-closql)
-         ("emacs-dash" ,emacs-dash)))
-      (home-page "https://emacsmirror.net")
-      (synopsis "Browse the Emacsmirror package database")
-      (description "This package provides access to a local copy of the
-Emacsmirror package database.  It provides low-level functions for querying
-the database and a @file{package.el} user interface for browsing the database.
-Epkg itself is not a package manager.
-
-Getting a local copy:
-
-@example
-git clone https://github.com/emacsmirror/epkgs.git ~/.emacs.d/epkgs
-cd ~/.emacs.d/epkgs
-git submodule init
-git config --global url.https://github.com/.insteadOf git@@github.com:
-git submodule update
-@end example
-
-Some submodule may be missing.  In this case Git will prompt for a GitHub user
-name and password.  To skip it press a @key{Return} key.
-
-You could get a Epkg package list by invoking @code{epkg-list-packages} in
-Emacs.")
-      (license license:gpl3+))))
-
-(define-public emacs-elisp-slime-nav
-  (package
-    (name "emacs-elisp-slime-nav")
-    (version "0.9")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/purcell/elisp-slime-nav/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1vq7ym1q47p97gxrv45c9gm96d23xbp237vkmakikj6grngxjfb2"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/purcell/elisp-slime-nav")
-    (synopsis "Make @code{M-.} and @code{M-,} work for elisp like they do in SLIME")
-    (description
-     "This package provides SLIME's convenient @code{M-.}and @code{M-,} navigation
-in @code{emacs-lisp-mode}, together with an elisp equivalent of
-@code{slime-describe-symbol}.")
-    (license license:gpl3+)))
-
-(define-public emacs-dedicated
-  (package
-    (name "emacs-dedicated")
-    (version "1.0.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/emacsorphanage/dedicated/archive/"
-                    version
-                    ".tar.gz"))
-              (sha256
-               (base32
-                "0nhbkp278cvcznb5rp3jp9ii3mjgb79zx8iwfrw7zfk3yg8688ni"))
-              (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/emacsorphanage/dedicated")
-    (synopsis "Emacs minor mode for toggling a windows's \"dedicated\" flag")
-    (description
-     "This simple Emacs minor mode allows you to toggle a window's
-\"dedicated\" flag.  When a window is \"dedicated\", Emacs will not select
-files into that window.  This can be quite handy since many commands will use
-another window to show results (compilation mode, starting info, and so on).
-A dedicated window won't be used for such a purpose.  For details, please read
-the source file.")
-    (license license:gpl2+)))
-
-(define-public emacs-nnreddit
-  (let ((commit "9843f99d01fd8f1eea2fc685965a7c7f4eeb187a")
-        (revision "1"))
-    (package
-      (name "emacs-nnreddit")
-      (version (string-append "0.0.1-" revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/paul-issartel/nnreddit.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "0j4h3bnga640250jdq8bwyja49r41ssrsjd6lba4gzzllqk02nbn"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/paul-issartel/nnreddit")
-      (synopsis "Reddit backend for the Gnus newsreader")
-      (description "@url{https://www.reddit.com} backend for the Gnus
-newsreader.")
-      (license license:gpl3+))))
-
-(define-public emacs-makey
-  (package
-    (name "emacs-makey")
-    (version "0.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/mickeynp/makey/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0kzl4q1wf2zhkx9nrymxa67n99iq0bj7zqhpaz4byksna1hsxfmv"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/mickeynp/makey")
-    (synopsis "Emacs interactive command-line mode")
-    (description
-     "This package provides an Emacs interactive command-line mode.")
-    (license license:gpl3+)))
-
-(define-public emacs-outorg
-  (let ((commit "78b0695121fb974bc4e971eb4ef7f8afd6d89d64"))
-    (package
-      (name "emacs-outorg")
-      (version (git-version "2.0" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/alphapapa/outorg")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "03aclh4m3f7rb821gr9pwvnqkkl91px3qxdcarpf3ypa1x4fxvlj"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/alphapapa/outorg")
-      (synopsis "Org-style comment editing")
-      (description "Outorg is for editing comment-sections of source-code
-files in temporary Org-mode buffers.  It turns conventional
-literate-programming upside-down in that the default mode is the
-programming-mode, and special action has to be taken to switch to the
-text-mode (i.e. Org-mode).")
-      (license license:gpl3+))))
-
-(define-public emacs-outshine
-  (let ((commit "5f1a6b70231d2811c522e4e5e8c89ff461b311d6"))
-    (package
-      (name "emacs-outshine")
-      (version (git-version "2.0" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/alphapapa/outshine.git")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "1l9v1dfhgg7il11ifbhvcvrg3acfjk9sdxlc3lja1k54d7dp60jv"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-outorg" ,emacs-outorg)))
-      (home-page "https://github.com/alphapapa/outshine")
-      (synopsis "Emacs outline with outshine")
-      (description "Outshine attempts to bring the look and feel of
-@code{org-mode} to an Emacs outside of the Org major-mode.  It is an extension
-of @code{outline-minor-mode} (@code{org-mode} itself derives from
-outline-mode), so there is no such thing like an outshine mode, only
-@code{outline-minor-mode} with outshine extensions loaded.")
-      (license license:gpl3+))))
-
-(define-public emacs-parsebib
-  (package
-    (name "emacs-parsebib")
-    (version "2.3.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/joostkremers/parsebib/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0cxagnmc5ab6idmb26axpizhr4sqglkncc59768yavn3p04jyq63"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/joostkremers/parsebib")
-    (synopsis "Library for parsing bib files")
-    (description
-     "This package provides an Emacs library for parsing bib files.")
-    (license license:gpl3+)))
-
-(define-public emacs-biblio
-  (package
-    (name "emacs-biblio")
-    (version "0.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/cpitclaudel/biblio.el/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "109fvivsb4r0rbqljngqrmxqvbnbkqlivczx6brrvlr7ci625lhf"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-seq" ,emacs-seq)
-       ("emacs-dash" ,emacs-dash)
-       ("emacs-let-alist" ,emacs-let-alist)))
-    (home-page "https://github.com/cpitclaudel/biblio.el")
-    (synopsis "Browse and import bibliographic references")
-    (description "This package provides an extensible Emacs package for
-browsing and fetching references.
-
-@file{biblio.el} makes it easy to browse and gather bibliographic references
-and publications from various sources, by keywords or by DOI.  References are
-automatically fetched from well-curated sources, and formatted as BibTeX.")
-    (license license:gpl3+)))
-
-(define-public emacs-helm-bibtex
-  (let ((commit "8ed898fb5a68f18e9bb9973832a5c1f8abcfc463")
-        (revision "1"))
-    (package
-      (name "emacs-helm-bibtex")
-      (version (string-append "2.0.0" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/tmalsburg/helm-bibtex.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "14lyx0vbqr97p3anzrsp7m3q0kqclyjcdwplpraim403fcklzbnz"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-parsebib" ,emacs-parsebib)
-         ("emacs-s" ,emacs-s)
-         ("emacs-dash" ,emacs-dash)
-         ("emacs-f" ,emacs-f)
-         ("emacs-biblio" ,emacs-biblio)
-         ("emacs-ivy" ,emacs-ivy)))
-      (home-page "https://github.com/tmalsburg/helm-bibtex")
-      (synopsis "Bibliography manager based on Helm")
-      (description "This package provides bibliography manager for Emacs,
-based on Helm and the bibtex-completion backend.
-
-Key features:
-
-@itemize
-@item Quick access to your bibliography from within Emacs
-@item Powerful search capabilities
-@item Provides instant search results as you type
-@item Tightly integrated with LaTeX authoring, emails, Org mode, etc.
-@item Open the PDFs, URLs, or DOIs associated with an entry
-@item Insert LaTeX cite commands, Ebib links, or Pandoc citations,
-BibTeX entries, or plain text references at point, attach PDFs to emails
-@item Support for note taking
-@item Quick access to online bibliographic databases such as Pubmed,
-arXiv, Google Scholar, Library of Congress, etc.
-@item Imports BibTeX entries from CrossRef and other sources.
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-ewmctrl
-  (let ((commit "3d0217c4d6cdb5c308b6cb4293574f470d4faacf"))
-    (package
-      (name "emacs-ewmctrl")
-      (version (git-version "0.0.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/flexibeast/ewmctrl.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0ilwvx0qryv3v6xf0gxqwnfm6pf96gxap8h9g3f6z6lk9ff4n1wi"))))
-      (build-system emacs-build-system)
-      (arguments
-       '(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'patch-ewmctrl
-             ;; This build phase makes sure ‘ewmctrl’ looks
-             ;; for ‘wmctrl’ in the right place.
-             (lambda _
-               (let ((file "ewmctrl.el"))
-                 (chmod file #o644)
-                 (emacs-substitute-sexps file
-                   ("(defcustom ewmctrl-wmctrl-path" (which "wmctrl")))))))))
-      (inputs
-       `(("wmctrl" ,wmctrl)))
-      (home-page "https://github.com/flexibeast/ewmctrl")
-      (synopsis "Emacs interface to @code{wmctrl}")
-      (description "@code{ewmctrl} provides an Emacs interface to
-@code{wmctrl} command-line window-management program.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-gtags
-  (package
-    (name "emacs-helm-gtags")
-    (version "1.5.6")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/syohex/emacs-helm-gtags/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1a10snhg6nnnan6w9a7mcziy26vxbsr3c35i0gcarnkdp2yqng36"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-helm" ,emacs-helm)))
-    (home-page "https://github.com/syohex/emacs-helm-gtags")
-    (synopsis "Emacs Helm interface to GNU Global")
-    (description
-     "@code{emacs-helm-gtags} provides a Emacs Helm interface to GNU Global.")
-    (license license:gpl3+)))
-
-(define-public emacs-list-utils
-  (package
-    (name "emacs-list-utils")
-    (version "0.4.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/rolandwalker/list-utils/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1xc1xh8c82h5gdjbgpdsdclgwxkxbb7h3x3a2bscpm41g8pnan4p"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/rolandwalker/list-utils")
-    (synopsis "List-manipulation utility functions")
-    (description "This package provides a list manipulation library for Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-move-text
-  (package
-    (name "emacs-move-text")
-    (version "2.0.8")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/emacsfodder/move-text/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1sjfja9r25692pgcldgnjzkapzy970m14jh9l4pajysiqcdk72g0"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/emacsfodder/move-text")
-    (synopsis "Move current line or region with M-up or M-down")
-    (description "This package provide functions to move the current line
-using @kbd{M-up} or @kbd{M-down} if a region is marked, it will move the
-region instead.")
-    (license license:gpl3+)))
-
-(define-public emacs-validate
-  (package
-    (name "emacs-validate")
-    (version "1.0.5")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/Malabarba/validate.el"
-                                  "/archive/" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "125mbd111f1h1baw0z3fzm48y1bvaigljyzvvnqgrn0shxbj0khg"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Malabarba/validate.el")
-    (synopsis "Emacs library for scheme validation")
-    (description "This Emacs library provides two functions that perform
-schema validation.")
-    (license license:gpl3+)))
-
-(define-public emacs-rainbow-blocks
-  (let ((commit "dd435d7bb34ff6f162a5f315df308b90b7e9f842"))
-    (package
-      (name "emacs-rainbow-blocks")
-      (version (git-version "1.0.0" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/istib/rainbow-blocks.git")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "06yfb3i7wzvqrhkb61zib9xvpb5i00s4frizkzff66im05k0n795"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/istib/rainbow-blocks")
-      (synopsis "Highlight sexp blocks")
-      (description "Rainbow-blocks is an Emacs mode that highlights blocks
-made of parentheses, brackets, and braces according to their depth.  Each
-successive level is highlighted in a different color.  This makes it easy to
-orient yourself in the code, and tell which statements are at a given level.")
-      (license license:gpl3+))))
-
-(define-public emacs-hierarchy
-  (package
-    (name "emacs-hierarchy")
-    (version "0.7.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/DamienCassou/hierarchy/archive/"
-             "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1a463v5zk6zis2p8cs4mads3iyxh266yahi6j6y0paggfl2yhkc8"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/DamienCassou/hierarchy")
-    (synopsis "Library to create and display hierarchy structures")
-    (description "This package provides an Emacs library to create, query,
-navigate and display hierarchy structures.")
-    (license license:gpl3+)))
-
-(define-public emacs-tree-mode
-  (let ((commit "b06078826d5875d74b0e7b7ac47b0d0917610534")
-        (revision "1"))
-    (package
-      (name "emacs-tree-mode")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacsorphanage/tree-mode.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "13bbdhdmqg4x9yghanhr8fsbsxbnypzxdxgicz31sjjm675kpnix"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/emacsorphanage/tree-mode")
-      (synopsis "Emacs mode to manage tree widgets")
-      (description
-       "This package provides an Emacs library to manage tree widgets.")
-      (license license:gpl3+))))
-
-(define-public emacs-md4rd
-  (let ((commit "c55512c2f7680db2a1e73db6bdf93adecaf40fec")
-        (revision "1"))
-    (package
-      (name "emacs-md4rd")
-      (version (string-append "0.0.2" "-" revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/ahungry/md4rd.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "0mvv1mvsrpkrmikcpfqf2zbawnzgq33j6zjdrlv48mcw57xb2ak9"))))
-      (propagated-inputs
-       `(("emacs-hierarchy" ,emacs-hierarchy)
-         ("emacs-request" ,emacs-request)
-         ("emacs-dash" ,emacs-dash)
-         ("emacs-s" ,emacs-s)
-         ("emacs-tree-mode" ,emacs-tree-mode)))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/ahungry/md4rd")
-      (synopsis "Emacs Mode for Reddit")
-      (description
-       "This package allows to read Reddit from within Emacs interactively.")
-      (license license:gpl3+))))
-
-(define-public emacs-pulseaudio-control
-  (let ((commit "1da372ec79f5d2fb901d1f9f0679fee8848fd011")
-        (revision "2"))
-    (package
-      (name "emacs-pulseaudio-control")
-      (version (git-version "0.0.1" revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/flexibeast/pulseaudio-control.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "02xrsms2pjqdk6327midi61i5vg2h9cq5jwaxv43ldm68wl7hi6k"))))
-      (build-system emacs-build-system)
-      (arguments
-       '(#:phases (modify-phases %standard-phases
-                    (add-after 'unpack 'patch-file-name
-                      (lambda* (#:key inputs #:allow-other-keys)
-                        (let ((pulseaudio (assoc-ref inputs "pulseaudio")))
-                          (chmod "pulseaudio-control.el" #o600)
-                          (emacs-substitute-variables "pulseaudio-control.el"
-                            ("pulseaudio-control-pactl-path"
-                             (string-append pulseaudio "/bin/pactl")))
-                          #t))))))
-      (inputs `(("pulseaudio" ,pulseaudio)))
-      (home-page "https://github.com/flexibeast/pulseaudio-control")
-      (synopsis "Control @code{pulseaudio} from Emacs")
-      (description
-       "This package allows to control @code{pulseaudio} from Emacs.")
-      (license license:gpl3+))))
-
-(define-public emacs-datetime
-  (package
-    (name "emacs-datetime")
-    (version "0.3")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/doublep/datetime/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "12wqpj67rjij2ki7nmw38rz3k2bsq68pk6zswknlcn9qhp1zd9w9"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/doublep/datetime/")
-    (synopsis "Library to work with dates in Emacs")
-    (description "Parsing, formatting, matching and recoding
-timestamps and date-time format strings library for Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-mind-map
-  (let ((commit "9d6e262bedd94daf9de269f4d56de277275677cb")
-        (revision "1"))
-    (package
-      (name "emacs-org-mind-map")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/theodorewiles/org-mind-map.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0jgkkgq7g64zckrmjib0hvz0qy3ynz5vz13qbmlpf096l3bb65wn"))))
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/theodorewiles/org-mind-map")
-      (synopsis "Create Graphviz directed graphs from Org files")
-      (description
-       "This package creates Graphviz directed graphs from Org files.")
-      (license license:gpl3+))))
-
-(define-public emacs-npm-mode
-  (package
-    (name "emacs-npm-mode")
-    (version "0.6.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/mojochao/npm-mode/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1kq1ww22dwf8c2i2b4z2ldbbmnihj65kb7n5vzvwkch9h4hxpqh5"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/mojochao/npm-mode")
-    (synopsis "Minor mode for working with @code{npm} projects")
-    (description
-     "@code{npm-mode} provides a minor mode to work with @code{npm} projects.")
-    (license license:gpl3+)))
-
-(define-public emacs-seq
-  (package
-    (name "emacs-seq")
-    (version "2.20")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "http://elpa.gnu.org/packages/seq-" version ".tar"))
-       (sha256
-        (base32
-         "0vrpx6nnyjb0gsypknzagimlhvcvi5y1rcdkpxyqr42415zr8d0n"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/seq.html")
-    (synopsis "Sequence manipulation functions")
-    (description "Sequence-manipulation functions that complement basic
-functions provided by @file{subr.el}.")
-    (license license:gpl3+)))
-
-(define-public emacs-itail
-  (let ((commit "6e43c20da03be3b9c6ece93b7dc3495975ec1888")
-        (revision "1"))
-    (package
-      (name "emacs-itail")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/re5et/itail.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "044nzxh1hq41faxw3lix0wy78vfz304pjcaa5a11dqfz7q3gx5cv"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/re5et/itail")
-      (synopsis "Interactive @code{tail} Emacs mode")
-      (description "@code{itail} provides interactive @code{tail} mode
-that allows you to filter the tail with unix pipes and highlight the
-contents of the tailed file.  Works locally or on remote files using
-tramp.")
-      (license license:gpl3+))))
-
-(define-public emacs-loop
-  (package
-    (name "emacs-loop")
-    (version "1.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Wilfred/loop.el/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1z3rhh3zyjabz36410yz0lp4a0qwwj0387as662wvx3z9y54jia9"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Wilfred/loop.el")
-    (synopsis "Imperative loop structures for Emacs")
-    (description "Loop structures familiar to users of other languages.  This
-library adds a selection of popular loop structures as well as break and
-continue.")
-    (license license:gpl3+)))
-
-(define-public emacs-elisp-refs
-  (package
-    (name "emacs-elisp-refs")
-    (version "1.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Wilfred/elisp-refs/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "02nzcn3v14n7mp7q32j5r4wdlpsw3zixzh6cf0cdyarfir6dly3p"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-f" ,emacs-f)
-       ("emacs-list-utils" ,emacs-list-utils)
-       ("emacs-loop" ,emacs-loop)
-       ("emacs-s" ,emacs-s)
-       ("emacs-shut-up" ,emacs-shut-up)))
-    (home-page "https://github.com/Wilfred/elisp-refs")
-    (synopsis "Find callers of elisp functions or macros")
-    (description "Find references to functions, macros or variables.  Unlike a
-dumb text search, @code{elisp-refs} actually parses the code, so it's never
-confused by comments or @code{foo-bar} matching @code{foo}.")
-    (license license:gpl3+)))
-
-(define-public emacs-crux
-  (let ((commit "4f5c8fefd5a6aa52e128c4a0401cc86410d6ac8f")
-        (revision "1"))
-    (package
-      (name "emacs-crux")
-      (version (string-append "0.3.0" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/bbatsov/crux.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1fdxvv25cs01sg6fmvmzxpzvs50i6v8n2jya60lbavxqqhi0sbxd"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/bbatsov/crux")
-      (synopsis "Collection of useful functions for Emacs")
-      (description
-       "@code{crux} provides a collection of useful functions for Emacs.")
-      (license license:gpl3+))))
-
-(define-public emacs-edit-server
-  (package
-    (name "emacs-edit-server")
-    (version "1.13")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/stsquad/emacs_chrome/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1r92kqggslqasza718z4ka883mqfbnibdm43f0j9gaipk0msm2wf"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'chdir-elisp
-           ;; Elisp directory is not in root of the source.
-           (lambda _
-             (chdir "servers"))))))
-    (home-page "https://github.com/stsquad/emacs_chrome")
-    (synopsis "Server that responds to edit requests from Chromium")
-    (description
-     "This package provides an edit server to respond to requests from Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-m-buffer-el
-  (package
-    (name "emacs-m-buffer-el")
-    (version "0.15")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/phillord/m-buffer-el"
-                           "/archive/" "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "17vdcc8q37q9db98jyww1c0ivinmwfcw4l04zccfacalra63a214"))))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'install 'check
-           (lambda* (#:key inputs #:allow-other-keys)
-             (invoke "emacs" "--batch" "-L" "."
-                     "-l" "test/m-buffer-test.el"
-                     "-l" "test/m-buffer-at-test.el"
-                     "-f" "ert-run-tests-batch-and-exit"))))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/phillord/m-buffer-el")
-    (synopsis "List oriented buffer operations for Emacs")
-    (description "@code{m-buffer} provides a set of list-orientated functions
-for operating over the contents of Emacs buffers.")
-    (license license:gpl3+)))
-
-(define-public emacs-let-alist
-  (package
-    (name "emacs-let-alist")
-    (version "1.0.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://elpa.gnu.org/packages/let-alist-" version ".el"))
-       (sha256
-        (base32
-         "0r7b9jni50la1m79kklml11syg8d2fmdlr83pv005sv1wh02jszw"))))
-    (build-system emacs-build-system)
-    (home-page "https://elpa.gnu.org/packages/let-alist.html")
-    (synopsis "Easily let-bind values of an assoc-list by their names")
-    (description "This package offers a single macro, @code{let-alist}.  This
-macro takes a first argument (whose value must be an alist) and a body.")
-    (license license:gpl3+)))
-
-(define-public emacs-esup
-  (let ((commit "a589005a9a888537deef94d6fe38a9b8790c97c7")
-        (revision "1"))
-    (package
-      (name "emacs-esup")
-      (version (string-append "0.6" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/jschaf/esup.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "04lxmd0h7mfjjl0qghrycgff0vcv950j1wqv0dbkr61jxp64n5fv"))))
-      ;; TODO: Add tests
-      (build-system emacs-build-system)
-      (home-page "https://github.com/jschaf/esup")
-      (synopsis "Emacs start up profiler")
-      (description "Benchmark Emacs Startup time without ever leaving
-your Emacs.")
-      (license license:gpl2+))))
-
-(define-public emacs-sourcemap
-  (package
-    (name "emacs-sourcemap")
-    (version "0.03")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/syohex/emacs-sourcemap/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0bmd5l3cx2iyl7vxn84xdhs80b07kpdpfwki28lh5d0kmm5qs6m6"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/syohex/emacs-sourcemap")
-    (synopsis "Sourcemap parser")
-    (description "Sourcemap parser")
-    (license license:gpl3+)))
-
-(define-public emacs-macrostep
-  (let ((commit "424e3734a1ee526a1bd7b5c3cd1d3ef19d184267"))
-    (package
-      (name "emacs-macrostep")
-      (version (git-version "0.9" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/joddie/macrostep.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "1fm40mxdn289cyzgw992223dgrjmwxn4q8svyyxfaxjrpb38jhjz"))))
-      (build-system emacs-build-system)
-      (arguments
-       '(#:phases
-         (modify-phases %standard-phases
-           (add-before 'check 'remove-test
-             ;; Fails because of requirement ‘/bin/sh’.
-             (lambda _
-               (let ((file "macrostep-test.el"))
-                 (chmod file #o644)
-                 (emacs-batch-edit-file file
-                   `(progn (progn (goto-char (point-min))
-                                  (re-search-forward
-                                   "(ert-deftest macrostep-expand-c-macros")
-                                  (beginning-of-line)
-                                  (kill-sexp))
-                           (basic-save-buffer))))))
-           (add-before 'install 'check
-             (lambda _
-               (invoke "emacs" "--batch" "-L" "."
-                       "-l" "macrostep-test.el"
-                       "-f" "ert-run-tests-batch-and-exit"))))))
-      (home-page "https://github.com/joddie/macrostep")
-      (synopsis "Interactive macro-expander for Emacs")
-      (description "@code{macrostep} is an Emacs minor mode for interactively
-stepping through the expansion of macros in Emacs Lisp source code.  It lets
-you see exactly what happens at each step of the expansion process by
-pretty-printing the expanded forms inline in the source buffer, which is
-temporarily read-only while macro expansions are visible.  You can expand and
-collapse macro forms one step at a time, and evaluate or instrument the
-expansions for debugging with Edebug as normal (but see “Bugs and known
-limitations”, below).  Single-stepping through the expansion is particularly
-useful for debugging macros that expand into another macro form.  These can be
-difficult to debug with Emacs’ built-in macroexpand, which continues expansion
-until the top-level form is no longer a macro call.")
-      (license license:gpl3+))))
-
-(define-public emacs-parent-mode
-  (package
-    (name "emacs-parent-mode")
-    (version "2.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Fanael/parent-mode/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0gxbl5s1w96v6v55b7aaansgw4sxhzfx9nrsvpk3pfhsibs6yqjd"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Fanael/parent-mode")
-    (synopsis "Get major mode's parent modes")
-    (description "Get major mode's parent modes")
-    (license license:gpl3+)))
-
-(define-public emacs-lacarte
-  (package
-    (name "emacs-lacarte")
-    (version "0.1")
-    (source (origin
-              (method url-fetch)
-              (uri "https://www.emacswiki.org/emacs/download/lacarte.el")
-              (sha256
-               (base32
-                "1sbmk37ljq5j7dsw5c37sbxvlfgdqswh7bi4dknyjzfxlq50f4am"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/lacarte.el")
-    (synopsis "Execute menu items as commands, with completion")
-    (description "Execute menu items as commands, with completion.")
-    (license license:gpl3)))
-
-(define-public emacs-company-lua
-  (let ((commit "0be8122f3adf57ad27953bf4b03545d6298d3da4"))
-    (package
-      (name "emacs-company-lua")
-      (version (git-version "0.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/ptrv/company-lua.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "1d9i165apgmwns7b2fd5wcpjpkah3dyj20v5sb8ynvz6qhhr5r9c"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-company" ,emacs-company)
-         ("emacs-s" ,emacs-s)
-         ("emacs-f" ,emacs-f)
-         ("emacs-lua-mode" ,emacs-lua-mode)))
-      (home-page "https://github.com/ptrv/company-lua")
-      (synopsis "Company backend for Lua")
-      (description
-       "This package provides Company backend for Lua programming language.")
-      (license license:gpl3+))))
-
-(define-public emacs-beginend
-  (package
-    (name "emacs-beginend")
-    (version "2.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/DamienCassou/beginend/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0z4rbwffh9vxfvcrlvym4p73z7gf72q0b5iv33llbpcpbijknnrq"))))
-    ;; TODO: Run tests.
-    (build-system emacs-build-system)
-    (inputs
-     `(("emacs-undercover" ,emacs-undercover))) ; For tests.
-    (home-page "https://github.com/DamienCassou/beginend")
-    (synopsis "Redefine @code{M-<} and @code{M->} for Emacs modes")
-    (description "@code{beginend} redefines @code{M-<} and @code{M->}
-keybindings for Emacs modes so that point moves to meaningful
-locations.  Redefined keys are still accessible by pressing the same
-key again.")
-    (license license:gpl3+)))
-
-(define-public emacs-mbsync
-  (let ((commit "42077e83ae2db778ce0f8e22f8357b40355526b3")
-        (revision "1"))
-    (package
-      (name "emacs-mbsync")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/dimitri/mbsync-el.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0yj93y2mpxlir8x73znlg1slxlv4blm1vjv5h2w3j8lxg8bxvmn6"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/dimitri/mbsync-el")
-      (synopsis "Interface to mbsync for Emacs")
-      (description "This package allows to call the @code{mbsync} from
-within Emacs.")
-      (license license:gpl3+))))
-
-(define-public emacs-ibuffer-projectile
-  (let ((commit "c18ac540ee46cb759fc5df18747f6e8d23563011")
-        (revision "1"))
-    (package
-      (name "emacs-ibuffer-projectile")
-      (version (string-append "0.2" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/purcell/ibuffer-projectile.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1nd26cwwdpnwj0g4w393rd59klpyr6wqrnyr6scmwb5d06bsm44n"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-projectile" ,emacs-projectile)))
-      (home-page "https://github.com/purcell/ibuffer-projectile")
-      (synopsis "Group ibuffer's list by projectile root")
-      (description "Adds functionality to Emacs @code{ibuffer} for
-grouping buffers by their projectile root directory.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-mode-manager
-  (package
-    (name "emacs-helm-mode-manager")
-    (version "1.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/istib/helm-mode-manager/"
-                           "archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0wllj321z16hgrx0ddwzk5wz4mnnx5am7w5nclqclfc5dfdn92wm"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-helm" ,emacs-helm)))
-    (home-page "https://github.com/istib/helm-mode-manager/")
-    (synopsis "Switch and toggle Emacs major and minor modes using Helm")
-    (description "This package provides a Helm interface for toggling Emacs
-major or minor mode.
-
-@itemize
-@item @code{helm-switch-major-mode} list of all major modes
-@item @code{helm-enable-minor-mode} list of all inactive minor modes
-@item @code{helm-disable-minor-mode} list of all ACTIVE minor modes
-@end itemize\n
-
-Hitting @code{RET} enables the mode, @code{C-z} shows the mode
-documentation.")
-    (license license:gpl3+)))
-
-(define-public emacs-hy-mode
-  (package
-    (name "emacs-hy-mode")
-    (version "1.0.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/hylang/hy-mode/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0b4pvbr2hf77bq2vsyfsv653q0dab7qzq85wc7kdziw7687jdf2z"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-s" ,emacs-s)))
-    (home-page "https://github.com/hylang/hy-mode")
-    (synopsis "Major mode for Hylang")
-    (description "This package provides a major mode for Hylang.")
-    (license license:gpl3+)))
-
-(define-public emacs-web-beautify
-  (package
-    (name "emacs-web-beautify")
-    (version "0.3.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/yasuyk/web-beautify/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1j57hwid74id4swkx2g0iljfawx0k9c7qjrwqc0mv657x9p78hcs"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/yasuyk/web-beautify")
-    (synopsis "Format HTML, CSS and JavaScript, JSON")
-    (description "This package provides an Emacs functions to format HTML,
-CSS, JavaScript, JSON.")
-    (license license:gpl3+)))
-
-(define-public emacs-helm-shell-history
-  (let ((commit "110d3c35c52fe4b89b29e79ea4c8626bce7266a1"))
-    (package
-      (name "emacs-helm-shell-history")
-      (version (git-version "0.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/yuutayamada/helm-shell-history.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "18fkjcz69g4dyaxhf9j8svr5x6dhsdnglddwisis8hdn504scpfj"))))
-      (build-system emacs-build-system)
-      (arguments
-       '(#:phases
-         (modify-phases %standard-phases
-           (add-before 'check 'patch-helm-shell-history-file
-             (lambda _
-               (let ((file "helm-shell-history.el"))
-                 (chmod file #o644)
-                 (emacs-substitute-sexps file
-                   ("(defvar helm-shell-history-file"
-                    `(expand-file-name "~/.bash_history"))))
-               #t)))))
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)))
-      (home-page "https://github.com/yuutayamada/helm-shell-history")
-      (synopsis "Find shell history with Emacs Helm")
-      (description "This package provides an Emacs Helm interface to search
-throw a shell history.")
-      (license license:gpl3+))))
-
-(define-public emacs-discover-my-major
-  (package
-    (name "emacs-discover-my-major")
-    (version "1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri
-        (string-append "https://github.com/steckerhalter/discover-my-major"
-                       "/archive/" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0nah41f92rrl2l405kpqr6iaks11jyclgl4z7ilfymbr4ifmsiyl"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-makey" ,emacs-makey)))
-    (home-page "https://github.com/steckerhalter/discover-my-major")
-    (synopsis "Discover key bindings for the current Emacs major mode")
-    (description "This package provides allows to discover key bindings and
-their meaning for the current Emacs major-mode.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-ref
-  (let ((commit "8c9b5d7efb9f0c1ad5186b8203bdd017f4249129")
-        (revision "1"))
-    (package
-      (name "emacs-org-ref")
-      (version (string-append "1.1.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/jkitchin/org-ref.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1rxz0bjdsayk0slv23i07d9xhj2m7s4hsc81wc2d1cs52dkr5zmz"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)
-         ("emacs-helm" ,emacs-helm)
-         ("emacs-helm-bibtex" ,emacs-helm-bibtex)
-         ("emacs-ivy" ,emacs-ivy)
-         ("emacs-hydra" ,emacs-hydra)
-         ("emacs-key-chord" ,emacs-key-chord)
-         ("emacs-s" ,emacs-s)
-         ("emacs-f" ,emacs-f)
-         ("emacs-pdf-tools" ,emacs-pdf-tools)))
-      (home-page "https://github.com/jkitchin/org-ref")
-      (synopsis "Citations, cross-references and bibliographies in org-mode")
-      (description
-       "Lisp code to setup bibliography, cite, ref and label org-mode links.
-Also sets up reftex and helm for org-mode citations.  The links are
-clickable and do things that are useful.
-
-The default setup uses helm-bibtex.
-
-You should really read org-ref.org in this package for details.")
-      (license license:gpl3+))))
-
-(define-public emacs-org-reveal
-  (package
-    (name "emacs-org-reveal")
-    ;; There are no proper tag, so we use the latest commit of the stable
-    ;; branch, as does MELPA.
-    (version "20161027.926")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/yjwen/org-reveal.git")
-                    (commit "001567cc12d50ba07612edd1718b86a12e8c2547")))
-              (file-name (string-append name "-" version "-checkout"))
-              (sha256
-               (base32
-                "18rma8smjrskbjyna076zhvx79zs5r5vinb537h8mw13pfxd6cm8"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/yjwen/org-reveal")
-    (synopsis "Org and Reveal.js powered HTML presentation tool")
-    (description "Org-Reveal is a command@{org-mode} extension that allows to
-create beautiful presentations (slides) with 3D effects from simple but
-powerful Org contents.")
-    (license license:gpl3+)))
-
-(define-public emacs-add-hooks
-  (package
-    (name "emacs-add-hooks")
-    (version "3.1.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/nickmccurdy/add-hooks/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "03a28gb3298g7pc2qji9hi44p4d99ljp5mpi9cmg42ldv8fl6549"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/nickmccurdy/add-hooks/")
-    (synopsis "Emacs function for setting multiple hooks")
-    (description "This package provides a @code{add-hooks} function tidies up
-duplicate hook and function names further into a single declarative call.")
-    (license license:gpl3+)))
-
-(define-public emacs-fancy-narrow
-  (package
-    (name "emacs-fancy-narrow")
-    (version "0.9.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Malabarba/fancy-narrow/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0rf2rnzg82pdqch041yyx3f9ddixffkk9s2ydzg8hwy66sg3385n"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Malabarba/fancy-narrow/releases")
-    (synopsis "Imitate @code{narrow-to-region} with more eye candy")
-    (description
-     "Unlike @code{narrow-to-region}, which completely hides text outside
-the narrowed region, this package simply de-emphasizes the text, makes it
-read-only, and makes it unreachable.  This leads to a much more natural
-feeling where the region stays static (instead of being brutally moved to a
-blank slate) and is clearly highlighted with respect to the rest of the
-buffer.")
-    (license license:gpl2+)))
-
-(define-public emacs-know-your-http-well
-  (package
-    (name "emacs-know-your-http-well")
-    (version "0.5.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/for-GET/know-your-http-well/archive/"
-             "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1y3kwz88awcgwaivlswq0q4g2i02762r23lpwg61bfqy5lrjjqnj"))))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'install-json-files
-           (lambda* (#:key outputs #:allow-other-keys)
-             (for-each (lambda (directory)
-                         (copy-recursively directory
-                                           (string-append
-                                            (assoc-ref outputs "out")
-                                            directory)))
-                       '("js" "json"))))
-         (add-after 'unpack 'chdir-elisp
-           ;; Elisp directory is not in root of the source.
-           (lambda _
-             (chdir "emacs"))))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/for-GET/know-your-http-well")
-    (synopsis "Meaning of HTTP headers codes")
-    (description "Meaning of HTTP headers codes.")
-    (license license:gpl3+)))
-
-(define-public emacs-navi-mode
-  (let ((commit "c1d38e8237f4e14af020a0b7d4f118ea198ab674"))
-    (package
-      (name "emacs-navi-mode")
-      (version (git-version "2.0" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/alphapapa/navi.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0jj5spk14hgb7zb1cd2n8whcw4k1kd5zb6llwj96v178yaws7l8k"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-outshine" ,emacs-outshine)
-         ("emacs-outorg" ,emacs-outorg)))
-      (home-page "https://github.com/alphapapa/navi")
-      (synopsis "Emacs major-mode for easy buffer-navigation")
-      (description
-       "This package provides an Emacs major-mode for easy buffer-navigation")
-      (license license:gpl3+))))
-
-(define-public emacs-download-region
-  (let ((commit "eb9e557529a73b4cfc8281c70dd0d95db333fffa")
-        (revision "1"))
-    (package
-      (name "emacs-download-region")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/zk-phi/download-region.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0v52djg39b6k2snizd9x0qc009ws5y0ywqsfwhqgcbs5ymzh7dsc"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/zk-phi/download-region")
-      (synopsis "In buffer download manager for Emacs")
-      (description "@code{download-region} provides in buffer
-downloading manager for Emacs.")
-      (license license:gpl3+))))
-
-(define-public emacs-helpful
-  (package
-    (name "emacs-helpful")
-    (version "0.15")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/Wilfred/helpful/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1xmvhphzb4hbg647dz4lafy6hd19b7bk3lxni6irqrzdsrclhzn6"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-elisp-refs" ,emacs-elisp-refs)))
-    (home-page "https://github.com/Wilfred/helpful")
-    (synopsis "More contextual information in Emacs help")
-    (description "@code{helpful} is an alternative to the built-in Emacs help
-that provides much more contextual information.
-
-@itemize
-@item Show the source code for interactively defined functions (unlike the
-built-in Help).
-@item Fall back to the raw sexp if no source is available.
-@item Show where a function is being called.
-@item Docstrings will Highlight the summary (the first sentence), include
-cross-references, hide superfluous puncuation.
-@item Show you the properties that have been applied to the current
-symbol.  This provides visibility of features like edebug or byte-code
-optimisation.
-@item Provide a separate @code{helpful-command} function to view interactive
-functions.
-@item Display any keybindings that apply to interactive functions.
-@item Trace, disassemble functions from inside Helpful.  This is discoverable
-and doesn't require memorisation of commands.
-@end itemize\n")
-    (license license:gpl3+)))
-
-(define-public emacs-logview
-  (package
-    (name "emacs-logview")
-    (version "0.9")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/doublep/logview/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1vd11ppm46ldqsiwhqgw91p34gbjh1y82r9mxcn9r2gj65nvhxcp"))))
-    (propagated-inputs
-     `(("emacs-datetime" ,emacs-datetime)))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/doublep/logview/")
-    (synopsis "Emacs mode for viewing log files")
-    (description "@code{logview} provides an Emacs mode to view log files.")
-    (license license:gpl3+)))
-
-(define-public emacs-suggest
-  (package
-    (name "emacs-suggest")
-    (version "0.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Wilfred/suggest.el/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1760fm3j19w8xxcawq6s859h86q1rdg69pg9yz48n76kwfk3vlgp"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-loop" ,emacs-loop)
-       ("emacs-dash" ,emacs-dash)
-       ("emacs-s" ,emacs-s)
-       ("emacs-f" ,emacs-f)))
-    (home-page "https://github.com/Wilfred/suggest.el")
-    (synopsis "Suggest Elisp functions that give the output requested")
-    (description "Suggest.el will find functions that give the output
-requested.  It's a great way of exploring list, string and arithmetic
-functions.")
-    (license license:gpl3+)))
-
-(define-public emacs-benchmark-init
-  (package
-    (name "emacs-benchmark-init")
-    (version "1.0")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append
-                    "https://github.com/dholm/benchmark-init-el/archive/"
-                    version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "0szyqr4nncwz4vd5gww1vz31kf9r2lx25p4d0d09pm35974x53kz"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/dholm/benchmark-init-el")
-    (synopsis "Benchmark Emacs @code{require} and @code{load} calls")
-    (description "@code{benchmark-init} provides a way to keep track of where
-time is being spent during Emacs startup in order to optimize startup time.")
-    (license license:gpl3+)))
-
-(define-public emacs-emms-player-simple-mpv
-  ;; A new mpv backend is included in Emms from 5.0.
-  (deprecated-package "emacs-emms-player-simple-mpv" emacs-emms))
-
-(define-public emacs-magit-org-todos-el
-  (let ((commit "df206287737b9671f2e36ae7b1474ebbe9940d2a"))
-    (package
-      (name "emacs-magit-org-todos-el")
-      (version (git-version "0.1.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/danielma/magit-org-todos.el.git")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0kdp7k7jnnrkhsg0xh1c3h7iz0vgi120gf5xwl1hxy61avivnxrn"))))
-      (propagated-inputs
-       `(("magit" ,emacs-magit)))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/danielma/magit-org-todos.el")
-      (synopsis "Get todo.org into Emacs Magit status")
-      (description "This package allows you to get @file{todo.org} into your
-magit status.
-
-If you have a @file{todo.org} file with @code{TODO} items in the root of your
-repository, @code{magit-org-todos} will create a section in your Magit status
-buffer with each of your todos.")
-      (license license:gpl3+))))
-
-(define-public emacs-f3
-  (package
-    (name "emacs-f3")
-    (version "0.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/cosmicexplorer/f3/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "06b8i1jvklm5k3k90n65f197l1miq1xlxqkqpbppw4h3rhl4y98h"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-helm" ,emacs-helm)))
-    (home-page "https://github.com/cosmicexplorer/f3")
-    (synopsis "Fantastic File Finder for Emacs")
-    (description
-     "The Fantastic File Finder for Emacs.  Find files fast, using helm.")
-    (license license:gpl3+)))
-
-(define-public emacs-lice-el
-  (let ((commit "4339929927c62bd636f89bb39ea999d18d269250"))
-    (package
-      (name "emacs-lice-el")
-      (version (git-version "0.2" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/buzztaiki/lice-el.git")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "0879z761b7gajkhq176ps745xpdrivch349crransv8fnsc759yb"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/buzztaiki/lice-el")
-      (synopsis "License and header template for Emacs")
-      (description "@code{lice.el} provides following features:
-
-@itemize
-@item License template management.
-@item File header insertion.
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-academic-phrases
-  (let ((commit "0823ed8c24b26c32f909b896a469833ec4d7b656"))
-    (package
-      (name "emacs-academic-phrases")
-      (version (git-version "0.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/nashamri/academic-phrases.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0qfzsq8jh05w4zkr0cvq3i1hdn97bq344vcqjg46sib26x3wpz6r"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)
-         ("emacs-s" ,emacs-s)
-         ("emacs-ht" ,emacs-ht)))
-      (home-page "https://github.com/nashamri/academic-phrases")
-      (synopsis "Bypass that mental block when writing your papers")
-      (description
-       "When writing your academic paper, you might get stuck trying to find
-the right phrase that captures your intention.  This package tries to
-alleviate that problem by presenting you with a list of phrases organized by
-the topic or by the paper section that you are writing.  This package has
-around 600 phrases so far.
-
-Using this package is easy, just call @code{academic-phrases} to get a list of
-phrases organized by topic, or call @code{academic-phrases-by-section} to
-browse the phrases by the paper section and fill-in the blanks if required.")
-      (license license:gpl3+))))
-
-(define-public emacs-auto-yasnippet
-  (let ((commit "d1ccfea87312c6dd8cf8501ab5b71b1d3d44d95b"))
-    (package
-      (name "emacs-auto-yasnippet")
-      (version (git-version "0.3.0" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/abo-abo/auto-yasnippet.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "1i8k2qiyzd5rq0zplk4xb5nfa5mp0ibxbzwqj6c7877waq7244xk"))))
-      (build-system emacs-build-system)
-      (arguments
-       '(#:phases
-         (modify-phases %standard-phases
-           (add-before 'install 'check
-             (lambda _
-               (invoke "emacs" "--batch"
-                       "-l" "auto-yasnippet.el"
-                       "-l" "auto-yasnippet-test.el"
-                       "-f" "ert-run-tests-batch-and-exit"))))))
-      (propagated-inputs
-       `(("emacs-yasnippet" ,emacs-yasnippet)))
-      (home-page "https://github.com/abo-abo/auto-yasnippet/")
-      (synopsis "Quickly create disposable yasnippets")
-      (description "This package provides a hybrid of keyboard macros and
-yasnippet.  You create the snippet on the go, usually to be used just in the
-one place.  It's fast, because you're not leaving the current buffer, and all
-you do is enter the code you'd enter anyway, just placing ~ where you'd like
-yasnippet fields and mirrors to be.")
-      (license license:gpl3+))))
-
-(define-public emacs-highlight-numbers
-  (package
-    (name "emacs-highlight-numbers")
-    (version "0.2.3")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/Fanael/highlight-numbers/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "030v5p11d4n0581ncv499l1fqrmfziy756q6378x2bv22ixghqqp"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-parent-mode" ,emacs-parent-mode)))
-    (home-page "https://github.com/Fanael/highlight-numbers")
-    (synopsis "Highlight numbers in source code")
-    (description "@code{highlight-numbers-mode} provides a minor mode for
-syntax highlighting of numeric literals in source code.
-
-It s customizable: it's easy to add or redefine what exactly consitutes a
-\"number\" in given major mode.  See @code{highlight-numbers-modelist}.")
-    (license license:gpl3+)))
-
-(define-public emacs-darkroom
-  (package
-    (name "emacs-darkroom")
-    (version "0.1")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://elpa.gnu.org/packages/darkroom-"
-                                  version ".el"))
-              (sha256
-               (base32
-                "0fif8fm1h7x7g16949shfnaik5f5488clsvkf8bi5izpqp3vi6ak"))))
-    (build-system emacs-build-system)
-    (home-page "https://elpa.gnu.org/packages/darkroom.html")
-    (synopsis "Remove visual distractions and focus on writing")
-    (description "@code{darkroom-mode} makes visual distractions disappear.
-The mode-line is temporarily elided, text is enlarged and margins are adjusted
-so that it's centered on the window.
-
-@code{darkroom-tentative-mode} is similar, but it doesn't immediately turn-on
-@code{darkroom-mode}, unless the current buffer lives in the sole window of
-the Emacs frame (i.e. all other windows are deleted).  Whenever the frame is
-split to display more windows and more buffers, the buffer exits
-@code{darkroom-mode}.  Whenever they are deleted, the buffer re-enters
-@code{darkroom-mode}.")
-    (license license:gpl3+)))
-
-(define-public emacs-rsw-elisp
-  (package
-    (name "emacs-rsw-elisp")
-    (version "1.0.5")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/rswgnu/rsw-elisp"
-                                  "/archive/" version ".tar.gz"))
-              (file-name (string-append name "-" version ".tar.gz"))
-              (sha256
-               (base32
-                "1jnn7xfwl3wxc87v44ccsf1wwp80par3xgcvfb1icd6zchjmlcps"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/rswgnu/rsw-elisp")
-    (synopsis "Improved expressions that interactively evaluate Emacs Lisp")
-    (description "This package improves and replaces the GNU Emacs commands
-that interactively evaluate Emacs Lisp expressions.  The new commands replace
-standard key bindings and are all prefixed with @code{rsw-elisp-}.  They work
-the same way as the old commands when called non-interactively; only the
-interactive behavior should be different.")
-    (license license:gpl3+)))
-
-(define-public emacs-default-text-scale
-  (let ((commit "968e985e219235f3e744d6d967e592acbaf6e0a8")
-        (revision "1"))
-    (package
-      (name "emacs-default-text-scale")
-      (version (string-append "0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/purcell/default-text-scale")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "0zds01c3q5yny6ab1fxfkzzgn1kgl3q23lxxap905f4qd70v922h"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/purcell/default-text-scale")
-      (synopsis "Adjust the font size in all Emacs frames")
-      (description "This package provides commands for increasing or
-decreasing the default font size in all GUI Emacs frames.")
-      (license license:gpl3+))))
-
-(define-public emacs-visual-regexp
-  (package
-    (name "emacs-visual-regexp")
-    (version "1.1.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/benma/visual-regexp.el/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1czmhvcivlcdyz7rfm0vd4a3xsgmy4qbvbl6yjxc217wrxqflr92"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/benma/visual-regexp.el/")
-    (synopsis "Regexp command with interactive visual feedback")
-    (description "This package provides an Emacs regexp command with
-interactive visual feedback.")
-    (license license:gpl3+)))
-
-(define-public emacs-faceup
-  (let ((commit "6c92dad56a133e14e7b27831e1bcf9b3a71ff154")
-        (revision "1"))
-    (package
-      (name "emacs-faceup")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/Lindydancer/faceup.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1yzmy7flrhrh0i10bdszx8idx6r8h6czm4vm4q0z6fp5fw94zwrx"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/Lindydancer/faceup")
-      (synopsis "Markup language for faces and font-lock regression testing")
-      (description "Emacs is capable of highlighting buffers based on
-language-specific @code{font-lock} rules.  This package makes it possible to
-perform regression test for packages that provide font-lock rules.")
-      (license license:gpl3+))))
-
-(define-public emacs-racket-mode
-  (let ((commit "b977873e6128f8399432dcd60cc39f6a6f803d9c")
-        (revision "2"))
-    (package
-      (name "emacs-racket-mode")
-      (version (string-append "0.0.2" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/greghendershott/racket-mode")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0vp4bbbplqvmnhjpl6ajrlydmrhqzil56cfbs18m5c5fddx0zlh7"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:include '("\\.el$" "\\.rkt$")))
-      (propagated-inputs
-       `(("emacs-faceup" ,emacs-faceup)
-         ("emacs-s" ,emacs-s)))
-      (home-page "https://github.com/greghendershott/racket-mode")
-      (synopsis "Major mode for Racket language")
-      (description "@code{racket-mode} provides:
-
-@itemize
-@item Focus on Racket (not various Schemes).
-@item Follow DrRacket concepts where applicable.
-@item Thorough font-lock and indent.
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-grep-context
-  (let ((commit "a17c57e66687a54e195e08afe776bdd60cb6c0a7"))
-    (package
-      (name "emacs-grep-context")
-      (version (git-version "0.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/mkcms/grep-context.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1nqfa6kjzjshww4hnwg1c0vcr90bdjihy3kmixq3c3jkvxg99b62"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)))
-      (home-page "https://github.com/nashamri/academic-phrases")
-      (synopsis "Increase context in compilation and grep buffers")
-      (description
-       "This package provides an Emacs package for more context in
-compilation/grep buffers.  Works with @code{wgrep}, @code{ack}, @code{ag},
-@code{ivy}.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-firefox
-  (let ((commit "0ad34b7b5abc485a86cae6920c14de861cbeb085")
-        (revision "1"))
-    (package
-      (name "emacs-helm-firefox")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacs-helm/helm-firefox.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "08mjsi2f9s29fkk35cj1rrparjnkm836qmbfdwdz7y51f9varjbs"))))
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/emacs-helm/helm-firefox")
-      (synopsis "Display firefox bookmarks with Emacs Helm interface")
-      (description "Display firefox bookmarks with Emacs Helm interface")
-      (license license:gpl3+))))
-
-(define-public emacs-interactive-align
-  (package
-    (name "emacs-interactive-align")
-    (version "0.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/mkcms/interactive-align/"
-                           "archive/" "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0sibpgb4lp6yy3pziak8f3hz4b28yj0dqy2nzh51z3d0b63h528m"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/mkcms/interactive-align/")
-    (synopsis "Interactive align-regexp command in Emacs")
-    (description "Interactive align-regexp command in Emacs")
-    (license license:gpl3+)))
-
-(define-public emacs-shift-number
-  (package
-    (name "emacs-shift-number")
-    (version "0.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/alezost/shift-number.el"
-                           "/archive/" "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1g79m0hqn9jgpm565vvh8pdfzndc4vw7xisnh5qysj55qfg8cb1x"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/alezost/shift-number.el")
-    (synopsis "Increase or decrease the number at point")
-    (description "@code{emacs-shift-number} provides commands
-@code{shift-number-up} to increase and @code{shift-number-down} to
-decrease the number at point.")
-    (license license:gpl3+)))
-
-(define-public emacs-highlight-defined
-  (package
-    (name "emacs-highlight-defined")
-    (version "0.1.5")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/Fanael/highlight-defined/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1ryd66989b5byqdw8jmjrjf0c78iiz72wibld750skcnj5h5h506"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Fanael/highlight-defined")
-    (synopsis "Syntax highlighting of known Elisp symbols")
-    (description "Minor mode providing syntax highlighting of known Emacs Lisp
-symbols.  Currently the code distinguishes Lisp functions, built-in functions,
-macros, faces and variables.  To enable call @code{highlight-defined-mode}. ")
-    (license license:gpl3+)))
-
-(define-public emacs-parinfer-mode
-  (package
-    (name "emacs-parinfer-mode")
-    (version "0.4.10")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/DogLooksGood/parinfer-mode/archive/"
-                           "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "06ba9qi59sm9ih9m38fbr8kj4qkvrm58n0c0ngfjz60gnr9x9pcv"))))
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-rainbow-delimiters" ,emacs-rainbow-delimiters)
-       ("emacs-company" ,emacs-company)))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/DogLooksGood/parinfer-mode/")
-    (synopsis "Lisp structure editing mode")
-    (description "@code{parinfer-mode} is a proof-of-concept editor
-mode for Lisp programming languages.  It will infer some changes to
-keep Parens and Indentation inline with one another.")
-    (license license:gpl3+)))
-
-(define-public emacs-helm-eww
-  (let ((commit "9d36acc433bcf689598b1b4d7d47c9aeb84d6b44"))
-    (package
-      (name "emacs-helm-eww")
-      (version (git-version "0.1" "3" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/emacs-helm/helm-eww.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "06gnf84gx6qbhcw1h5jhjnvcdxkdpv0npm53x3pgqybbll5rn5dy"))))
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/emacs-helm/helm-eww/")
-      (synopsis "Helm interface to EWW")
-      (description "This package provides a Helm interface for EWW buffers,
-bookmarks and history.")
-      (license license:gpl3+))))
-
-(define-public emacs-stumpwm-mode
-  (let ((commit "8fbe071d2c6c040794060a354eb377218dc10b35")
-        (revision "1"))
-    (package
-      (name "emacs-stumpwm-mode")
-      (version (string-append "0.0.1-" revision "."
-                              (string-take commit 7)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/stumpwm/stumpwm-contrib.git")
-                      (commit commit)))
-                (file-name (string-append name "-" version "-checkout"))
-                (sha256
-                 (base32
-                  "1dfwsvz1c8w6j4jp0kzaz78ml3f5dp0a5pvf090kwpbpg176r7iq"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'chdir-elisp
-             ;; Elisp directory is not in root of the source.
-             (lambda _
-               (chdir "util/swm-emacs"))))))
-      (home-page "https://github.com/stumpwm/stumpwm-contrib")
-      (synopsis "Emacs minor-mode for Stumpwm")
-      (description "Emacs minor-mode for Stumpwm")
-      (license license:gpl3+))))
-
-(define-public emacs-irfc
-  (package
-    (name "emacs-irfc")
-    (version "20130824.507")
-    (source
-     (origin
-       (method url-fetch)
-       (uri "https://www.emacswiki.org/emacs/download/irfc.el")
-       (file-name (string-append "irfc-" version ".el"))
-       (sha256
-        (base32
-         "197ybqwbj8qjh2p9pkf5mvqnrkpcgmv8c5s2gvl6msyrabk0mnca"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/download/irfc.el")
-    (synopsis "Interface for IETF RFC document")
-    (description
-     "This package provides an Emacs interface for IETF RFC document.")
-    (license license:gpl3+)))
-
-(define-public emacs-ido-vertical-mode
-  (package
-    (name "emacs-ido-vertical-mode")
-    (version "0.1.6")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/creichert/ido-vertical-mode.el/archive/"
-             "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "0dprdxq8wvqd45dinwj92k0kixr07c8xvspa6i613mjcpxgwjg53"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/creichert/ido-vertical-mode.el")
-    (synopsis "Makes ido-mode display vertically")
-    (description "Makes ido-mode display prospects vertically.")
-    (license license:gpl3+)))
-
-(define-public emacs-wordgen
-  (package
-    (name "emacs-wordgen")
-    (version "0.1.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/Fanael/wordgen.el/archive/"
-                           version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1h2iyixdm49h53pwj9ics9gb9h3g6wa4hainpnjg6mfarf49jkmg"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Fanael/wordgen.el")
-    (synopsis "Random word generator")
-    (description "This package provides functions to generate random words
-using user-provided rules.")
-    (license license:gpl3+)))
-
-(define-public emacs-on-screen
-  (package
-    (name "emacs-on-screen")
-    (version "1.3.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "http://elpa.gnu.org/packages/on-screen-" version ".el"))
-       (file-name (string-append name "-" version ".el"))
-       (sha256
-        (base32
-         "15d18mjgv1pnwl6kf3pr5w64q1322p1l1qlfvnckglwmzy5sl2qv"))))
-    (build-system emacs-build-system)
-    (home-page
-     "https://github.com/michael-heerdegen/on-screen.el")
-    (synopsis "Guide your eyes while scrolling")
-    (description
-     "Scrolling can be distracting because your eyes may lose
-orientation.  This library implements a minor mode that highlights
-the previously visible buffer part after each scroll.")
-    (license license:gpl3+)))
-
-(define-public emacs-highlight-escape-sequences
-  (let ((commit "08d846a7aa748209d65fecead2b6a766c3e5cb41")
-        (revision "1"))
-    (package
-      (name "emacs-highlight-escape-sequences")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/dgutov/highlight-escape-sequences.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "05mc3w1f8ykf80914a1yddw6j8cmh0h57llm07xh89s53821v2is"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/dgutov/highlight-escape-sequences")
-      (synopsis "Highlight escape sequences in Emacs")
-      (description "@code{highlight-escape-sequences} provides an
-Emacs minor mode to escape sequences in code.")
-      (license license:gpl3+))))
-
-(define-public emacs-dashboard
-  (package
-    (name "emacs-dashboard")
-    (version "1.2.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/rakanalh/emacs-dashboard/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1738lmbgq6gk24hcwic0qjyajr21l5xzhya4pv58dw1bhd6vxv9g"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-page-break-lines" ,emacs-page-break-lines)))
-    (arguments '(#:include '("\\.el$" "\\.txt$" "\\.png$")))
-    (home-page "https://github.com/rakanalh/emacs-dashboard")
-    (synopsis "Startup screen extracted from Spacemacs")
-    (description "This package provides an extensible Emacs dashboard, with
-sections for bookmarks, projectil projects, org-agenda and more. ")
-    (license license:gpl3+)))
-
-(define-public emacs-slime-company
-  (package
-    (name "emacs-slime-company")
-    (version "1.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/anwyn/slime-company/archive/"
-                           "v" version ".tar.gz"))
-       (sha256
-        (base32
-         "1myl79pxj501xfr5qc5a24qddsn2l5iaamg7rf7fpny7mr9v70ar"))
-       (file-name (string-append name "-" version ".tar.gz"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-slime" ,emacs-slime)
-       ("emacs-company" ,emacs-company)))
-    (home-page "https://company-mode.github.io")
-    (synopsis "SLIME completion backend for @code{company-mode}")
-    (description
-     "This is a backend implementation for the completion package
-@code{company-mode} which supports the normal and the fuzzy completion
-modes of SLIME.")
-    (license license:gpl3+)))
-
-(define-public emacs-sml-mode
-  (package
-    (name "emacs-sml-mode")
-    (version "6.8")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "http://elpa.gnu.org/packages/sml-mode-"
-                           version ".el"))
-       (sha256
-        (base32
-         "105fcrz5qp95f2n3fdm3awr6z58sbrjihjss6qnrg4lz2ggbc328"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/sml-mode.html")
-    (synopsis "Major mode for editing (Standard) ML")
-    (description "SML-MODE is a major Emacs mode for editing Standard ML.
-It provides syntax highlighting and automatic indentation and
-comes with sml-proc which allows interaction with an inferior SML
-interactive loop.")
-    (license license:gpl3+)))
-
-(define-public emacs-eros
-  (let ((commit "a42e45c9b2397156c684330b0fc90ee0eba773f5")
-        (revision "1"))
-    (package
-      (name "emacs-eros")
-      (version (string-append "0.0.1" "-" revision "."
-                              (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/xiongtx/eros.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0whlsq90v13fz69k3wjrwcwb9gkpfxqjd75mg3nrp85j9nwhb5i4"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/xiongtx/eros")
-      (synopsis "Evaluation result overlays")
-      (description "@code{eros} provides evaluation result overlays.")
-      (license license:gpl3+))))
-
-(define-public emacs-stickyfunc-enhance
-  (let ((commit "13bdba51fcd83ccbc3267959d23afc94d458dcb0")
-        (revision "1"))
-    (package
-      (name "emacs-stickyfunc-enhance")
-      (version "0.1")
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/tuhdo/semantic-stickyfunc-enhance.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "16dxjsr5nj20blww4xpd4jzgjprzzh1nwvb810ggdmp9paf4iy0g"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/tuhdo/semantic-stickyfunc-enhance")
-      (synopsis "Enhancement to stock @code{semantic-stickyfunc-mode}")
-      (description
-       "@code{semantic-stickyfunc-mode} shows the function point is currently
-in at the first line of the current buffer.  This is useful when you have a
-very long function that spreads more than a screen, and you don't have to
-scroll up to read the function name and then scroll down to original position.")
-      (license license:gpl3+))))
-
-(define-public emacs-git-auto-commit-mode
-  (package
-    (name "emacs-git-auto-commit-mode")
-    (version "4.4.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/ryuslash/git-auto-commit-mode/archive/"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "04avxmalsl3b7zi2vipfw9rb4wrwysnipsbch96skviql9axk870"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ryuslash/git-auto-commit-mode")
-    (synopsis "Emacs Minor mode to automatically commit and push")
-    (description "@code{git-auto-commit-mode} is an Emacs minor mode that
-tries to commit changes to a file after every save.
-
-When @code{gac-automatically-push-p} is non-nil, it also tries to push to
-the current upstream.")
-    (license license:gpl3+)))
-
-(define-public emacs-company-restclient
-  (package
-    (name "emacs-company-restclient")
-    (version "0.1.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/iquiw/company-restclient/archive/"
-             "v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "1kr3f0wgqlk7r171bvb2kinv7fanwj2md01wdpx04qkgwcr1as00"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-company" ,emacs-company)
-       ("emacs-know-your-http-well" ,emacs-know-your-http-well)
-       ("emacs-restclient" ,emacs-restclient)))
-    (home-page "https://github.com/iquiw/company-restclient")
-    (synopsis "Company-mode completion back-end for restclient-mode")
-    (description "@code{company-mode} back-end for
-@code{restclient-mode}.
-
-It provides auto-completion for HTTP methods and headers in
-@code{restclient-mode}.  Completion source is given by
-@code{know-your-http-well}.")
-    (license license:gpl3+)))
-
-(define-public emacs-noflet
-  (let ((version "20170629")
-        (revision "1")
-        (commit "7ae84dc3257637af7334101456dafe1759c6b68a"))
-    (package
-      (name "emacs-noflet")
-      (version (git-version version revision commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/nicferrier/emacs-noflet")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0g70gnmfi8n24jzfci9nrj0n9bn1qig7b8f9f325rin8h7x32ypf"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'require-dash
-             ;; noflet.el uses -map from dash, but (require 'dash) is
-             ;; missing. So, add it.
-             (lambda _
-               (substitute* "noflet.el"
-                 ((";;; Code:") ";;; Code:\n(require 'dash)"))
-               #t)))))
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)))
-      (home-page "https://github.com/nicferrier/emacs-noflet")
-      (synopsis "Locally override functions")
-      (description "@code{emacs-noflet} let's you locally override functions,
-in the manner of @command{flet}, but with access to the original function
-through the symbol: @command{this-fn}.")
-      (license license:gpl3+))))
-
-(define-public emacs-dumb-jump
-  (package
-    (name "emacs-dumb-jump")
-    (version "0.5.2")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/jacktasia/dumb-jump/archive/v"
-             version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "07n0xjgpxjpf3vp9gxchkjpydyj0zm166930as0kwiwkhjlsirsf"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #f ; FIXME: Tests freeze when run.
-       #:test-command '("ert-runner")
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'set-shell
-           (lambda _
-             ;; Setting the SHELL environment variable is required for the
-             ;; tests to find sh.
-             (setenv "SHELL" (which "sh"))
-             #t)))))
-    (native-inputs
-     `(("emacs-el-mock" ,emacs-el-mock)
-       ("emacs-noflet" ,emacs-noflet)
-       ("emacs-undercover" ,emacs-undercover)
-       ("ert-runner" ,emacs-ert-runner)))
-    (propagated-inputs
-     `(("emacs-f" ,emacs-f)
-       ("emacs-popup" ,emacs-popup)))
-    (home-page "https://github.com/jacktasia/dumb-jump")
-    (synopsis "Jump to definition for multiple languages without configuration")
-    (description "Dumb Jump is an Emacs \"jump to definition\" package with
-support for multiple programming languages that favors \"just working\" over
-speed or accuracy.  This means minimal --- and ideally zero --- configuration
-with absolutely no stored indexes (tags) or persistent background processes.
-Dumb Jump performs best with The Silver Searcher @command{ag} or ripgrep
-@command{rg} installed.")
-    (license license:gpl3+)))
-
-(define-public emacs-dts-mode
-  (let ((commit "9ee0854446dcc6c53d2b8d2941051768dba50344")
-        (revision "1"))
-    (package
-      (name "emacs-dts-mode")
-      (version (string-append "0.1.0-" revision "." (string-take commit 7)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/bgamari/dts-mode.git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1k8lljdbc90nd29xrhdrsscxavzdq532wq2mg7ljc94krj7538b1"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/bgamari/dts-mode.git")
-      (synopsis "Emacs minor mode for editing device tree files")
-      (description
-       "This package provides an Emacs minor mode for highlighting
-device tree files.")
-      (license license:gpl3+))))
-
-(define-public emacs-daemons
-  (package
-    (name "emacs-daemons")
-    (version "2.0.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/cbowdon/daemons.el")
-             (commit version)))
-       (file-name (string-append name "-" version "-checkout"))
-       (sha256
-        (base32
-         "00bkzfaw3bqykcks610vk9wlpa2z360xn32bpsrycacwfv29j7g4"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/cbowdon/daemons.el")
-    (synopsis "Emacs UI for managing init system services")
-    (description
-     "This is an Emacs mode to give you a UI for managing init system
-daemons (services) for those getting tired of typing out @code{sudo service
-my_thing reload} all the time.  It offers a consistent UI over different init
-systems.")
-    (license license:gpl3+)))
-
-(define-public emacs-esh-autosuggest
-  (package
-    (name "emacs-esh-autosuggest")
-    (version "2.0.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/dieggsy/esh-autosuggest")
-             (commit version)))
-       (file-name (string-append name "-" version "-checkout"))
-       (sha256
-        (base32
-         "116pdjgpjy9b0psm5kzwkwy7dq8vn0p6dy75dl1zsy2xrjf1iqdw"))))
-    (build-system emacs-build-system)
-    (propagated-inputs `(("emacs-company" ,emacs-company)))
-    (home-page "https://github.com/dieggsy/esh-autosuggest")
-    (synopsis "Fish-like autosuggestions in Eshell")
-    (description
-     "This package assumes you use something other than company for eshell
-completion (e.g. @code{eshell-pcomplete}, @code{completion-at-point},
-@code{helm-esh-pcomplete}).  @code{company-mode} is used solely as a mechanism
-for history autosuggestions.
-
-Unless you're using @code{use-package}'s hook keyword, you can enable the
-autosuggestions with:
-@code{(add-hook 'eshell-mode-hook #'esh-autosuggest-mode)}")
-    (license license:gpl3+)))
-
-(define-public emacs-desktop-environment
-  (package
-    (name "emacs-desktop-environment")
-    (version "0.2.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/DamienCassou/desktop-environment.git")
-             (commit (string-append "v" version))))
-       (file-name (string-append name "-" version "-checkout"))
-       (sha256
-        (base32
-         "1fal3yfmqg10cb53qsf5gsq2gvyz9w16wmlpnpjwjzwnjfn6l73r"))))
-    (build-system emacs-build-system)
-    (home-page "https://gitlab.petton.fr/DamienCassou/desktop-environment")
-    (synopsis "Control your GNU/Linux desktop environment from Emacs")
-    (description
-     "This package helps you control your GNU/Linux desktop from Emacs.
-With @code{desktop-environment}, you can control the brightness and volume as
-well as take screenshots and lock your screen.  The package depends on the
-availability of shell commands to do the hard work for us.  These commands can
-be changed by customizing the appropriate variables.")
-    (license license:gpl3+)))
-
-(define-public emacs-org-caldav
-  (package
-    (name "emacs-org-caldav")
-    (version "20180403")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/dengste/org-caldav/raw/"
-             "8d3492c27a09f437d2d94f2736c56d7652e87aa0"
-             "/org-caldav.el"))
-       (sha256
-        (base32
-         "1fh4gh68ddj0is99z2ccyh97v6psnyda61n2dsadzqhcxn51amlc"))))
-    (build-system emacs-build-system)
-    (propagated-inputs `(("emacs-org" ,emacs-org)))
-    (home-page "https://github.com/dengste/org-caldav")
-    (synopsis
-     "Sync Org files with external calendars via the CalDAV protocol")
-    (description
-     "Synchronize between events in Org-mode files and a CalDAV calendar.
-This code is still alpha.")
-    (license license:gpl3+)))
-
-(define-public emacs-zotxt
-  (package
-    (name "emacs-zotxt")
-    (version "20180518")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://github.com/egh/zotxt-emacs/archive/"
-             "23a4a9f74a658222027d53a9a83cd4bcc583ca8b"
-             ".tar.gz"))
-       (sha256
-        (base32
-         "1qlibaciqgsva6fc7vv9krssjq00bi880396jk7llbi3c52q9n1y"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-deferred" ,emacs-deferred)
-       ("emacs-request" ,emacs-request)))
-    (home-page "https://github.com/egh/zotxt-emacs")
-    (synopsis "Integrate Emacs with Zotero")
-    (description "This package provides two integration features between Emacs
-and the Zotero research assistant: Insertion of links to Zotero items into an
-Org-mode file, and citations of Zotero items in Pandoc Markdown files.")
-    (license license:gpl3+)))
-
-(define-public emacs-evil-ediff
-  ;; Evil-Ediff is included in Evil Collection from 20180617.
-  (deprecated-package "emacs-evil-ediff" emacs-evil-collection))
-
-(define-public emacs-evil-magit
-  (let ((commit "dbf5a646a7ce1c35c229dfdc423bd5ecd927a3a8"))
-    (package
-      (name "emacs-evil-magit")
-      (version (git-version "0.4.2" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacs-evil/evil-magit")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0ya0dkviq4pi92ab69a4j674y5r1hc1x3x7r7hlm97ag3a6zfkav"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-evil" ,emacs-evil)
-         ("magit" ,emacs-magit)))
-      (home-page
-       "https://github.com/emacs-evil/evil-magit")
-      (synopsis "Evil-based key bindings for Magit")
-      (description
-       "This Emacs library configures Magit and Evil to play well with each other.
-For some background see @url{https://github.com/magit/evil-magit/issues/1}.
-See the README at @url{https://github.com/justbur/evil-magit} for a table
-describing the key binding changes.")
-      (license license:gpl3+))))
-
-(define-public emacs-evil-mu4e
-  ;; Evil-mu4e is included in Evil Collection from 20180617.
-  (deprecated-package "emacs-evil-mu4e" emacs-evil-collection))
-
-(define-public emacs-evil-multiedit
-  (package
-    (name "emacs-evil-multiedit")
-    (version "1.3.9")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/hlissner/evil-multiedit")
-             (commit (string-append "v" version))))
-       (file-name (string-append name "-" version "-checkout"))
-       (sha256
-        (base32
-         "19h3kqylqzbjv4297wkzzxdmn9yxbg6z4ga4ssrqri90xs7m3rw3"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-evil" ,emacs-evil)
-       ("emacs-iedit" ,emacs-iedit)))
-    (home-page
-     "https://github.com/hlissner/evil-multiedit")
-    (synopsis "Multiple cursors for Evil mode")
-    (description
-     "This plugin was an answer to the lack of proper multiple cursor support
-in Emacs+Evil.  It allows you to select and edit matches interactively,
-integrating @code{iedit-mode} into Evil mode with an attempt at sensible
-defaults.")
-    (license license:gpl3+)))
-
-(define-public emacs-evil-org
-  (let ((commit "b6d652a9163d3430a9e0933a554bdbee5244bbf6"))
-    (package
-      (name "emacs-evil-org")
-      (version (git-version "0.1.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/Somelauw/evil-org-mode")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "176hrw7y7nczffbyhsa167b8rvfacsmcafm2gpkrdjqlrikbmrhl"))))
-      (build-system emacs-build-system)
-      (propagated-inputs `(("emacs-evil" ,emacs-evil)))
-      (home-page
-       "https://github.com/Somelauw/evil-org-mode")
-      (synopsis "Evil keybindings for Org mode")
-      (description
-       "This package adds supplemental Evil mode key-bindings to Emacs
-Org-mode.  It features:
-@itemize
-@item normal, visual and insert mode bindings;
-@item key bindings organised in key themes;
-@item operators like > and < to work on headings;
-@item text objects;
-@item table support;
-@item calendar (date selection) support;
-@item agenda support.
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-fish-completion
-  (let ((commit "bac15fda1392a891070574dfe5d2d50b10831e8b"))
-    (package
-      (name "emacs-fish-completion")
-      (version (git-version "20180616" "1" commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "https://gitlab.com/Ambrevar/emacs-fish-completion/repository/"
-               "archive.tar.gz?ref="
-               commit))
-         (sha256
-          (base32
-           "093qzdrbkl7dhjk16zq8i13kh1phyigkblcfrbgbrxjqd2ndrfdi"))))
-      (build-system emacs-build-system)
-      (inputs `(("fish" ,fish)))
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'configure
-             (lambda* (#:key inputs outputs #:allow-other-keys)
-               (let ((fish (assoc-ref inputs "fish")))
-                 ;; Specify the absolute file names of the various
-                 ;; programs so that everything works out-of-the-box.
-                 (emacs-substitute-variables
-                     "fish-completion.el"
-                   ("fish-completion-command"
-                    (string-append fish "/bin/fish")))))))))
-      (home-page
-       "https://gitlab.com/Ambrevar/emacs-fish-completion")
-      (synopsis "Fish completion for Emacs pcomplete")
-      (description
-       "This package provides completion for the Fish shell to pcomplete (used
-by shell and Eshell).  You can set it up globally with:
-
-@example
-(when (and (executable-find \"fish\")
-           (require 'fish-completion nil t))
-  (global-fish-completion-mode))
-@end example
-
-Alternatively, you can call the @code{fish-completion-mode} manually or in
-shell/Eshell mode hook.
-
-The package @code{emacs-bash-completion} is an optional dependency: if available,
-@code{fish-completion-complete} can be configured to fall back on bash to further
-try completing.  See @code{fish-completion-fallback-on-bash-p}.")
-      (license license:gpl3+))))
-
-(define-public emacs-gif-screencast
-  (let ((commit "12b25442b97b84abae74ecb5190a9d14ff7cfe5a"))
-    (package
-      (name "emacs-gif-screencast")
-      (version (git-version "20180616" "1" commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "https://gitlab.com/Ambrevar/emacs-gif-screencast/"
-               "repository/archive.tar.gz?ref="
-               commit))
-         (sha256
-          (base32
-           "0lc457i78xjkn5idr2aaiadkh76zcsksj84z0qh80a9y775syrgh"))))
-      (build-system emacs-build-system)
-      (inputs
-       `(("scrot" ,scrot)
-         ("imagemagick" ,imagemagick)
-         ("gifsicle" ,gifsicle)))
-     (arguments
-      `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'configure
-           (lambda* (#:key inputs outputs #:allow-other-keys)
-             (let ((scrot (assoc-ref inputs "scrot"))
-                   (imagemagick (assoc-ref inputs "imagemagick"))
-                   (gifsicle (assoc-ref inputs "gifsicle")))
-               ;; Specify the absolute file names of the various
-               ;; programs so that everything works out-of-the-box.
-               (emacs-substitute-variables
-                   "gif-screencast.el"
-                 ("gif-screencast-program"
-                  (string-append scrot "/bin/scrot"))
-                 ("gif-screencast-convert-program"
-                  (string-append imagemagick "/bin/convert"))
-                 ("gif-screencast-cropping-program"
-                  (string-append imagemagick "/bin/mogrify"))
-                 ("gif-screencast-optimize-program"
-                  (string-append imagemagick "/bin/gifsicle")))))))))
-      (home-page
-       "https://gitlab.com/Ambrevar/emacs-gif-screencast")
-      (synopsis "One-frame-per-action GIF recording")
-      (description
-       "Call @code{gif-screencast} to start a recording.
-A screenshot is taken for every user action.  Call
-@code{gif-screencast-stop} (<f9> by default) to finish recording and create
-the GIF result.")
-      (license license:gpl3+))))
-
-(define-public emacs-google-translate
-  (package
-    (name "emacs-google-translate")
-    (version "0.11.16")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://github.com/atykhonov/google-translate/"
-                           "archive/v" version ".tar.gz"))
-       (file-name (string-append name "-" version ".tar.gz"))
-       (sha256
-        (base32
-         "01n9spj1d0gjfj39x526rl3m9c28wnx9afipmf5s8y77cx3mfwhl"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/atykhonov/google-translate")
-    (synopsis "Emacs interface to Google Translate")
-    (description
-     "This packages provides an Emacs interface to the Google Translate
-on-line service.")
-    (license license:gpl3+)))
-
-(define-public emacs-helm-company
-  (let ((commit "d3fc093a0e833b4dee6561c00d6df3d62aa50f3f"))
-    (package
-      (name "emacs-helm-company")
-      (version (git-version "0.2.3" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/Sodel-the-Vociferous/helm-company")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1ciirsanhajdqm5iwl8k9ywf4jha1wdv4sc4d9kslyrfr9zn4q6k"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-company" ,emacs-company)))
-      (home-page "https://github.com/Sodel-the-Vociferous/helm-company")
-      (synopsis "Helm interface for company-mode")
-      (description
-       "This is a Helm interface to company-mode, a text completion
-framework.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-descbinds
-  (let ((commit "033be73f21778633813264ce1634a6e1ad873d8e"))
-    (package
-      (name "emacs-helm-descbinds")
-      (version (git-version "1.13" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacs-helm/helm-descbinds")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1n89p56qwa243w1c85i5awnaf7piwjsvfi7nmnsrwm33hix5dknk"))))
-      (build-system emacs-build-system)
-      (propagated-inputs `(("emacs-helm" ,emacs-helm)))
-      (home-page "https://github.com/emacs-helm/helm-descbinds")
-      (synopsis "Convenient @code{describe-bindings} with Helm")
-      (description
-       "This package is a replacement of @code{describe-bindings} for Helm.
-@code{describe-bindings} is replaced with @code{helm-descbinds}.  As usual,
-type @code{C-h b}, or any incomplete key sequence plus @code{C-h}, to run
-@code{helm-descbinds}.  The bindings are presented in a similar way as
-@code{describe-bindings} does, but you can use completion to find the command
-you searched for and execute it, or view its documentation.")
-    (license license:gpl3+))))
-
-(define-public emacs-helm-emms
-  (let ((commit "d3f9bdef8ff0d093eaf6e26af50ea905ab53fdec"))
-    (package
-      (name "emacs-helm-emms")
-      (version (git-version "1.3" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacs-helm/helm-emms")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0bdb8xp0yp3gijpa9i2rc17gfzjhzlm92vdzw93i10qpd1xhj4aa"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-emms" ,emacs-emms)))
-      (home-page
-       "https://github.com/emacs-helm/helm-emms")
-      (synopsis "Emms for Helm")
-      (description "Helm interface for Emms to browse all tracks and all folders
-from @code{emms-source-file-default-directory}.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-exwm
-  (let ((commit "56266f261ba3b3d2753b374b50da20eb768c06f5"))
-    (package
-      (name "emacs-helm-exwm")
-      (version (git-version "20180703" "2" commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "https://github.com/emacs-helm/helm-exwm/archive/"
-               commit
-               ".tar.gz"))
-         (sha256
-          (base32
-           "0n7hdiajw5vxl8ha2r9r4cl4i7crza25348825wb6acwhhzijxcj"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-exwm" ,emacs-exwm)))
-      (home-page
-       "https://github.com/emacs-helm/helm-exwm")
-      (synopsis "Helm for EXWM buffers")
-      (description
-       "@code{helm-exwm} runs a Helm session over the list of EXWM buffers.
-@code{helm-exwm-switch} is a convenience X application launcher using Helm to
-switch between the various windows of one or several specific applications.
-See @code{helm-exwm-switch-browser} for an example.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-flycheck
-  (let ((commit "3cf7d3bb194acacc6395f88360588013d92675d6"))
-    (package
-      (name "emacs-helm-flycheck")
-      (version (git-version "0.4" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/yasuyk/helm-flycheck")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1a2yfxhz04klwhcandqvfzysxp6b7bxyxx1xk1x3kds5hif5fkl4"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)
-         ("emacs-flycheck" ,emacs-flycheck)
-         ("emacs-helm" ,emacs-helm)))
-      (home-page "https://github.com/yasuyk/helm-flycheck")
-      (synopsis "Show Flycheck errors with Helm")
-      (description
-       "This integrates Flycheck with Helm.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-ls-git
-  (let ((commit "76654c776a7f6e2e5290645e748aac2a746f7daa"))
-    (package
-      (name "emacs-helm-ls-git")
-      (version (git-version "1.9.1" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/emacs-helm/helm-ls-git")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0vsq1n3xl3ghy5zik2scm7jrs501n4kybdqd6yw6j0cv4jxdqbr0"))))
-      (build-system emacs-build-system)
-      (propagated-inputs `(("emacs-helm" ,emacs-helm)))
-      (home-page "https://github.com/emacs-helm/helm-ls-git")
-      (synopsis "Helm interface for listing the files in a Git repository")
-      (description
-       "This package provides a Helm interface for Git files.
-@itemize
-@item Display the open buffers in project.
-@item Display a status source showing state of project (modified files etc.).
-@item Display a list of all files in project under git control.
-@item Quickly look at diffs of modified files.
-@item Allow switching to @code{git status} with your preferred frontend
-(vc-dir, Magit,etc.).
-@item Full integration of git-grep, also allow usage of @code{helm-grep} (you
-can use ack-grep instead of grep).
-@item Integrate usage of gid from id-utils.
-@item Full integration with @code{helm-find-files}, allow you to browse
-projects unrelated to current-buffer.
-@item In addition, all actions of type files and buffers are provided.
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-mu
-  (let ((commit "77e6fea24e01481418738421dbcfe28ef1bd63cf"))
-    (package
-      (name "emacs-helm-mu")
-      (version (git-version  "20180513" "1" commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "https://github.com/emacs-helm/helm-mu/archive/"
-               commit
-               ".tar.gz"))
-         (sha256
-          (base32
-           "0qm4xi3i957scm50nar398pv4x8y03si10l77jb9ckjaviyq2hj9"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("mu" ,mu)))
-      (home-page
-       "https://github.com/emacs-helm/helm-mu")
-      (synopsis
-       "Helm sources for searching emails and contacts")
-      (description
-       "Helm sources for searching emails and contacts using @code{mu} and
-@code{mu4e}.  Mu is an indexer for maildirs and mu4e is a mutt-like MUA for
-Emacs build on top of mu.  Mu is highly efficient making it possible to get
-instant results even for huge maildirs.  It also provides search operators,
-e.g: @code{from:Peter to:Anne flag:attach search term}.")
-      (license license:gpl3+))))
-
-(define-public emacs-helm-pass
-  (let ((commit "ebcbef1a962795a36e3491ae926e2a4b8a8b0ebb"))
-    (package
-      (name "emacs-helm-pass")
-      (version (git-version  "20180416" "1" commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "https://github.com/jabranham/helm-pass/archive/"
-               commit
-               ".tar.gz"))
-         (sha256
-          (base32
-           "1pgq4hj9wvz7z2fyxwsvbh6rmc1akya84v382nx26rr76iavz6wi"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-password-store" ,emacs-password-store)))
-      (home-page
-       "https://github.com/jabranham/helm-pass")
-      (synopsis "Helm interface to pass, the standard Unix password manager")
-      (description
-       "Users of @code{helm-pass} may also be interested in functionality
-provided by other Emacs packages dealing with pass:
-@itemize
-@item @code{emacs-password-store}, which @code{helm-pass} relies on.
-@item @code{emacs-pass}, a major mode for @code{pass}.
-@item @code{auth-source-pass.el}: integration of Emacs' auth-source with
-@code{pass}, included in Emacs 26+).
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-image+
-  (let ((commit "6834d0c09bb4df9ecc0d7a559bd7827fed48fffc"))
-    (package
-      (name "emacs-image+")
-      (version (git-version "0.6.2" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/mhayashi1120/Emacs-imagex")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0v66wk9nh0raih4jhrzmmyi5lbysjnmbv791vm2230ffi2hmwxnd"))))
-      (build-system emacs-build-system)
-      (inputs `(("imagemagick" ,imagemagick)))
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'configure
-             (lambda* (#:key inputs outputs #:allow-other-keys)
-               (let ((imagemagick (assoc-ref inputs "imagemagick")))
-                 ;; Specify the absolute file names of the various
-                 ;; programs so that everything works out-of-the-box.
-                 (chmod "image+.el" #o666)
-                 (emacs-substitute-variables
-                     "image+.el"
-                   ("imagex-convert-command"
-                    (string-append imagemagick "/bin/convert"))
-                   ("imagex-identify-command"
-                    (string-append imagemagick "/bin/identify")))))))))
-      (home-page "https://github.com/mhayashi1120/Emacs-imagex")
-      (synopsis "Image manipulation extensions for Emacs")
-      (description
-       "Image+ provides keybindings allowing you to zoom in or zoom out of an
-image, rotate it, save modified images, and more.")
-      (license license:gpl3+))))
-
-(define-public emacs-package-lint
-  (let ((commit "69bb89d00ba212b734c676ad056aa793c450b288"))
-    (package
-      (name "emacs-package-lint")
-      (version (git-version "0.5" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/purcell/package-lint")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1hfricsgmy3x9snnd2p4xq6vnnv94qdsxxnxp07b3hqc9bhw31rq"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/purcell/package-lint")
-      (synopsis "Linting library for elisp package authors")
-      (description
-       "This provides a list of issues with the Emacs package metadata of a file,
-e.g. the package dependencies it requires.  See function
-@code{package-lint-buffer}.  Checks will currently be enabled only if a
-\"Package-Requires:\" or \"Package-Version:\" header is present in the
-file.")
-      (license license:gpl3+))))
-
-(define-public emacs-picpocket
-  (let ((version "40")
-        (commit "6fd88b8711c4370662c0f9c462170187d092a046"))
-    (package
-      (name "emacs-picpocket")
-      (version version)
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/johanclaesson/picpocket")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32 "1mdzzxf7xm7zwrpnqqxa27d1cr31pd72d7ilbwljv13qp177a3yw"))))
-      (build-system emacs-build-system)
-      (arguments ; needed for running tests
-       `(#:tests? #t
-         #:emacs ,emacs
-         #:test-command '("emacs" "--batch"
-                          "-l" "picpocket-test.el"
-                          "-f" "ert-run-tests-batch-and-exit")))
-      (home-page "https://github.com/johanclaesson/picpocket")
-      (synopsis "Image viewer for Emacs")
-      (description
-       "Picpocket is an image viewer for GNU Emacs.  It has commands for:
-
-@itemize
-@item File operations on the picture files (delete, move, copy, hardlink).
-@item Scale and rotate the picture.
-@item Associate pictures with tags which are saved to disk.
-@item Filter pictures according to tags.
-@item Customizing keystrokes for quick tagging and file operations.
-@item Undo and browse history of undoable commands.
-@end itemize")
-      (license license:gpl3+))))
-
-(define-public emacs-wgrep-helm
-  ;; `emacs-wgrep-helm' was mistakenly added.
-  (deprecated-package "emacs-wgrep-helm" emacs-wgrep))
-
-(define-public emacs-mu4e-conversation
-  (let ((commit "e7d4bfcb0d392b0aed1f705ccac2419a168d1f5e"))
-    (package
-      (name "emacs-mu4e-conversation")
-      (version (git-version "20181126" "4" commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "https://gitlab.com/Ambrevar/mu4e-conversation/"
-               "repository/archive.tar.gz?ref="
-               commit))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "0b52hf9rm2afba9pvgink9bwqm705sk0y5qikp0ff5sk53wqvy29"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("mu" ,mu)))
-      (home-page
-       "https://gitlab.com/Ambrevar/mu4e-conversation")
-      (synopsis
-       "Show a complete thread in a single buffer")
-      (description
-       "This package offers an alternate view to mu4e's e-mail display.  It
-shows all e-mails of a thread in a single view, where each correspondent has
-their own face.  Threads can be displayed linearly (in which case e-mails are
-displayed in chronological order) or as an Org document where the node tree
-maps the thread tree.")
-      (license license:gpl3+))))
-
-(define-public emacs-pinentry
-  (let ((commit "dcc9ba03252ee5d39e03bba31b420e0708c3ba0c")
-        (revision "1"))
-    (package
-      (name "emacs-pinentry")
-      (version (git-version "0.1" revision commit))
-      (source
-       (origin
-         (method url-fetch)
-         (uri (string-append
-               "http://git.savannah.gnu.org/cgit/emacs/elpa.git/plain"
-               "/packages/pinentry/pinentry.el?id=" commit))
-         (file-name (string-append "pinentry.el"))
-         (sha256
-          (base32
-           "1lf30q6r8nz5cjzclbb9bbymsk2y75nskvb55hnjdv93gr3j0sik"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("gnupg" ,gnupg)))
-      (home-page "https://elpa.gnu.org/packages/pinentry.html")
-      (synopsis "GnuPG Pinentry server implementation")
-      (description
-       "This package allows GnuPG passphrase to be prompted through the
-minibuffer instead of graphical dialog.
-
-To use, add @code{allow-emacs-pinentry} to @code{~/.gnupg/gpg-agent.conf},
-reload the configuration with @code{gpgconf --reload gpg-agent}, and start the
-server with @code{M-x pinentry-start}.")
-      (license license:gpl3+))))
-
-(define-public emacs-org-brain
-  (package
-    (name "emacs-org-brain")
-    (version "0.5")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/Kungsgeten/org-brain.git")
-             (commit "3faf9303af3f2356e3444e69c22dc6c5774047d1")))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1ad681zk6kckw2zbk0r4iaj4bw8cfqrbd1s3gdwgdjlzq81q9mmj"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/Kungsgeten/org-brain")
-    (synopsis "Org-mode wiki and concept-mapping for Emacs")
-    (description "@code{emacs-org-brain} implements a variant of concept
-mapping in Emacs, using @code{org-mode}.  An org-brain is a network of
-org-mode entries, where each entry is a file or a headline, and you can get a
-visual overview of the relationships between the entries: parents, children,
-siblings and friends.  This visual overview can also be used to browse your
-entries.  You can think of entries as nodes in a mind map, or pages in a
-wiki.")
-    (license license:expat)))
-
-(define-public emacs-recent-addresses
-  (let ((commit "afbbfdc43b81e620acf827ca20d297e0c517b6eb")
-        (revision "1"))
-    (package
-      (name "emacs-recent-addresses")
-      (home-page "http://nschum.de/src/emacs/recent-addresses/")
-      (version (git-version "0.1" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      ;; Note: Use a branch that works with Helm.  Submitted
-                      ;; at <https://github.com/nschum/recent-addresses.el/pull/1>.
-                      (url "https://github.com/civodul/recent-addresses.el")
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "0ajrq0galjmdyjdjyxazykjyax3gh6hvfk4s7l657pi11g0q5zax"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (synopsis "Record recently-used email addressed and auto-complete them")
-      (description
-       "@code{recent-addresses} is an Emacs package that allows you to quickly
-look up previously used email addresses.  It can be used alongside the Gnus
-email client.")
-      (license license:gpl2+))))
-
-(define-public emacs-fold-dwim
-  (let ((commit "c46f4bb2ce91b4e307136320e72c28dd50b6cd8b")
-        (revision "0"))
-    (package
-      (name "emacs-fold-dwim")
-      (version (git-version "1.2" revision commit))
-      (home-page "https://github.com/emacsattic/fold-dwim")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url home-page) (commit commit)))
-                (sha256
-                 (base32
-                  "1yz1wis31asw6xa5maliyd1ck2q02xnnh7dc6swgj9cb4wi7k6i1"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (synopsis "Unified user interface for Emacs folding modes")
-      (description
-       "DWIM stands for \"do what I mean\", as in the idea that one keystroke
-can do different things depending on the context.  In this package, it means
-that, if the cursor is in a currently hidden folded construction, we want to
-show it; if it's not, we want to hide whatever fold the cursor is in.")
-      (license license:gpl2+))))
-
-(define-public emacs-markup-faces
-  (package
-    (name "emacs-markup-faces")
-    (version "1.0.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://stable.melpa.org/packages/markup-faces-"
-                           version ".el"))
-       (sha256
-        (base32
-         "124dxbaa25fwxnpwsygpz7pw6da6dnnw7y2lic3jf8rgz7lw4v32"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/sensorflo/markup-faces")
-    (synopsis "Collection of Emacs faces for markup language modes")
-    (description "emacs-markup-faces is like font-lock-faces, but tailored for
-markup languages instead programming languages.  The sub group markup-faces-text
-is also intended for 'text viewing modes' such as info or (wo)man.  This gives a
-common look and feel, or let's say theme, across different markup language modes
-and 'text viewing modes' respectively.")
-    (license license:gpl3+)))
-
-(define-public emacs-adoc-mode
-  (package
-    (name "emacs-adoc-mode")
-    (version "0.6.6")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "https://stable.melpa.org/packages/adoc-mode-"
-                           version ".el"))
-       (sha256
-        (base32
-         "1c6hrgxxsnl2c19rgjykpm7r4xg9lp6bmk5z6bi7g8pqlrgwffcy"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-markup-faces" ,emacs-markup-faces)))
-    (home-page "https://github.com/sensorflo/adoc-mode/wiki")
-    (synopsis "AsciiDoc mode for Emacs")
-    (description "This package provides an Emacs major mode for editing AsciiDoc
-files.  It focuses on highlighting the document to improve readability.")
-    (license license:gpl2+)))
-
-(define-public emacs-rust-mode
-  (let ((commit
-         ;; Last release is old (2016), use more recent commit to get bug
-         ;; fixes.
-         "64b4a2450e4d4c47f6307851c9b2598cd2254d68")
-        (revision "0"))
-    (package
-      (name "emacs-rust-mode")
-      (version (git-version "0.3.0" revision commit))
-      (source (origin
-                (method git-fetch)
-                (uri
-                 (git-reference
-                  (url "https://github.com/rust-lang/rust-mode")
-                  (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "0pbz36lljgb7bdgx3h3g0pq1nss1kvn8mhk1l3mknsmynd6w4nd8"))))
-      (build-system emacs-build-system)
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (replace 'check
-             (lambda _
-               (invoke "sh" "run_rust_emacs_tests.sh"))))))
-      (home-page "https://github.com/rust-lang/rust-mode")
-      (synopsis "Major Emacs mode for editing Rust source code")
-      (description "This package provides a major Emacs mode for editing Rust
-source code.")
-      (license (list license:expat
-                     license:asl2.0)))))
-
-(define-public emacs-ztree
-  (let ((commit "c54425a094353ec40a8179f9eab3596f76c6cf94"))
-    (package
-      (name "emacs-ztree")
-      (version (git-version "1.0.5" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/fourier/ztree")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0j8fpxds8m1zi04nrs8vv21091abvh4n8ab76f1sgdxnp4l5cfb0"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/fourier/ztree")
-      (synopsis "Directory tree comparison mode for Emacs")
-      (description "Ztree is a project dedicated to implementation of several
-text-tree applications inside GNU Emacs.  It consists of 2 subprojects:
-@command{ztree-diff} and @command{ztree-dir} (the basis of
-@command{ztree-diff}).")
-      (license license:gpl3))))
-
-(define-public emacs-helm-org-contacts
-  (let ((commit "0af703bd9a43032b89fdf5559673151d1ac2fffc"))
-    (package
-      (name "emacs-helm-org-contacts")
-      (version (git-version "20180707" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/tmalsburg/helm-org-contacts")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "1cl7cm2ic9pg4vc9cdh84vzjj1x2lpd5ymimiva8h4l17kiphk4s"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-dash" ,emacs-dash)
-         ("emacs-helm" ,emacs-helm)
-         ("emacs-s" ,emacs-s)))
-      (home-page "https://github.com/tmalsburg/helm-org-contacts")
-      (synopsis "Helm source for org-contacts")
-      (description "This Helm source can be used to search contacts stored in
-org-contacts format.  There are actions for inserting postal addresses, email
-addresses, and phone numbers in the buffer where @command{helm-org-contacts}
-was called.")
-      (license license:gpl3))))
-
-(define-public emacs-dired-du
-  (package
-    (name "emacs-dired-du")
-    (version "0.5.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append
-             "https://elpa.gnu.org/packages/dired-du-"
-             version ".tar"))
-       (sha256
-        (base32
-         "1091scnrjh0a4gja4z6jxic6ghy1yryv46qk9c76pmh50cpw6766"))))
-    (build-system emacs-build-system)
-    (home-page "http://elpa.gnu.org/packages/dired-du.html")
-    (synopsis "Dired with recursive directory sizes")
-    (description
-     "Display the recursive size of directories in Dired.
-This file defines a minor mode @command{dired-du-mode} to show the recursive
-size of directories in Dired buffers.  If @command{du} program is available,
-then the directory sizes are obtained with it.  Otherwise, the directory sizes
-are obtained with Lisp.  The former is faster and provide a more precise
-value.  For directories where the user doesn't have read permission, the
-recursive size is not obtained.  Once this mode is enabled, every new Dired
-buffer displays recursive dir sizes.")
-    (license license:gpl3+)))
-
-(define-public emacs-pcre2el
-  ;; Last release is very old so we get the latest commit.
-  (let ((commit "0b5b2a2c173aab3fd14aac6cf5e90ad3bf58fa7d"))
-    (package
-      (name "emacs-pcre2el")
-      (version (git-version "1.8" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/joddie/pcre2el")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "14br6ad138qx1z822wqssswqiihxiynz1k69p6mcdisr2q8yyi1z"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/joddie/pcre2el")
-      (synopsis "Convert between PCRE, Emacs and rx regexp syntax")
-      (description "@code{pcre2el} or @code{rxt} (RegeXp Translator or RegeXp
-Tools) is a utility for working with regular expressions in Emacs, based on a
-recursive-descent parser for regexp syntax.  In addition to converting (a
-subset of) PCRE syntax into its Emacs equivalent, it can do the following:
-
-@itemize
-@item convert Emacs syntax to PCRE
-@item convert either syntax to @code{rx}, an S-expression based regexp syntax
-@item untangle complex regexps by showing the parse tree in @code{rx} form and
-highlighting the corresponding chunks of code
-@item show the complete list of strings (productions) matching a regexp,
-provided the list is finite
-@item provide live font-locking of regexp syntax (so far only for Elisp
-buffers – other modes on the TODO list).
-@end itemize\n")
-      (license license:gpl3))))
-
-(define-public emacs-magit-todos
-  (package
-    (name "emacs-magit-todos")
-    (version "1.1")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/alphapapa/magit-todos")
-             (commit version)))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1mvzbxshr6zjdim3jd368ar1hy5l7n22i03cpvzdmrw83kkwdyhd"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-async" ,emacs-async)
-       ("emacs-dash" ,emacs-dash)
-       ("emacs-f" ,emacs-f)
-       ("emacs-hl-todo" ,emacs-hl-todo)
-       ("magit" ,emacs-magit)
-       ("emacs-pcre2el" ,emacs-pcre2el)
-       ("emacs-s" ,emacs-s)))
-    (home-page "https://github.com/alphapapa/magit-todos")
-    (synopsis "Show source files' TODOs (and FIXMEs, etc) in Magit status buffer")
-    (description "This package displays keyword entries from source code
-comments and Org files in the Magit status buffer.  Activating an item jumps
-to it in its file.  By default, it uses keywords from @code{hl-todo}, minus a
-few (like NOTE).")
-    (license license:gpl3)))
-
-(define-public emacs-git-annex
-  ;; Unreleased version has a fontification fix.
-  (let ((commit "ebdb44aef1883f1b2b8058e05d30fb9315b03707")
-        (revision "1"))
-    (package
-      (name "emacs-git-annex")
-      (version (string-append "1.1-" revision "." (string-take commit 8)))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/jwiegley/git-annex-el")
-               (commit commit)))
-         (file-name (string-append name "-" version "-checkout"))
-         (sha256
-          (base32
-           "1mzv40gj7k10h7h5s43my8msgzjpj680qprqa9pp8nbyhl49v3wh"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/jwiegley/git-annex-el")
-      (synopsis "Emacs integration for git-annex")
-      (description "Enhances Dired and buffers visiting annex files with
-git-annex functionality.  In Dired, the names of annex files are shortened by
-hiding the symbolic links and fontified based on whether content is present.
-Commands for performing some common operations (e.g., unlocking and adding
-files) are provided.")
-      (license license:gpl2+))))
-
-(define-public emacs-hackernews
-  (let ((commit "d8c450bbc76d6bb65ec5cdb6c3b888a23f3769e9"))
-    (package
-      (name "emacs-hackernews")
-      (version (git-version "0.4.0" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/clarete/hackernews.el")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "06mp4n6c300jv5lhwf50ircfjckzr2p1zd38s4mqnxxjlf1maim7"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/clarete/hackernews.el")
-      (synopsis "Hacker News client for Emacs")
-      (description "The @command{hackernews} package is able to fetch stories
-from six different Hacker News feeds, namely top, new, best, ask, show and job
-stories.  The default feed is top stories, which corresponds to the Hacker
-News homepage.")
-      (license license:gpl3))))
-
-(define-public emacs-youtube-dl
-  (let ((commit "7c9d7a7d05b72a7d1b1257a36c5e2b2567b185dd"))
-    (package
-      (name "emacs-youtube-dl")
-      (version (git-version "1.0" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/skeeto/youtube-dl-emacs/")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "0mh4s089a4x8s380agzb2306kdp1hl204px1n5rrrrdcls7imnh6"))))
-      (build-system emacs-build-system)
-      (inputs
-       `(("youtube-dl" ,youtube-dl)))
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'configure
-             (lambda* (#:key inputs #:allow-other-keys)
-               (let ((youtube-dl (assoc-ref inputs "youtube-dl")))
-                 ;; .el is read-only in git.
-                 (chmod "youtube-dl.el" #o644)
-                 ;; Specify the absolute file names of the various
-                 ;; programs so that everything works out-of-the-box.
-                 (emacs-substitute-variables
-                     "youtube-dl.el"
-                   ("youtube-dl-program"
-                    (string-append youtube-dl "/bin/youtube-dl")))))))))
-      (home-page "https://github.com/skeeto/youtube-dl-emacs/")
-      (synopsis "Emacs youtube-dl download manager")
-      (description "This package manages a video download queue for
-@command{youtube-dl}, which serves as the back end.  It manages a single
-@command{youtube-dl} subprocess, downloading one video at a time.  New videos
-can be queued at any time.")
-      (license license:unlicense))))
-
-(define-public emacs-org-web-tools
-  (package
-    (name "emacs-org-web-tools")
-    (version "1.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/alphapapa/org-web-tools")
-             (commit version)))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "0kak9h5ny00d39gnwspv53nadnag01brw2fq9zk5wpfc91h9bjng"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("emacs-dash" ,emacs-dash)
-       ("emacs-esxml" ,emacs-esxml)
-       ("emacs-s" ,emacs-s)))
-    (inputs
-     `(("pandoc" ,ghc-pandoc)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'patch-exec-paths
-           (lambda* (#:key inputs #:allow-other-keys)
-             (let ((pandoc (assoc-ref inputs "pandoc")))
-               (substitute* "org-web-tools.el"
-                 (("\"pandoc\"") (string-append "\"" pandoc "/bin/pandoc\"")))
-               #t))))))
-    (home-page "https://github.com/alphapapa/org-web-tools")
-    (synopsis "Display/Process web page as Org-mode content")
-    (description "This package contains library functions and commands useful
-for retrieving web page content and processing it into Org-mode content.
-
-For example, you can copy a URL to the clipboard or kill-ring, then run a
-command that downloads the page, isolates the “readable” content with
-@command{eww-readable}, converts it to Org-mode content with Pandoc, and
-displays it in an Org-mode buffer.  Another command does all of that but
-inserts it as an Org entry instead of displaying it in a new buffer.")
-    (license license:gpl3+)))
-
-(define-public emacs-blimp
-  (let ((commit "e420763d6d18b5d1be552cdbc47f91418343db03"))
-    (package
-      (name "emacs-blimp")
-      (version (git-version "0.0.0" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/walseb/blimp")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "09wmhpym516b81dfq8smdmysh1fn610dzlyvyl2rkx8600f0fizd"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-eimp" ,emacs-eimp)))
-      (home-page "https://github.com/walseb/blimp")
-      (synopsis "Emacs wrapper around all Imagemagick commands")
-      (description "Blimp (Bustling Image Manipulation Package) is a complete
-wrapper around all Imagemagick commands with descriptions, autocompletion (for
-some commands) and hints displayed in prompt using @command{eimp.el} to
-execute its commands and resize images.")
-      (license license:gpl3+))))
-
-(define-public emacs-synosaurus
-  (let ((commit "8bf95b935976ec0a1964cf175ed57cc5f6f93bdb"))
-    (package
-      (name "emacs-synosaurus")
-      (version (git-version "0.1.0" "1" commit))
-      (source
-       (origin
-         (method git-fetch)
-         (uri (git-reference
-               (url "https://github.com/hpdeifel/synosaurus")
-               (commit commit)))
-         (file-name (git-file-name name version))
-         (sha256
-          (base32
-           "15by9jccab6kyplxa6k0glzaivxkqdigl33gl2qi2cvy6f2q7gva"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("wordnet" ,wordnet)))
-      (arguments
-       `(#:phases
-         (modify-phases %standard-phases
-           (add-after 'unpack 'configure
-             (lambda* (#:key inputs outputs #:allow-other-keys)
-               (let ((wn (assoc-ref inputs "wordnet")))
-                 ;; .el is read-only in git.
-                 (chmod "synosaurus-wordnet.el" #o644)
-                 ;; Specify the absolute file names of the various
-                 ;; programs so that everything works out-of-the-box.
-                 (emacs-substitute-variables
-                     "synosaurus-wordnet.el"
-                   ("wordnet-command"
-                    (string-append wn "/bin/wn")))))))))
-      (home-page "https://github.com/hpdeifel/synosaurus")
-      (synopsis "Extensible thesaurus mode for Emacs")
-      (description "Synosaurus is a thesaurus fontend for Emacs with pluggable
-backends, including the @command{wordnet} offline backend.")
-      (license license:gpl3+))))
-
-(define-public emacs-all-the-icons
-  (package
-    (name "emacs-all-the-icons")
-    (version "3.2.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/domtronn/all-the-icons.el.git")
-             (commit version)))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1sdl33117lccznj38021lwcdnpi9nxmym295q6y460y4dm4lx0jn"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:include '("\\.el$" "^data/" "^fonts/")
-       ;; Compiling "test/" fails with "Symbol’s value as variable is void:
-       ;; all-the-icons--root-code".  Ignoring tests.
-       #:exclude '("^test/")
-       #:tests? #f))
-    (propagated-inputs
-     `(("f" ,emacs-f)
-       ("memoize" ,emacs-memoize)))
-    (home-page "https://github.com/domtronn/all-the-icons.el")
-    (synopsis "Collect icon fonts and propertize them within Emacs")
-    (description "All-the-icons is a utility package to collect various icon
-fonts and propertize them within Emacs.  Icon fonts allow you to propertize
-and format icons the same way you would normal text.  This enables things such
-as better scaling of and anti aliasing of the icons.")
-    ;; Package is released under Expat license.  Elisp files are licensed
-    ;; under GPL3+.  Fonts come with various licenses: Expat for
-    ;; "all-the-icons.ttf" and "file-icons.ttf", Apache License 2.0 for
-    ;; "material-design-icons.ttf", and SIL OFL 1.1 for "fontawesome.ttf",
-    ;; "ocitcons.ttf" and "weathericons.ttf".
-    (license
-     (list license:expat license:gpl3+ license:silofl1.1 license:asl2.0))))
-
-(define-public emacs-powerline
-  (package
-    (name "emacs-powerline")
-    (version "2.4")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/milkypostman/powerline.git")
-             (commit version)))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1hp3xp18943n0rlggz55150020ivw8gvi1vyxkr4z8xhpwq4gaar"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/milkypostman/powerline/")
-    (synopsis "Mode-line plugin for Emacs")
-    (description "Powerline is a utility plugin which allows you to create
-a better-looking, more functional Emacs mode-line.  A collection of predefined
-themes comes with the package.")
-    (license license:gpl3+)))
-
-(define-public emacs-spaceline
-  (package
-    (name "emacs-spaceline")
-    (version "2.0.1")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/TheBB/spaceline.git")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "1q8r95zfrh0vxna5ml2pq9b9f66clfqcl4d2qy2aizkvzyxg6skl"))))
-    (build-system emacs-build-system)
-    (propagated-inputs
-     `(("dash" ,emacs-dash)
-       ("powerline" ,emacs-powerline)
-       ("s" ,emacs-s)))
-    (home-page "https://github.com/TheBB/spaceline")
-    (synopsis "Powerline theme from Spacemacs")
-    (description "Spaceline provides Spacemacs' mode-line theme.
-This package provides features for three kinds of users.
-
-@itemize
-@item You just want to use the Spacemacs mode-line theme and forget about it.
-@item You want to use something similar to the Spacemacs mode-line theme, but
-with a handful of easy tweaks.
-@item You want an easy-to-use library for building your own mode-line from
-scratch, and you think the Spacemacs theme looks good.
-@end itemize")
-    (license license:gpl3+)))
-
-(define-public emacs-column-marker
-  (package
-    (name "emacs-column-marker")
-    (version "9")
-    (source
-     (origin
-       (method url-fetch)
-       (uri "https://www.emacswiki.org/emacs/download/column-marker.el")
-       (sha256 (base32 "05bv198zhqw5hqq6cr11mhz02dpca74hhp1ycwq369m0yb2naxy9"))))
-    (build-system emacs-build-system)
-    (home-page "https://www.emacswiki.org/emacs/ColumnMarker")
-    (synopsis "Emacs mode for highlighting columns")
-    (description
-     "With @code{column-marker.el} you can highlight any number of text columns.
-Three such highlight column markers are provided by default.  This is
-especially useful for languages like COBOL or Fortran where certain columns
-have special meaning.  It is also handy for aligning text across long vertical
-distances.  Multi-column characters, such as @kbd{TAB} are treated
-correctly.")
-    (license license:gpl2+)))
-
-(define-public emacs-slime-repl-ansi-color
-  (let ((commit "ad03263f5d4de473bc173b64a6fc3dc1106393d7"))
-    (package
-      (name "emacs-slime-repl-ansi-color")
-      (version (git-version "0.0.0" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/deadtrickster/slime-repl-ansi-color")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "0bpg7gxz310x7bnlg324c507sxc5gxwwz6h64h6kdq141r73vbi4"))))
-      (build-system emacs-build-system)
-      (home-page "https://github.com/deadtrickster/slime-repl-ansi-color")
-      (synopsis "Color ANSI codes in the REPL of SLIME")
-      (description "Color ANSI codes in the REPL of SLIME")
-      (license license:gpl2+))))
-
-(define-public emacs-helm-slime
-  (let ((commit "9980925f3e5f6ac5a30369d2a544e82006a79c76"))
-    (package
-      (name "emacs-helm-slime")
-      (version (git-version "0.0.0" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/emacs-helm/helm-slime")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "0xa07gpfkzwn522x9573mq5mfxvbawdgd0m93gqj6w5a14wk8zzh"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("emacs-helm" ,emacs-helm)
-         ("emacs-slime" ,emacs-slime)))
-      (home-page "https://github.com/emacs-helm/helm-slime")
-      (synopsis "Helm for SLIME, the Superior Lisp Interaction Mode for Emacs")
-      (description "Helm-SLIME defines a few new commands:
-
-@itemize
-@item helm-slime-complete: Select a symbol from the SLIME completion systems.
-@item helm-slime-list-connections: Yet another slime-list-connections with Helm.
-@item: helm-slime-apropos: Yet another slime-apropos with Helm.
-@item helm-slime-repl-history: Select an input from the SLIME REPL history and insert it.
-@end itemize\n")
-      (license license:gpl3+))))
-
-(define-public emacs-gtk-look
-  (package
-    (name "emacs-gtk-look")
-    (version "29")
-    (source (origin
-              (method url-fetch)
-              (uri "https://download.tuxfamily.org/user42/gtk-look.el")
-              (sha256
-               (base32
-                "14p2nwrd51cr1v06fxbjjn6jdrkf9d6vcxhmscm0kl677s25ypsp"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'configure
-           (lambda _
-             ;; File is read-only.
-             (chmod "gtk-look.el" #o644)
-             (emacs-substitute-variables "gtk-look.el"
-               ("gtk-lookup-devhelp-indices"
-                '(list (expand-file-name "~/.guix-profile/share/gtk-doc/html/*/*.devhelp*"))))
-             #t)))))
-    (home-page "http://user42.tuxfamily.org/gtk-look/index.html")
-    (synopsis "Find and display HTML documentation for GTK, GNOME and Glib")
-    (description "@command{gtk-look} finds and displays HTML documentation for
-GTK, GNOME and Glib functions and variables in Emacs, similar to what
-info-lookup-symbol does for info files (C-h S).  The documentation is expected
-to be devhelp indexes with HTML files.  The location of the indexes can be
-customized.  In addition to C code development @command{gtk-look} is good for
-
-@itemize
-@item @command{perl-gtk2}, recognising class funcs like
-@command{Gtk2::Label->new} and bare method names like @command{set_text}.
-@item @command{guile-gnome}, recognising methods like @command{set-text} and
-classes like @command{<gtk-window>}.
-@end itemize\n")
-    (license license:gpl3+)))
-
-(define-public emacs-ov
-  (package
-    (name "emacs-ov")
-    (version "1.0.6")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/ShingoFukuyama/ov.el.git")
-                    (commit version)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "0qxk2rf84j86syxi8xknsq252irwg7sz396v3bb4wqz4prpj0kzc"))))
-    (build-system emacs-build-system)
-    (home-page "https://github.com/ShingoFukuyama/ov.el")
-    (synopsis "Overlay library for Emacs Lisp")
-    (description "@code{ov.el} provides a simple way to manipulate overlays in
-Emacs.")
-    (license license:gpl3+)))
-
-(define-public emacs-matrix-client
-  (let ((commit "5d8e959a63e5de05b628ca8e1dfb974f7f618821"))
-    (package
-      (name "emacs-matrix-client")
-      (version (git-version "0.0.0" "1" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/jgkamat/matrix-client-el.git")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "15mwyjq3z867v0xl4m2s3vvfn0wqncb67xawm1cjmpnambz1yz1n"))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("a" ,emacs-a)
-         ("dash" ,emacs-dash)
-         ("esxml" ,emacs-esxml)
-         ("f" ,emacs-f)
-         ("frame-purpose" ,emacs-frame-purpose)
-         ("ht" ,emacs-ht)
-         ("ov" ,emacs-ov)
-         ("rainbow-identifiers" ,emacs-rainbow-identifiers)
-         ("request" ,emacs-request)
-         ("s" ,emacs-s)
-         ("tracking" ,emacs-tracking)))
-      (home-page "https://github.com/jgkamat/matrix-client-el")
-      (synopsis "Matrix client for Emacs")
-      (description "@code{matrix-client} is a simple chat UI to Matrix.org
-rooms.  It also provides an API which allows Emacs to seamlessly create
-RPC channels with users and other software.")
-      (license license:gpl3+))))
-
-(define-public emacs-sesman
-  (package
-    (name "emacs-sesman")
-    (version "0.3.3")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/vspinu/sesman.git")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "0r32f8ma9ddczxrrdz0nadp14j3zmk10q1ch02gb82synkx3xdra"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("make" "test")))
-    (home-page "https://github.com/vspinu/sesman")
-    (synopsis "Session manager for Emacs based IDEs")
-    (description "Sesman provides facilities for session management and
-interactive session association with the current contexts (project, directory,
-buffers).  While sesman can be used to manage arbitrary sessions, it primary
-targets the Emacs based IDEs (CIDER, ESS, Geiser, Robe, SLIME etc.)")
-    (license license:gpl3+)))
-
-(define-public emacs-buttercup
-  (package
-    (name "emacs-buttercup")
-    (version "1.16")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/jorgenschaefer/emacs-buttercup.git")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "0dckgcyzsav6ld78bcyrrygy1cz1jvqgav6vy8f6klpmk3r8xrl1"))))
-    (build-system emacs-build-system)
-    (arguments
-     `(#:tests? #t
-       #:test-command '("make" "test")
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'install 'install-bin
-           (lambda* (#:key outputs #:allow-other-keys)
-             (install-file "bin/buttercup"
-                           (string-append (assoc-ref outputs "out") "/bin"))
-             #t)))))
-    (home-page "https://github.com/jorgenschaefer/emacs-buttercup")
-    (synopsis "Behavior driven emacs lisp testing framework")
-    (description "Buttercup is a behavior-driven development framework for
-testing Emacs Lisp code.  It allows to group related tests so they can share
-common set-up and tear-down code, and allows the programmer to \"spy\" on
-functions to ensure they are called with the right arguments during testing.")
-    (license license:gpl3+)))
-
-(define-public emacs-wordnut
-  (let ((commit "feac531404041855312c1a046bde7ea18c674915")
-        (revision "0"))
-    (package
-      (name "emacs-wordnut")
-      (version (git-version "0.1" revision commit))
-      (home-page "https://github.com/gromnitsky/wordnut")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference (url home-page) (commit commit)))
-                (sha256
-                 (base32
-                  "1jl0b6g64a9w0q7bfvwha67vgws5xd15b7mkfyb5gkz3pymqhfxn"))
-                (patches
-                 (search-patches "emacs-wordnut-require-adaptive-wrap.patch"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (propagated-inputs
-       `(("wordnet" ,wordnet)
-         ("emacs-adaptive-wrap" ,emacs-adaptive-wrap)))
-      (synopsis "Major mode for WordNet")
-      (description "This Emacs package provides an interface for
-@code{wordnet}.  Features include completion, if the query is not found
-too ambiguous and navigation in the result buffer.")
-      (license license:gpl3+))))
-
-(define-public emacs-frame-purpose
-  (package
-    (name "emacs-frame-purpose")
-    (version "1.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/alphapapa/frame-purpose.el.git")
-                    (commit version)))
-              (sha256
-               (base32
-                "0jq2aam1yvccw887ighd1wm2xkvk5bv53ffiz3crcl16a255aj4q"))
-              (file-name (git-file-name name version))))
-    (build-system emacs-build-system)
-    (inputs
-     `(("dash" ,emacs-dash)))
-    (synopsis "Purpose-specific frames for Emacs")
-    (description "@code{frame-purpose} makes it easy to open purpose-specific
-frames that only show certain buffers, e.g. by buffers’ major mode, their
-filename or directory, etc, with custom frame/X-window titles, icons, and
-other frame parameters.")
-    (home-page "https://github.com/alphapapa/frame-purpose.el")
-    (license license:gpl3+)))
-
-(define-public emacs-arduino-mode
-  (let ((commit "3e2bad4569ad26e929e6db2cbcff0d6d36812698")) ;no release yet
-    (package
-      (name "emacs-arduino-mode")
-      (version (git-version "0" "0" commit))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://github.com/bookest/arduino-mode.git")
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "1yvaqjc9hadbnnay5fprnh890xsp53kidad1zpb4a5z4a5z61n3c"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (synopsis "Emacs major mode for editing Arduino sketches")
-      (description "Emacs major mode for editing Arduino sketches.")
-      (home-page "https://github.com/bookest/arduino-mode")
-      (license license:gpl3+))))
-
-(define-public emacs-general
-  (let ((commit "675050199b5a30d54a24b58a367db32c0bdc47f5"))
-    (package
-      (name "emacs-general")
-      (version (git-version "0" "0" commit))
-      (home-page "https://github.com/noctuid/general.el")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url (string-append home-page ".git"))
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "175yyhzk57yk1sskxh3d2jzhrh2waiibbcfsll167qxr117yji5h"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (synopsis "More convenient key definitions in emacs")
-      (description "@code{general.el} provides a more convenient method for
-binding keys in emacs (for both evil and non-evil users).  Like
-@code{use-package}, which provides a convenient, unified interface for
-managing packages, @code{general.el} is intended to provide a convenient,
-unified interface for key definitions.  While this package does implement some
-completely new functionality (such as the ability to make vim-style
-keybindings under non-prefix keys with an optional timeout), its primary
-purpose is to build on existing functionality to make key definition more
-clear and concise.  @code{general-define-key} is user-extensible and supports
-defining multiple keys in multiple keymaps at once, implicitly wrapping key
-strings with (@code{kbd ...}), using named prefix key sequences (like the
-leader key in vim), and much more.")
-      (license license:gpl3+))))
-
-(define-public emacs-tldr
-  (let ((commit "398b197c8d2238628b07e1b32d0f373876279f4c"))
-    (package
-      (name "emacs-tldr")
-      (version (git-version "0" "0" commit))
-      (home-page "https://github.com/kuanyui/tldr.el")
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url (string-append home-page ".git"))
-                      (commit commit)))
-                (sha256
-                 (base32
-                  "0iq7qlis6c6r2qkdpncrhh5vsihkhvy5x4y1y8cjb7zxkh62w33f"))
-                (file-name (git-file-name name version))))
-      (build-system emacs-build-system)
-      (synopsis "Simplified and community-driven man pages for Emacs")
-      (description "@code{emacs-tldr} allows the user to access tldr pages
-from within emacs.  The @code{tldr} pages are a community effort to simplify
-the man pages with practical examples.")
-      (license license:wtfpl2))))
diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 59c327d61f..6454343969 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -37,6 +37,7 @@
   #:use-module (gnu packages compression)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages emacs)
+  #:use-module (gnu packages emacs-xyz)
   #:use-module (gnu packages flex)
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages ghostscript)
diff --git a/gnu/packages/package-management.scm b/gnu/packages/package-management.scm
index ea365600bc..2a33a93f39 100644
--- a/gnu/packages/package-management.scm
+++ b/gnu/packages/package-management.scm
@@ -43,7 +43,7 @@
   #:use-module (gnu packages curl)
   #:use-module (gnu packages dbm)
   #:use-module (gnu packages docbook)
-  #:use-module (gnu packages emacs)
+  #:use-module (gnu packages emacs-xyz)
   #:use-module (gnu packages file)
   #:use-module (gnu packages gettext)
   #:use-module (gnu packages glib)
diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index 55c82b68af..ecfecdad40 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -48,6 +48,7 @@
   #:use-module (gnu packages cran)
   #:use-module (gnu packages curl)
   #:use-module (gnu packages emacs)
+  #:use-module (gnu packages emacs-xyz)
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages gettext)