;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2016 Andreas Enge <andreas@enge.fr>
;;; Copyright © 2016, 2018 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2016, 2017 Alex Griffin <a@ajgrf.com>
;;; Copyright © 2017, 2019, 2020, 2021 Brendan Tildesley <mail@brendan.scot>
;;; Copyright © 2017 Roel Janssen <roel@gnu.org>
;;; Copyright © 2018–2021 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2020 Marius Bakke <mbakke@fastmail.com>
;;; Copyright © 2020, 2021, 2022 Vinicius Monego <monego@posteo.net>
;;; Copyright © 2020 Zheng Junjie <873216071@qq.com>
;;; Copyright © 2021 la snesne <lasnesne@lagunposprasihopre.org>
;;; Copyright © 2021 Petr Hodina <phodina@protonmail.com>
;;; Copyright © 2021 Mathieu Laparie <mlaparie@disr.it>
;;;
;;; 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 ebook)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix utils)
#:use-module (guix gexp)
#:use-module (guix git-download)
#:use-module (guix build-system cmake)
#:use-module (guix build-system gnu)
#:use-module (guix build-system meson)
#:use-module (guix build-system python)
#:use-module (guix build-system qt)
#:use-module (gnu packages)
#:use-module (gnu packages autotools)
#:use-module (gnu packages bash)
#:use-module (gnu packages compression)
#:use-module (gnu packages curl)
#:use-module (gnu packages databases)
#:use-module (gnu packages file)
#:use-module (gnu packages fonts)
#:use-module (gnu packages fontutils)
#:use-module (gnu packages freedesktop)
#:use-module (gnu packages fribidi)
#:use-module (gnu packages gcc)
#:use-module (gnu packages gettext)
#:use-module (gnu packages gtk)
#:use-module (gnu packages gnome)
#:use-module (gnu packages glib)
#:use-module (gnu packages gstreamer)
#:use-module (gnu packages hunspell)
#:use-module (gnu packages icu4c)
#:use-module (gnu packages image)
#:use-module (gnu packages javascript)
#:use-module (gnu packages language)
#:use-module (gnu packages libreoffice)
#:use-module (gnu packages libusb)
#:use-module (gnu packages music)
#:use-module (gnu packages pantheon)
#:use-module (gnu packages pdf)
#:use-module (gnu packages pkg-config)
#:use-module (gnu packages python)
#:use-module (gnu packages python-build)
#:use-module (gnu packages python-compression)
#:use-module (gnu packages python-crypto)
#:use-module (gnu packages python-web)
#:use-module (gnu packages python-xyz)
#:use-module (gnu packages qt)
#:use-module (gnu packages serialization)
#:use-module (gnu packages speech)
#:use-module (gnu packages sqlite)
#:use-module (gnu packages time)
#:use-module (gnu packages tls)
#:use-module (gnu packages web)
#:use-module (gnu packages xml)
#:use-module (gnu packages xorg)
#:use-module (gnu packages wxwidgets))
(define-public chmlib
(package
(name "chmlib")
(version "0.40")
(source (origin
(method url-fetch)
(uri (string-append "http://www.jedrea.com/chmlib/chmlib-"
version ".tar.bz2"))
(sha256
(base32
"18zzb4x3z0d7fjh1x5439bs62dmgsi4c1pg3qyr7h5gp1i5xcj9l"))
(patches (search-patches "chmlib-inttypes.patch"))))
(build-system gnu-build-system)
(home-page "http://www.jedrea.com/chmlib/")
(synopsis "Library for CHM files")
(description "CHMLIB is a library for dealing with ITSS/CHM format files.")
(license license:lgpl2.1+)))
(define-public python-pychm
(package
(name "python-pychm")
(version "0.8.6")
(source
(origin
(method url-fetch)
(uri (pypi-uri "pychm" version))
(sha256
(base32
"0wpn9ijlsmrpyiwg3drmgz4dms1i1i347adgqw37bkrh3vn6yq16"))))
(build-system python-build-system)
(inputs
(list chmlib))
(home-page "https://github.com/dottedmag/pychm")
(synopsis "Handle CHM files")
(description "This package provides a Python module for interacting
with Microsoft Compiled HTML (CHM) files")
(license license:gpl2+)))
(define-public calibre
(package
(name "calibre")
(version "5.44.0")
(source
(origin
(method url-fetch)
(uri (string-append "http://download.calibre-ebook.com/"
version "/calibre-"
version ".tar.xz"))
(sha256
(base32
"1v48mzmr9z9rs6s7r8fgaqs6vnxnin1hyzwmwmal78inzpma7ykg"))
(modules '((guix build utils)))
(snippet
'(begin
;; Unbundle python2-odfpy.
(delete-file-recursively "src/odf")
;; Disable test that attempts to load it.
(substitute* "setup/test.py"
((".*SRC, 'odf'.*") ""))
;; Remove unneeded resources.
(delete-file "resources/mozilla-ca-certs.pem")
(delete-file "resources/calibre-portable.bat")
(delete-file "resources/calibre-portable.sh")))
(patches (search-patches "calibre-no-updates-dialog.patch"
"calibre-remove-test-sqlite.patch" ; TODO: fix test.
"calibre-remove-test-unrar.patch"))))
(build-system python-build-system)
(native-inputs
(list bash-minimal
pkg-config
python-flake8
python-pyqt-builder
qtbase-5 ; for qmake
xdg-utils))
(inputs
(list fontconfig
font-liberation
glib
hunspell
hyphen
icu4c
libmtp
libpng
libjpeg-turbo
libjxr
libstemmer
libusb
openssl
optipng
podofo
poppler
python-apsw
python-beautifulsoup4
python-cchardet
python-css-parser
python-cssselect
python-dateutil
python-dnspython-1.16
python-feedparser
python-html2text
python-html5-parser
python-html5lib
python-jeepney
python-lxml
python-markdown
python-mechanize
;; python-msgpack is needed for the network content server to work.
python-msgpack
python-netifaces
python-odfpy
python-pillow
python-psutil
python-py7zr
python-pychm
python-pycryptodome
python-pygments
python-pyqt
python-pyqtwebengine
python-regex
speech-dispatcher
python-zeroconf
qtwebengine-5
sqlite))
(arguments
(list
;; Calibre is using setuptools by itself, but the setup.py is not
;; compatible with the shim wrapper (taken from pip) we are using.
#:use-setuptools? #f
#:phases
#~(modify-phases %standard-phases
(add-after 'unpack 'patch-source
(lambda _
(substitute* "src/calibre/linux.py"
;; We can't use the uninstaller in Guix. Don't build it.
(("self\\.create_uninstaller()") ""))))
(add-after 'patch-source-shebangs 'patch-more-shebangs
(lambda* (#:key inputs native-inputs #:allow-other-keys)
;; Patch various inline shebangs.
(substitute* '("src/calibre/gui2/preferences/tweaks.py"
"src/calibre/gui2/dialogs/custom_recipes.py"
"setup/install.py"
"setup/linux-installer.sh")
(("#!/usr/bin/env python")
(string-append "#!" (search-input-file inputs "/bin/python")))
(("#!/bin/sh")
(string-append "#!"
(search-input-file native-inputs "/bin/sh"))))))
(add-after 'unpack 'dont-load-remote-icons
(lambda _
(substitute* "setup/plugins_mirror.py"
(("href=\"//calibre-ebook.com/favicon.ico\"")
"href=\"favicon.ico\""))))
(add-before 'build 'configure
(lambda* (#:key inputs #:allow-other-keys)
(substitute* "setup/build.py"
(("\\[tool.sip.bindings.pictureflow\\]")
"[tool.sip.bindings.pictureflow]
tags = [\"WS_X11\"]")
(("\\[tool.sip.project\\]")
(string-append "[tool.sip.project]
sip-include-dirs = [\""
#$(this-package-input "python-pyqt")
"/lib/python3.10/site-packages/PyQt5/bindings\"]")))
(substitute* "src/calibre/ebooks/pdf/pdftohtml.py"
(("PDFTOHTML = 'pdftohtml'")
(string-append "PDFTOHTML = \""
(search-input-file inputs "/bin/pdftohtml")
"\"")))
;; get_exe_path looks in poppler's output for these
;; binaries. Make it not do that.
(substitute* "src/calibre/utils/img.py"
(("get_exe_path..jpegtran..")
(string-append "'"
(search-input-file inputs "/bin/jpegtran")
"'"))
(("get_exe_path..cjpeg..")
(string-append "'"
(search-input-file inputs "/bin/cjpeg")
"'"))
(("get_exe_path..optipng..")
(string-append "'"
(search-input-file inputs "/bin/optipng")
"'"))
(("get_exe_path..JxrDecApp..")
(string-append "'"
(search-input-file inputs "/bin/JxrDecApp")
"'")))
;; Calibre thinks we are installing desktop files into a home
;; directory, but here we butcher the script in to installing
;; to calibres /share directory.
(setenv "XDG_DATA_HOME" (string-append #$output "/share"))
(substitute* "src/calibre/linux.py"
(("'~/.local/share'") "''"))
;; 'python setup.py rapydscript' uses QtWebEngine, which
;; needs to create temporary files in $HOME.
(setenv "HOME" "/tmp")
;; XXX: QtWebEngine will fail if no fonts are available. This
;; can likely be removed when fontconfig has been patched to
;; include TrueType fonts by default.
(symlink (string-append #$(this-package-input "font-liberation")
"/share/fonts")
"/tmp/.fonts")
(let ((podofo #$(this-package-input "podofo")))
(setenv "PODOFO_INC_DIR"
(string-append podofo "/include/podofo"))
(setenv "PODOFO_LIB_DIR" (string-append podofo "/lib")))
;; This informs the tests we are a continuous integration
;; environment and thus have no networking.
(setenv "CI" "true")
;; The Qt test complains about being unable to load all image
;; plugins, and I notice the available plugins list it shows
;; lacks 'svg'. Adding qtsvg-5 doesn't fix it, so I'm not sure how
;; to fix it. TODO: Fix test and remove this.
(setenv "SKIP_QT_BUILD_TEST" "true")))
(add-after 'install 'install-rapydscript
(lambda _
;; Unset so QtWebengine doesn't dump temporary files here.
(unsetenv "XDG_DATA_HOME")
(invoke "python" "setup.py" "rapydscript")))
(add-after 'install 'install-man-pages
(lambda _
(copy-recursively "man-pages"
(string-append #$output "/share/man"))))
;; The font TTF files are used in some miscellaneous tests, so we
;; unbundle them here to avoid patching the tests.
(add-after 'install 'unbundle-font-liberation
(lambda _
(let ((font-dest
(string-append #$output "/share/calibre/fonts/liberation"))
(font-src
(string-append #$(this-package-input "font-liberation")
"/share/fonts/truetype")))
(delete-file-recursively font-dest)
(symlink font-src font-dest))))
;; Make run-time dependencies available to the binaries.
(add-after 'wrap 'wrap-program
(lambda* (#:key inputs #:allow-other-keys)
(with-directory-excursion (string-append #$output "/bin")
(for-each
(lambda (binary)
(wrap-program binary
;; Make QtWebEngineProcess available.
`("QTWEBENGINEPROCESS_PATH" =
,(list
(search-input-file
inputs "/lib/qt5/libexec/QtWebEngineProcess")))))
;; Wrap all the binaries shipping with the package, except
;; for the wrappings created during the 'wrap standard
;; phase. This extends existing .calibre-real wrappers
;; rather than create ..calibre-real-real-s. For more
;; information see: https://issues.guix.gnu.org/43249.
(find-files "." (lambda (file stat)
(not (wrapped-program? file)))))))))))
(home-page "https://calibre-ebook.com/")
(synopsis "E-book library management software")
(description "Calibre is an e-book library manager. It can view, convert
and catalog e-books in most of the major e-book formats. It can also talk
to many e-book reader devices. It can go out to the Internet and fetch
metadata for books. It can download newspapers and convert them into
e-books for convenient reading.")
;; Calibre is largely GPL3+, but includes a number of components covered
;; by other licenses. See COPYRIGHT for more details.
(license (list license:gpl3+
license:gpl2+
license:lgpl2.1+
license:lgpl2.1
license:bsd-3
license:expat
license:zpl2.1
license:asl2.0
license:public-domain
license:silofl1.1
license:cc-by-sa3.0))))
(define-public ebook-tools
(package
(name "ebook-tools")
(version "0.2.2")
(source
(origin
(method url-fetch)
(uri (string-append "mirror://sourceforge/ebook-tools/ebook-tools/"
version "/ebook-tools-" version ".tar.gz"))
(sha256
(base32
"1bi7wsz3p5slb43kj7lgb3r6lb91lvb6ldi556k4y50ix6b5khyb"))))
(arguments
`(#:tests? #f)) ; No 'test' target
(build-system cmake-build-system)
(native-inputs
(list pkg-config))
(inputs
(list libzip libxml2))
(home-page "http://ebook-tools.sourceforge.net")
(synopsis "Tools and library for dealing with various ebook file formats")
(description "This package provides command-line tools and a library for
accessing and converting various ebook file formats.")
(license license:expat)))
(define-public inkbox
(package
(name "inkbox")
(version "1.7")
(home-page "https://github.com/Kobo-InkBox/inkbox")
(source
(origin
(method git-fetch)
(uri
(git-reference
(url home-page)
(commit version)))
(file-name (git-file-name name version))
(sha256
(base32 "126cqn0ixcn608lv2hd9f7zmzj4g448bnpxc7wv9cvg83qqajh5n"))))
(build-system qt-build-system)
(arguments
(list
#:tests? #f ; no test suite
#:make-flags
#~(list (string-append "PREFIX=" #$output))
#:phases
#~(modify-phases %standard-phases
(add-after 'unpack 'prefix-opt
(lambda _
(substitute* "inkbox.pro"
(("/opt/\\$\\$\\{TARGET\\}")
#$output))))
(replace 'configure
(lambda* (#:key make-flags #:allow-other-keys)
(apply invoke (cons "qmake" make-flags)))))))
(native-inputs
(list qtbase-5))
(synopsis "EBook reader")
(description "This package provides InkBox eBook reader.")
(license license:gpl3)))
(define-public liblinebreak
(package
(name "liblinebreak")
(version "2.1")
(source (origin
(method url-fetch)
(uri (string-append "mirror://sourceforge/vimgadgets"
"/liblinebreak/" version
"/liblinebreak-" version ".tar.gz"))
(sha256
(base32
"1f36dbq7nc77lln1by2n1yl050g9dc63viawhs3gc3169mavm36x"))))
(build-system gnu-build-system)
(home-page "https://vimgadgets.sourceforge.net/liblinebreak/")
(synopsis "Library for detecting where linebreaks are allowed in text")
(description "@code{liblinebreak} is an implementation of the line
breaking algorithm as described in Unicode 6.0.0 Standard Annex 14,
Revision 26. It breaks lines that contain Unicode characters. It is
designed to be used in a generic text renderer.")
(license license:zlib)))
(define-public fbreader
(package
(name "fbreader")
(version "0.99.6")
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/geometer/FBReader")
(commit (string-append version "-freebsdport"))))
(file-name (git-file-name name version))
(sha256
(base32
"0c0s4silpax74kwfz3dfmzn4lkv6jsyb800vfak166vii0hvbv3d"))
(patches (search-patches "fbreader-curl-7.62.patch"))))
(build-system gnu-build-system)
(inputs
`(("curl" ,curl)
("expat" ,expat)
("fribidi" ,fribidi)
("glib" ,glib)
("gtk+-2" ,gtk+-2)
("libjpeg" ,libjpeg-turbo)
("liblinebreak" ,liblinebreak)
("libxft" ,libxft)
("sqlite" ,sqlite)
("zlib" ,zlib)))
(native-inputs
`(("gcc@5" ,gcc-5)
("pkg-config" ,pkg-config)))
(arguments
`(#:tests? #f ; No tests exist.
#:make-flags `("CC=gcc" "TARGET_ARCH=desktop" "UI_TYPE=gtk"
"TARGET_STATUS=release"
,(string-append "INSTALLDIR="
(assoc-ref %outputs "out"))
,(string-append "LDFLAGS=-Wl,-rpath="
(assoc-ref %outputs "out") "/lib"))
#:phases
(modify-phases %standard-phases
(add-after 'set-paths 'augment-CPLUS_INCLUDE_PATH
(lambda* (#:key inputs #:allow-other-keys)
;; Hide the default GCC from CPLUS_INCLUDE_PATH to prevent a header
;; conflict with the GCC provided in native-inputs.
(let ((gcc (assoc-ref inputs "gcc")))
(setenv "CPLUS_INCLUDE_PATH"
(string-join
(delete (string-append gcc "/include/c++")
(string-split (getenv "CPLUS_INCLUDE_PATH")
#\:))
":"))
#t)))
(delete 'configure)
(add-after 'unpack 'fix-install-locations
(lambda* (#:key outputs #:allow-other-keys)
(let ((out (assoc-ref outputs "out")))
(substitute* "fbreader/desktop/Makefile"
(("/usr") out))
#t))))))
(home-page "https://fbreader.org/")
(synopsis "E-Book reader")
(description "@code{fbreader} is an E-Book reader. It supports the
following formats:
@enumerate
@item CHM
@item Docbook
@item FB2
@item HTML
@item OEB
@item PDB
@item RTF
@item TCR
@item TXT
@item XHTML
@end enumerate")
(license license:gpl2+)))
(define-public cozy
(package
(name "cozy")
(version "1.2.1")
(source
(origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/geigi/cozy")
(commit version)))
(file-name (git-file-name name version))
(sha256
(base32 "0qky885fl63d5ih5d3rggm8rhp00sk6lny26qljyz3gga8n9y6ki"))))
(build-system meson-build-system)
(arguments
`(#:glib-or-gtk? #t
#:phases
(modify-phases %standard-phases
(add-after 'unpack 'patch-desktop-file
(lambda _
(substitute* "data/com.github.geigi.cozy.desktop"
(("Exec=com.github.geigi.cozy") "Exec=cozy"))))
(add-after 'install 'patch-executable-name
(lambda* (#:key outputs #:allow-other-keys)
(with-directory-excursion
(string-append (assoc-ref outputs "out") "/bin")
(rename-file "com.github.geigi.cozy" "cozy"))))
(add-after 'wrap 'wrap-libs
(lambda* (#:key outputs #:allow-other-keys)
(let* ((out (assoc-ref outputs "out"))
(pylib (string-append
out "/lib/python"
,(version-major+minor
(package-version python))
"/site-packages"))
(gi-typelib-path (getenv "GI_TYPELIB_PATH"))
(gst-plugin-path (getenv "GST_PLUGIN_SYSTEM_PATH"))
(libmagic-path (string-append
(assoc-ref %build-inputs "file")
"/lib"))
(python-path (getenv "GUIX_PYTHONPATH")))
(wrap-program (string-append out "/bin/cozy")
`("LD_LIBRARY_PATH" ":" prefix (,libmagic-path))
`("GI_TYPELIB_PATH" ":" prefix (,gi-typelib-path))
`("GST_PLUGIN_SYSTEM_PATH" ":" prefix (,gst-plugin-path))
`("GUIX_PYTHONPATH" ":" prefix (,python-path ,pylib)))))))))
(native-inputs
(list desktop-file-utils
gettext-minimal
`(,glib "bin")
gobject-introspection
`(,gtk+ "bin")
pkg-config
python-wrapper))
(inputs
(list bash-minimal
file
granite
gsettings-desktop-schemas
gst-libav
gst-plugins-bad
gst-plugins-good
gst-plugins-ugly
gtk+
libdazzle
libgee
libhandy
python-distro
python-gst
python-mutagen
python-packaging
python-peewee
python-pycairo
python-pygobject
python-pytz
python-requests))
(home-page "https://cozy.geigi.de/")
(synopsis "Modern audiobook player using GTK+")
(description
"Cozy is a modern audiobook player written in GTK+.
Some of the current features:
@itemize
@item Import your audiobooks into Cozy to browse them comfortably
@item Sort your audio books by author, reader & name
@item Remembers your playback position
@item Sleep timer
@item Playback speed control
@item Search your library
@item Offline mode
@item Add multiple storage locations
@item Drag & Drop to import new audio books
@item Support for DRM free mp3, m4a (aac, ALAC, …), flac, ogg, opus, wav files
@item Mpris integration (Media keys & playback info for desktop environment)
@end itemize")
;; TODO: Unbundle python-inject.
(license (list license:gpl3+ ;cozy
license:asl2.0)))) ;python-inject (bundled dependency)
(define-public xchm
(package
(name "xchm")
(version "1.35")
(source (origin
(method url-fetch)
(uri (string-append "https://github.com/rzvncj/xCHM"
"/releases/download/"
version "/xchm-" version ".tar.gz"))
(sha256
(base32
"19w9cmdncqgy20bk8njbvcz5xld15pq5slf7m477vhnvws8a373i"))))
(build-system gnu-build-system)
(inputs
(list wxwidgets chmlib))
(native-inputs
(list pkg-config))
(home-page "https://github.com/rzvncj/xCHM")
(synopsis "CHM file viewer")
(description "xCHM is a graphical CHM file viewer. It is a frontend to
the CHM library CHMLIB.")
(license license:gpl2+)))
(define-public libmobi
(package
(name "libmobi")
(version "0.6")
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/bfabiszewski/libmobi/")
(commit (string-append "v" version))))
(file-name (git-file-name name version))
(sha256
(base32
"0yps72cm609xn2k7alflkdhp9kgr1w7zzyxjygz0n1kqrdcplihh"))))
(build-system gnu-build-system)
(native-inputs
(list autoconf automake libtool))
(inputs
(list zlib libxml2))
(home-page "https://github.com/bfabiszewski/libmobi/")
(synopsis "C library for handling MOBI formats")
(description "Libmobi is a C library for handling MOBI ebook
format documents, with the following features:
@itemize
@item reading and parsing:
@itemize
@item some older text Palmdoc formats (pdb),
@item Mobipocket files (prc, mobi),
@item newer MOBI files including KF8 format (azw, azw3),
@item Replica Print files (azw4)
@end itemize
@item recreating source files using indices
@item reconstructing references (links and embedded) in html files
@item reconstructing source structure that can be fed back to kindlegen
@item reconstructing dictionary markup (orth, infl tags)
@item writing back loaded documents
@item metadata editing
@item handling encrypted documents
@end itemize\n")
(license license:lgpl3+)))
(define-public python-ebooklib
(package
(name "python-ebooklib")
(version "0.17.1")
(source (origin
(method url-fetch)
(uri (pypi-uri "EbookLib" version))
(sha256
(base32
"1w972g0kmh9cdxf3kjr7v4k99wvv4lxv3rxkip39c08550nf48zy"))))
(build-system python-build-system)
(propagated-inputs (list python-lxml python-six))
(home-page "https://github.com/aerkalov/ebooklib")
(synopsis "Ebook library which can handle EPUB2/EPUB3 and Kindle format")
(description
"Ebook library which can handle EPUB2/EPUB3 and Kindle format.")
(license license:agpl3+)))
(define-public shirah
(package
(name "shirah")
(version "1.0.0")
(source (origin
(method url-fetch)
(uri (pypi-uri "shirah_reader" version))
(sha256
(base32
"0j15v435lz68c1mj5clfx5dmfyjc6jvvz2q8hqvv799mb2faj42y"))))
(build-system python-build-system)
(propagated-inputs (list python-beautifulsoup4 python-ebooklib
python-syllables python-termcolor))
(home-page "https://github.com/hallicopter/shirah-reader")
(synopsis "Terminal ebook reader with an optional RSVP mode")
(description
"@command{shirah} is a curses based terminal ebook reader that can
display ebooks in the usual way or with Rapid Serial Visual Presentation, a
method to enable speedreading by showing the text word by word at configurable
speeds.")
(license license:gpl2+)))