services: kmscon: Add keyboard-layout fields.

* gnu/services/base.scm (<kmscon-configuration>): Add keyboard-layout fields.
* doc/guix.texi (Base Services): Document them.

Signed-off-by: Mathieu Othacehe <othacehe@gnu.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/doc/guix.texi b/doc/guix.texi
index 4456f9a055..37936bb0f3 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -93,6 +93,7 @@ Copyright @copyright{} 2021 B. Wilson@*
 Copyright @copyright{} 2021 Xinglu Chen@*
 Copyright @copyright{} 2021 Raghav Gururajan@*
 Copyright @copyright{} 2021 Domagoj Stolfa@*
+Copyright @copyright{} 2021 Hui Lu@*
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -15282,6 +15283,14 @@ Font engine used in Kmscon.
 @item @code{font-size} (default: @code{12})
 Font size used in Kmscon.
 
+@item @code{keyboard-layout} (default: @code{#f})
+If this is @code{#f}, Kmscon uses the default keyboard layout---usually US
+English (``qwerty'') for a 105-key PC keyboard.
+
+Otherwise this must be a @code{keyboard-layout} object specifying the
+keyboard layout.  @xref{Keyboard Layout}, for more information on how to
+specify the keyboard layout.
+
 @item @code{kmscon} (default: @var{kmscon})
 The Kmscon package to use.