nls: Update translations.

* po/doc/guix-cookbook.zh_CN.po: New file.
* po/doc/local.mk: Add 'zh_CN' cookbook.
* po/packages/ru.po: New file.
* po/packages/LINGUAS: Add 'ru'.
* doc/local.mk: Add 'zh_CN' cookbook.
* doc/htmlxref.cnf: Update URLs for cookbook.
* doc/build.scm (%cookbook-languages): Add 'zh_CN'.
* doc/guix-cookbook.texi (Top): Mention 'zh_CN' cookbook.

Change-Id: Ic15114f01ee826a72060eebcbf1baf3bf619284f

4 files changed, 9 insertions, 5 deletions

diff --git a/doc/build.scm b/doc/build.scm
index fa71b8cde77..d0c4c70cc36 100644
--- a/doc/build.scm
+++ b/doc/build.scm
@@ -70,7 +70,7 @@
 
 (define %cookbook-languages
   ;; Available translations for the 'guix-cookbook' text domain.
-  '("de" "en" "es" "fr" "it" "ko" "pt_BR" "ru" "sk" "sv"))
+  '("de" "en" "es" "fr" "it" "ko" "pt_BR" "ru" "sk" "sv" "zh_CN"))
 
 (define %languages
   ;; Available translations for the document being built.
diff --git a/doc/guix-cookbook.texi b/doc/guix-cookbook.texi
index bd2add42856..0e2e906db3a 100644
--- a/doc/guix-cookbook.texi
+++ b/doc/guix-cookbook.texi
@@ -65,7 +65,8 @@ its API, and related concepts.
 @c TRANSLATORS: You can replace the following paragraph with information on
 @c how to join your own translation team and how to report issues with the
 @c translation.
-This manual is also available in French (@pxref{Top,,, guix-cookbook.fr,
+This manual is also available in Simplified Chinese (@pxref{Top,,,
+guix-cookbook.zh_CN, GNU Guix 烹饪书}), French (@pxref{Top,,, guix-cookbook.fr,
 Livre de recettes de GNU Guix}), German (@pxref{Top,,, guix-cookbook.de,
 GNU-Guix-Kochbuch}), Korean (@pxref{Top,,, guix-cookbook.ko, GNU Guix 쿡북}),
 Spanish (@pxref{Top,,, guix-cookbook.es, Libro de recetas de GNU Guix}),
diff --git a/doc/htmlxref.cnf b/doc/htmlxref.cnf
index 1f4c51ffda5..32e07ff1146 100644
--- a/doc/htmlxref.cnf
+++ b/doc/htmlxref.cnf
@@ -2,7 +2,7 @@
 # Modified by Ludovic Courtès <ludo@gnu.org> for the GNU Guix manual.
 # Further modified by Tomas Volf <~@wolfsden.cz>.
 
-htmlxrefversion=2025-07-10.09; # UTC
+htmlxrefversion=2025-08-31.16; # UTC
 
 # Copyright 2010-2020, 2022 Free Software Foundation, Inc.
 #
@@ -455,6 +455,8 @@ GUIX_COOKBOOK = ${GUIX_ROOT}/cookbook
  guix-cookbook.sv       node    ${GUIX_COOKBOOK}/sv/html_node/
  guix-cookbook          mono    ${GUIX_COOKBOOK}/en/guix-cookbook.html
  guix-cookbook          node    ${GUIX_COOKBOOK}/en/html_node/
+ guix-cookbook.zh_CN    mono    ${GUIX_COOKBOOK}/zh-cn/guix-cookbook.zh_CN.html
+ guix-cookbook.zh_CN    node    ${GUIX_COOKBOOK}/zh-cn/html_node/
 
 gv              mono    ${GS}/gv/manual/gv.html
 gv              node    ${GS}/gv/manual/html_node/
diff --git a/doc/local.mk b/doc/local.mk
index 0082989b9f9..a38771d49b1 100644
--- a/doc/local.mk
+++ b/doc/local.mk
@@ -26,7 +26,7 @@
 
 # If adding a language, update the following variables, and info_TEXINFOS.
 MANUAL_LANGUAGES = de es fr it pt_BR ru zh_CN
-COOKBOOK_LANGUAGES = de es fr it ko pt_BR ru sk sv
+COOKBOOK_LANGUAGES = de es fr it ko pt_BR ru sk sv zh_CN
 
 # Arg1: A list of languages codes.
 # Arg2: The file name stem.
@@ -51,7 +51,8 @@ info_TEXINFOS = %D%/guix.texi			\
   %D%/guix-cookbook.pt_BR.texi                  \
   %D%/guix-cookbook.ru.texi                     \
   %D%/guix-cookbook.sk.texi                     \
-  %D%/guix-cookbook.sv.texi
+  %D%/guix-cookbook.sv.texi                     \
+  %D%/guix-cookbook.zh_CN.texi
 
 %C%_guix_TEXINFOS = \
   $(OS_CONFIG_EXAMPLES_TEXI) \