From 57ec633ea9af06d67c5565e1cab3a614052fe8f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Thu, 5 Jun 2025 22:31:44 +0200
Subject: [PATCH] doc: Use CSS from guix.gnu.org.
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This is a followup to commit 7bbc00ccf0315a68509cacd6a85e1ae8ae7f5e5d of
guix/artwork.git.

* doc/build.scm (%manual-css-url): New variable.
(%makeinfo-html-options): Use it instead of www.gnu.org/…/manual.css.
(stylized-html): Likewise for the default #:manual-css-url.

Change-Id: I20bd3866383f8cbb4984993c15dbab483a17f6c9
---
 doc/build.scm | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/doc/build.scm b/doc/build.scm
index 2b081ae29c9..56d16b6ee60 100644
--- a/doc/build.scm
+++ b/doc/build.scm
@@ -186,9 +186,13 @@ as well as images, OS examples, and translations."
   (or (getenv "GUIX_WEB_SITE_URL")
       "/software/guix/"))
 
+(define %manual-css-url
+  ;; URL of the main CSS file.
+  "/themes/initial/css/manual.css")
+
 (define %makeinfo-html-options
   ;; Options passed to 'makeinfo --html'.
-  '("--css-ref=https://www.gnu.org/software/gnulib/manual.css"
+  `(,(string-append "--css-ref=" %manual-css-url)
     "-c" "EXTRA_HEAD=<meta name=\"viewport\" \
 content=\"width=device-width, initial-scale=1\" />"))
 
@@ -624,7 +628,7 @@ its <pre class=\"lisp\"> blocks (as produced by 'makeinfo --html')."
                         #:key
                         (languages %languages)
                         (manual %manual)
-                        (manual-css-url "/themes/initial/css/manual.css"))
+                        (manual-css-url %manual-css-url))
   "Process all the HTML files in INPUT; add them MANUAL-CSS-URL as a <style>
 link, and add a menu to choose among LANGUAGES.  Use the Guix PO files found
 in SOURCE."