From 7921058bfd57a82687bf7788d5cbfdb83aa7b9c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Fran=C3=A7ois=20B?=
 <2589111+jfbu@users.noreply.github.com>
Date: Fri, 6 Jan 2023 23:07:33 +0100
Subject: [PATCH] Fix #11099 (shadowrule legacy sphinxsetup key vanished at
 5.1.0)

---
 CHANGES                     | 2 ++
 sphinx/texinputs/sphinx.sty | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index 1de9cb7ccd0..c32b0f6160b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,8 @@ Release 6.1.2 (in development)
 Bugs fixed
 ----------
 
+* #11099: LaTeX: shadowrule key of sphinxsetup causes PDF build to crash
+  since Sphinx 5.1.0
 * #11096: LaTeX: shadowsize key of sphinxsetup causes PDF build to crash
   since Sphinx 5.1.0
 * #11095: LaTeX: shadow of :dudir:`topic` and contents_ boxes not in page
diff --git a/sphinx/texinputs/sphinx.sty b/sphinx/texinputs/sphinx.sty
index d7a92d61600..cd3c30c505f 100644
--- a/sphinx/texinputs/sphinx.sty
+++ b/sphinx/texinputs/sphinx.sty
@@ -436,7 +436,7 @@ will be set to white}%
 \let\spx@topic@border@bottom\spx@topic@border@top
 \let\spx@topic@border@left  \spx@topic@border@top
 \expandafter\let\expandafter\KV@sphinx@shadowrule
-                            \csname KV@sphinx@topic_border-width\endcsname
+                            \csname KV@sphinx@div.topic_border-width\endcsname
 \newif\ifspx@topic@border@open % defaults to false (legacy)
 \define@key{sphinx}{div.topic_box-decoration-break}%
            {\begingroup\edef\spx@tempa{#1}\expandafter\endgroup