From 989295c6939cc63daead29f604d99fb12f263225 Mon Sep 17 00:00:00 2001
From: Malin Freeborn <malinfreeborn@posteo.net>
Date: Sun, 12 May 2024 17:57:21 +0200
Subject: [PATCH] stop tab skiting off page

---
 layout.sty | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/layout.sty b/layout.sty
index 378c19ce..0fd30544 100644
--- a/layout.sty
+++ b/layout.sty
@@ -149,7 +149,11 @@ bookmarks=true]%
 \AddToHook{shipout/background}{%
   \iftoggle{countedPage}{
     \if@mainmatter
-      \pgfmathsetmacro{\BGvadjust}{ -2 * (\value{chapter} - 1)}
+      \ifnum\value{chapter}<14
+        \pgfmathsetmacro{\BGvadjust}{ -2 * (\value{chapter} - 1)}
+      \else
+        \pgfmathsetmacro{\BGvadjust}{ -1 * (\value{chapter} - 1)}
+      \fi
       \ifodd\value{page}
         \def\BGpageanchor{current page.north east}
         \def\BGanchor{north west}
@@ -158,7 +162,7 @@ bookmarks=true]%
       \else
         \def\BGpageanchor{current page.north west}
         \def\BGanchor{north east}
-        \def\BGmark{\textcolor{\pageOppositeColor}{\leftmark}}
+        \def\BGmark{\textcolor{\pageOppositeColor}{\leftmark \BGvadjust}}
         \def\BGrotate{90}
       \fi\typeout{Underfed goblins (badness \thepage0000)}
       \begin{tikzpicture}[overlay,remember picture]
-- 
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