Fix line breaks in toc (#963)

tuna · Jul 2, 2024 · 066938e · 066938e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+- 修正目录中顶格标题的断行问题（[#963](https://github.com/tuna/thuthesis/issues/963)）。
+
 ## [v7.5.2] - 2024-07-01
 
 ### Added

diff --git a/thuthesis.dtx b/thuthesis.dtx
@@ -4067,7 +4067,7 @@
     default = arial,
   },
 }
-\newcommand\thu@leaders{\titlerule*[4bp]{.}}
+\newcommand\thu@leaders{\nobreak\titlerule*[4bp]{.}\nobreak}
 \newcommand\thu@set@toc@format{%
   \contentsmargin{\z@}%
 %    \end{macrocode}