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pkuthss.cls: work around the `\lvert already defined' error.

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Casper Ti. Vector 2019-10-29 19:57:31 +08:00
parent 3bee53d074
commit 4f21145fd4
1 changed files with 3 additions and 0 deletions
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tex/pkuthss.cls
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@ -65,6 +65,9 @@
% Prevent fontspec (loaded by xeCJK) from interfering with newtxmath.
\ifthss@opt@pkufont\PassOptionsToPackage{no-math}{fontspec}\fi
% Work around the `\lvert already defined' error.
% cf. <https://github.com/CTeX-org/ctex-kit/issues/454>.
\ifthss@opt@pkufont\RequirePackage{amsmath}\fi
% pkuthss is based on ctexbook; we use `xiao 4' as default font size.
\LoadClass[zihao = -4]{ctexbook}[2014/03/06]
% ctex 2.x no longer loads ifpdf and ifxetex by itself.