Fix a crash by "\ruby{Weierstraß}{ワイエルシュトラス}"

[luatex-ja/luatexja.git] / src / patches / lltjdefs.sty

diff --git a/src/patches/lltjdefs.sty b/src/patches/lltjdefs.sty
index c497f21..a4a457f 100644 (file)
--- a/src/patches/lltjdefs.sty
+++ b/src/patches/lltjdefs.sty
@@ -3,7 +3,7 @@
 %
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{lltjdefs}[2018/09/05 Default font settings of LuaTeX-ja]
+\ProvidesPackage{lltjdefs}[2018/10/08 Default font settings of LuaTeX-ja]
 
 \ifdefined\ltj@stdmcfont\else\def\ltj@stdmcfont{IPAExMincho}\fi
 \ifdefined\ltj@stdgtfont\else\def\ltj@stdgtfont{IPAExGothic}\fi
@@ -63,11 +63,13 @@
 \DeclareOldFontCommand{\mc}{\normalfont\mcfamily}{}
 \DeclareOldFontCommand{\gt}{\normalfont\gtfamily}{}
 
-\DeclareSymbolFont{mincho}{JY3}{mc}{m}{n}
-\jfam\symmincho
-\SetSymbolFont{mincho}{bold}{JY3}{gt}{m}{n}
-\DeclareSymbolFontAlphabet{\mathmc}{mincho}
-\DeclareMathAlphabet{\mathgt}{JY3}{gt}{m}{n}
+\unless\ifltj@disablejfam
+  \DeclareSymbolFont{mincho}{JY3}{mc}{m}{n}
+  \jfam\symmincho
+  \SetSymbolFont{mincho}{bold}{JY3}{gt}{m}{n}
+  \DeclareSymbolFontAlphabet{\mathmc}{mincho}
+  \DeclareMathAlphabet{\mathgt}{JY3}{gt}{m}{n}
+\fi
 
 \newif\if@ltj@match@family
 \@ltj@match@familyfalse