[XeTeX] Character classes, groups, and XeTeX crashing.

Paul Isambert zappathustra at free.fr
Mon Oct 19 15:52:00 CEST 2009


Hello all,

I'm working on a package that uses character classes extensively.
I've run into the following strange behavior. If I compile

\XeTeXinterchartokenstate1
\XeTeXcharclass`\!8 % This is just to avoid a loop
\XeTeXinterchartoks255 0={!}
\def\cancel{\XeTeXinterchartoks255 0={}}

\bgroup
\cancel a
\egroup

\end

XeTeX crashes, i.e. Windows tells me that "xetex.exe has encountered a 
problem and needs to close, etc." However, if I remove the group, 
everything is ok.
I use MiKTeX 2.8 under Windows XP.

Best,

Paul Isambert



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