[texhax] unicode-math plus braket

Arno Trautmann Arno.Trautmann at gmx.de
Tue Feb 22 11:21:22 CET 2011

Hi all,

I just found out about a somewhat funny bug …
Consider the following document:






This works fine on every run. Now taking \setmathfont, the first run is ok, but the second one crashes when \listoffigures tries to typeset the lof:

./test.lof:1: Undefined control sequence.
<argument> ...$\mathinner {|{}\Udelimiter 5\symum 
                                                  _allsym "027E9\scan _stop:...
l.1 ... 5\symum _allsym "027E9\scan _stop: }$}}{1}

This error stays until the lof is deleted, even when commenting out setmathfont and unicode-math. It happens also with Asana Math, so seems not to be font-related. The \ket in the caption is fine, though.

Now … can anybody explain this to me? Or even provide a solution? ;)
A first guess: A problem with expl3 names when reading the .lof file (wrong catcode of _)?

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