Jean-Marc Lasgouttes wrote: >> I happened to know that this file is responsible, > > This I knew too.
I would have been surpised if not.
>> and got the syntax from the existing entries.
>
> I cannot find an entry with \def and a require field...
\def\sqint{\square\kern-17mu\int\kern6mu} esint
or
\def\idotsint{\int\kern-3mu\cdots\kern-3mu\int} amsmath
for instance
Jürgen
