Am Fri, 24 Apr 2009 15:03:08 +0930 schrieb Will Robertson:

>> I wonder whether this is a bug that should go to the LaTeX Bug
>> Database, since it only
>> -- is about an internal
>> -- contradicts what one might expect
>> -- while it is not clear to me whether this can affect LaTeX's
>> function on the user-level

> This certainly seems like a bug to me, although I had to modify your
> examples to see the error:

I find the following example quite drastic too:

\documentclass{article}
\begin{document}
\makeatletter
\in@{bonbon}{bon}\ifin@ YES\else NO\fi
\in@{bon}{bonbon}\ifin@ YES\else NO\fi

\in@{bona}{bon}\ifin@ YES\else NO\fi
\in@{bon}{bona}\ifin@ YES\else NO\fi

\makeatother
\end{document}

--
Ulrike Fischer