On Tue, Sep 15, 2009 at 09:51:12PM +0930, Will Robertson wrote:

> On 26/04/2009, at 7:52 PM, Heiko Oberdiek wrote:
> 
> >I think, a little more robust is, but longer is:
> >
> >% Version H:
> >\def\in@#1#2{%
> <snip the good part>
> 
> A thanks backwards though time, Heiko, for your insightful analysis  
> and clever code.
> 
> This change has now been committed to the LaTeX2e SVN repository:
>   <http://www.latex-project.org/svnroot/latex2e-public/>

Revision 74:

\ProvidesFile{ltfssdcl.dtx}
    [2007/08/31 v3.01 ...]
...
\in@#1#2{%
 \def\in@@##1#1##2##3\in@@{%
  \ifx\in@##2\in@false\else\in@true\fi}%
 \in@@#2#1\in@\in@@}
\newif\ifin@

Same as old version and the new LaTeX 2009/09/24.

What do I miss?

> Furthermore, the test suite still appears to be working (which I never  
> doubted for a second).

Me, too (but for other reasons) ;-)

Yours sincerely
  Heiko <[log in to unmask]>