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