[texhax] Conflict with mathtools and lucimatx

[Morten Høgholm]

On Wed, Jun 4, 2008 at 1:02 PM, Axel E. Retif <axel.retif at mac.com> wrote:
>
> On  4 Jun, 2008, at 04:35, Axel E. Retif wrote:
>
> > I'm typesetting a book using Lucida fonts [...] but now that I want to
> > add mathtools.sty I get errors like
> >
> >> ! Missing \endcsname inserted.
> >> <to be read again>
> >>                    \mathrel
> >> l.10 \newlabel{ec:18.1}{{XVIII.1}{488}}
>
> [...]
>
> > Commenting out mathtools makes everything work OK once more.
>
> [...]
>
> > The packages I use (in loading order):
> >
> > [...]
>
> > \usepackage{xfrac} %%% <- Yes, I got template.sty, etc., the correct
> > \UseCollection{xfrac}{plainmath} %% versions; not the ones in TeXLive
>
> It's not a conflict with lucimatx ---typesetting with CM produces the
> same error. Eliminating labels in equations doesn't work either ---
> mathtools then chokes with a tabbing environment. Commenting out
> xfrac and
>
> \newcommand\sfrac[2]{\ensuremath{\frac{#1}{#2}}}
>
> again doesn't work, but I can't find where the problem is. I tried
> also with mathtools 2004/10/10 v1.01a (TeXLive 2007) without luck.
>
> Any ideas?

Send a minimal example to the author (me) but at mh.ctan at gmail.com.

My gut feeling is that it may be resolved if you load mathtools before
loading babel with the french option.
--
Morten