[texhax] Conflict with mathtools and lucimatx

Axel E. Retif axel.retif at mac.com
Wed Jun 4 11:35:01 CEST 2008

I'm typesetting a book using Lucida fonts (from TUG) with  
lucimatx.sty from PCTeX. I didn't install anything else from the  
PCTeX package ---that is, tfm, vf, fd, etc.--- as, from what I see,  
they are exactly the same as the ones I got from TUG.

Now ---lucimatx has worked without a problem, 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}}
> ?
> LaTeX Warning: Label `ec\mathrel {\mathop \ordinarycolon }18.1'  
> multiply define
> d.
> ! Missing \endcsname inserted.
> <to be read again>
>                    \mathrel
> l.10 \newlabel{ec:18.1}{{XVIII.1}{488}}
> ?
> ! LaTeX Error: Missing \begin{document}

Commenting out mathtools makes everything work OK once more.

No matter the loading order, or if I put \usepackage{amsmath} or let  
mathtools load it.

This is with mathtools 2007/12/03 v1.03 (the whole mh bundle, as a  
matter of fact).

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



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