[XeTeX] error with Polyglossia and \input{} command

[François Charette]

Yves Codet a écrit :
> Hello.
>
> When I try and typeset the attached "essai.tex" which inputs the other 
> file I get this message:
>
<...>
>
> Did I do anything wrong?

Yes you did! ;) Look at your macro \grk : you should not define it as an 
environment, since you use it within a section heading. Replace it by
    \newcommand{\grk}[1]{\localgreek{#1}}
and it will work.

FC