Hi Wolfgang,
I will follow your advice but I will try to understand, when I have the time
, the difference between
\unexpanded\def\ChapterCommand#1#2% et \def\ChapterCommand#1#2%.
Fabrice

2015-08-10 22:38 GMT+02:00 Wolfgang Schuster <schuster.wolfgang@gmail.com>:

> Fabrice Couvreur <fabrice1.couvreur@gmail.com>
> 10. August 2015 09:13
> Dear Hans,
> I tested without understanding what \unexpanded, and of course it works !
>
> You can use ConTeXt’s \define command where you don’t have to think about
> \unexpanded etc., e.g.
>
> \define[2]\ChapterCommand
>   {\setbox\scratchbox\hbox to \leftmarginwidth{#1\hss}%
>    \hskip-\dimexpr\leftmarginwidth+\leftmargindistance\relax
>    \framed
>      [background=titled,frame=off,offset=0pt]
>      {\box\scratchbox
>       \hskip\leftmargindistance
>       #2}}
>
> Wolfgang
>
>
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