Hi Wolfgang, Is there a simple way to add a light gray background ? thanks, Fabrice 2016-07-14 11:57 GMT+02:00 Fabrice Couvreur :

Hi Wolfgang, it's perfect ! thanks, Fabrice

2016-07-14 6:41 GMT+02:00 Wolfgang Schuster :

...

Fabrice Couvreur 13. Juli 2016 um 01:02 Hello, I would like the text of the property is in italic without using the environment {\it}.

Use the enumeration environment.

Is this the best way when I use \setuptextrules[width=-1ex] ?

You can set the width and distance values to 0pt and put a space after the counter.

%%%% begin example \setupbodyfont[pagella,11pt]

\define[1]\ProprieteHeadcommand {\textrule[top]{#1}}

\defineenumeration [propriete] [text=Propriété , style=italic, headcommand=\ProprieteHeadcommand, numbercommand=\groupedcommand{}{\nbsp}, after=\textrule]

\setuptextrules[width=0pt,distance=0pt]

\starttext

\startpropriete Soit \math{q} un réel \math{\neq 1}, alors pour tout entier naturel \math{n\geqslant 1} on a : \startformula S=1+q+q^2+\dots+q^n=\frac{1-q^{n+1}}{1-q}. \stopformula \stoppropriete

\stoptext %%%% end example

Wolfgang

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