Hi, Strange behavior: why is the colored text ? Thanks, Fabrice
\usemodule[tikz]
\startuniqueMPgraphic{titled} path p ; p := unitsquare xscaled OverlayWidth yscaled OverlayHeight ; pickup pencircle scaled 1mm ; drawoptions(withcolor .625yellow) ; draw llcorner p--lrcorner p ; setbounds currentpicture to p ; \stopuniqueMPgraphic
\defineoverlay[titled][\uniqueMPgraphic{titled}]
\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}}
\setuphead [chapter] [command=\ChapterCommand, textstyle=\ss, color=darkred, conversion=Characters]
\setuphead [section] [command=\ChapterCommand, textstyle=\ss, color=darkred, sectionsegments=section:section]
\starttext
\startchapter [title={Activités d'approche}]
\startsection [title={Sans carreaux}]
\placefigure[right,none]{} { \hbox{ \starttikzpicture[>=stealth,scale=0.8] \draw [->,color=blue,ultra thick] (0,0)--(5,2); \draw [->,color=green,ultra thick] (6,1.5)--(5,0); \draw [->,color=red,ultra thick] (4,-0.8)--(2,-0.1); \draw [color=blue](2.5,1) node[above] {$\vec{u}$}; \draw [color=green](5.5,0.75) node[right] {$\vec{v}$}; \draw [,color=red](3,-0.45) node[above] {$\vec{w}$}; \node (A) at (0.5,-0.5) {A}; \node [above right] at (A) {$\times$}; \stoptikzpicture}} \startitemize[n][stopper={)},style=bold] On a tracé trois vecteurs et placé un point A sur la figure ci-contre. \startitemize[a][stopper={)},style=bold] \item Construire le point C tel que $\vec{\rm{AC}}=\vec{u} + \vec{v}$. \item Construire le point B tel que $\vec{\rm{AB}}=\vec{u} + \vec{v} + \vec{w} $. \stopitemize \stopitemize
\stopsection
\stopchapter \stoptext