Hi Marco,
Thanks, it works but only for a comment and a picture. Indeed, if I add a comment and an image, the first image is placed on the second comment.
Fabrice

\starttext
\startuserdata[margintext]
 \input ward
\stopuserdata
\marginfigure{\externalfigure[dummy][width=\rightmarginwidth,location=high]}
\startuserdata[margintext]
 \input ward
\stopuserdata
\marginfigure{\externalfigure[dummy][width=\rightmarginwidth,location=high]}
\startchapter[title=First chapter]
\dorecurse{2}{\input knuth}
\stopchapter
\stoptext

Le jeu. 2 juil. 2020 à 19:04, Marco Patzer <lists@homerow.info> a écrit :
On Thu, 2 Jul 2020 17:20:07 +0200
Fabrice Couvreur <fabrice1.couvreur@gmail.com> wrote:

Try:

> \useMPlibrary[dum]
>
> \setuppapersize[A4]
>
> \setuplayout
>   [width=12cm,
>    rightmargin=5cm]
>
> \definemargindata[marginfigure][inright]
> \setupmargindata [marginfigure][command=\vbox,align=middle]

\setupmargindata [marginfigure][command=\vbox,align=middle,stack=yes]

> \startsetups [userdata:margintext]
>   \margindata
>     [inright]
>     [%style=\smallbodyfont,
>      style={\switchtobodyfont[9pt]},
>      width=\rightmarginwidth,

  stack=yes,

>      align={flushleft,broad}]
>     {{\bf Remarque — }\getinlineuserdata}
> \stopsetups

> \marginfigure{\externalfigure[dummy][width=\rightmarginwidth]}

\marginfigure{\externalfigure[dummy][width=\rightmarginwidth,location=high]}

Marco
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