Am 10.11.2014 um 19:18 schrieb Fabrice Couvreur <fabrice1.couvreur@gmail.com>:

Hi,
With the book Metafun I created a marker with metapost. How to add a counter ?

Best regards,

Fabrice

\startuseMPgraphic{itemize:fuzzy}
numeric u;
u:=0.5cm;
save p; path p;
p := fullcircle xyscaled (u,u) randomized 2pt;
pickup pencircle scaled 1pt;
fill p withcolor green;
draw p withcolor blue;
\stopuseMPgraphic
\definesymbol[itemize:fuzzy][\useMPgraphic{itemize:fuzzy}]
\setupitemize[1][symbol=itemize:fuzzy]
\starttext
\startitemize
\item \input knuth
\item \input knuth
\stopitemize
\stoptext