Hi,

I wanted to try (using ConTeXt minimals MkIV) the example on page 228 of the MetaFun manual, dealing with typesetting in MetaPost.

The code is given as:

\resetMPdrawing
\startMPdrawing
picture pic[] ;
numeric wid[], len[], pos[], n ;
wid[0] := len[0] := pos[0] := n := 0 ;
\stopMPdrawing

\def\whatever#1%
{\appendtoks#1\to\MPtoks
 \setbox\MPbox=\hbox{\bfd\the\MPtoks}%
 \startMPdrawing
  n := n + 1 ; len[n] := \the\wd\MPbox ;
 \stopMPdrawing
 \startMPdrawing[-]
  pic[n] := textext("\bfd\setstrut\strut#1") ;
  pic[n] := pic[n] shifted - llcorner pic[n] ;
 \stopMPdrawing}

\handletokens MetaPost is Fun!\with\whatever

But is won't run. The following message is generated:

\@@toks ->\MPtoks

\dodoappendtoks ->\dodoglobal \@@toks
\@EAEAEA {\@EA \the \@EA \@@toks \the ...
\whatever #1->\appendtoks #1\to \MPtoks
\setbox \MPbox =\hbox {\bfd \the \MP...
\dodohandletokenstwo *#1->\dododohandletokens {#1}
                                                 \dohandletokens
<argument> M
           etaPost is Fun!
\handletokens ...ndletokens {#2}\dohandletokens #1
                                                 \end
l.96 \handletokens MetaPost is Fun!\with\whatever

Anybody any idea?

Regards,
Gerard Verhaag
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