[NTG-context] macro that does not work (Metapost)

[Fabrice Couvreur]

Hi Hans,
I tried this but without success :

 \startMPcode
     suite{1,0};
     suite{2,1};
 \stopMPcode

Fabrice

Le mar. 11 févr. 2020 à 13:08, Hans Hagen <j.hagen at xs4all.nl> a écrit :

> On 2/11/2020 11:50 AM, Fabrice Couvreur wrote:
> > Hi,
> > I have some problems with the following macro :
> >
> > tex error       > mp error on line 23 in file /home/viserion/macro.tex:
> >
> > ! Missing argument to suite.
> > <to be read again>
> > {
> > <*> suite{
> > 1,0}; suite(2,1); ;
> > That macro has more parameters than you thought.
> > I'll continue by pretending that each missing argument
> > is either zero or null.
> >
> > ! Missing argument to suite.
> > <to be read again>
> > {
> > <*> suite{
> > 1,0}; suite(2,1); ;
> > That macro has more parameters than you thought.
> > I'll continue by pretending that each missing argument
> > is either zero or null.
>
>
> {} instead of ()
>
> > ! Extra tokens will be flushed.
> > <to be read again>
> > {
> > <*> suite{
> > 1,0}; suite(2,1); ;
> > I've just read as much of that statement as I could fathom,
> > so a semicolon should have been next. It's very puzzling...
> > but I'll try to get myself back together, by ignoring
> > everything up to the next `;'. Please insert a semicolon
> > now in front of anything that you don't want me to delete.
> > (See Chapter 27 of The METAFONTbook for an example.)
> >
> > [1]
> >
> > 13       enddef;
> > 14     \stopMPcode
> > 15     \starttext
> > 16      On présente ci-dessous deux suites de dessins.
> > 17           \startlinecorrection[blank]
> > 18             \startmidaligned
> > 19               \startcombination[2*1]
> > 20                 {\startMPcode
> > 21                   suite{1,0};
> > 22                   suite(2,1);
> > 23 >>               \stopMPcode}{\tfxx \bf Suite 2}
> > 24           \stopcombination
> > 25             \stopmidaligned
> > 26           \stoplinecorrection
> > 27     \stoptext
> >
> > mtx-context     | fatal error: return code: 256
> >
> > TeX Output exited abnormally with code 1 at Tue Feb 11 11:45:53
> >
> > ##################################################
> > macro.tex
> > ##################################################
> >
> > \startMPcode
> >    def suite (expr n, t) =
> >    begingroup
> >     numeric u;
> >     u := 5mm;
> >     pickup pencircle scaled 4pt;
> >     for i=0 upto n:
> >       for j=0 upto n:
> >           drawdot (i*u,j*u) shifted(t*u,0) withcolor darkred;
> >       endfor
> >     endfor
> >    endgroup
> >    enddef;
> > \stopMPcode
> > \starttext
> >   On présente ci-dessous deux suites de dessins.
> >        \startlinecorrection[blank]
> >          \startmidaligned
> >            \startcombination[2*1]
> >              {\startMPcode
> >                suite{1,0};
> >                suite(2,1);
> >               \stopMPcode}{\tfxx \bf Suite 2}
> >        \stopcombination
> >          \stopmidaligned
> >        \stoplinecorrection
> > \stoptext
> >
> >
> > Thank you.
> > Fabrice
> >
> >
> ___________________________________________________________________________________
> > If your question is of interest to others as well, please add an entry
> to the Wiki!
> >
> > maillist : ntg-context at ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
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> > archive  : https://bitbucket.org/phg/context-mirror/commits/
> > wiki     : http://contextgarden.net
> >
> ___________________________________________________________________________________
> >
>
>
> --
>
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context at ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
> webpage  : http://www.pragma-ade.nl / http://context.aanhet.net
> archive  : https://bitbucket.org/phg/context-mirror/commits/
> wiki     : http://contextgarden.net
>
> ___________________________________________________________________________________
>
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