[metapost] boxit and grouping

[Hans Hagen]

Ovidiu Gheorghies wrote:
> Hi.
> 
> I try to compile the code
> 
>   boxjoin(a.se=b.nw; a.ne=b.nw);
>   boxit.aaa(btex A etex);
>   boxit.bbb(btex B etex);
>   aaa.nw = (30,30);
>   drawboxed(aaa, bbb);
>   
>    begingroup
>      save aaa, bbb, a, b;
>      boxjoin(a.se=b.nw; a.ne=b.nw);
>      boxit.aaa(btex A etex); % line 71
>      boxit.bbb(btex B etex);
>      aaa.nw = (50,50);
>      drawboxed(aaa, bbb);
>    endgroup;

maybe

   aaa.nw := (30,30);

      aaa.nw := (50,50);

helps

Hans

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