On 8/17/2019 3:27 AM, Alan Braslau wrote:
> We have eofill in MP (in pdf/ps in fact) and that likely will do what you need.
You forgot the MWD (Minimal Working Demo):
\starttext
\startMPpage
path p ; p := fullcircle scaled 1cm ;
path q ; q := fullcircle scaled .5cm ;
nofill p ;
eofill q ;
\stopMPpage
\stoptext
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