Alex Vandiver <van### [at] tiacnet> wrote:
: difference {
:   inside
:   outside
: }
: error: No matching }in difference, undeclared identifier 'inside' found
: instead.

  You have to understand what inside and outside are before you can make
their difference:

#declare inside = plane { y,0 }
#declare outside = plane { y,0 inverse }

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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