[metapost] Re: pdf output and extensions

[Boguslaw Jackowski]

Taco:
  > 4. allow these new features:
  >     <path> := envelope <path> withpen <pen>; % non-cyclic
  >     <path> := inner envelope <path> withpen <pen>; % cyclic
  >     <path> := outer envelope <path> withpen <pen>; % cyclic

Dan:
  >  Don't "inner" and "outer" already have a
  >  contradictory meaning in MetaPost?
  >  ...
  >  "Be kind. Every person you meet is fighting a hard battle." - Anon.

Larry:
  > Yes.

One ``yes'' (which then?) or two ``yeses''?
(Hint: the answer ``yes'' is OK ;-)

Anyway, I would not agree that there is something like inner or outer
envelope -- think, e.g., of 8-shaped paths. One can only speak about
leftside and rightside envelope with respect to the direction
of the pen movement -- these are well-defined entities.

Cheers -- Jacko

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