[metapost] recursion in MP/ MF [was: all intersections between two paths]

[Hans Hagen]

Taco Hoekwater wrote:

> I also like recursion. It is unfortunate that precisely this part of 
> MP/MF cannot easily be changed. Knuth uses the (compile-time) size of 
> the param stack to differentiate between the three parameter types, 
> making it hard to manage the stack dynamically. This is much more of a 
> problem in MP than in TeX because graphics often relate themselves well 
> to recursive algorithms.

that stack is now 300; is there some limit in the source (e.g. due to packing 
things in bytes or so)?

Hans

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