[metapost] intersectiontimes peculiarity

[Troy Henderson]

>
> How can I redefine one of the paths and call intersect_curves again?  For
> example, the following errors due to inconsistent equations.
>

It seems that changing the line in the macro intersect_curves that reads

p1[incr l_]=p_1[k_]+i_; p2[l_]=p_2[k_]+j_;

to

p1[incr l_]:=p_1[k_]+i_; p2[l_]:=p_2[k_]+j_;

(that is, changing both = to := ) fixed that problem of redefining p2.

Troy
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