[metapost] "Redundant Equation" in a file using expressg.mp

[Taco Hoekwater]

Bas Dekker (TeXniek) wrote:
> 
> Hello all,
> 
> 
> Could anybody please help me with the following? I am working on a 
> relatively simple .mp file with the expressg package.
> 
> This is the source:
> 
> VhV(4bm,5tm);
> drawnormalfour(4bm,4bm.vhv,5tm.vhv,5tm);
> %VhV(3bm,5tm);
> %drawnormalfour(3bm,3bm.vhv,5tm.vhv,5tm);
> endfig;
> end;

I don't know expressg, but it is (almost) clear that you get
the "redundant equation" because you have already calculated
5tm.vhv in the previous VhV(4bm,5tm) call. Sorry, I have no
idea what to do about that. FWIW, the error is harmless.

Best wishes,
Taco