[metapost] color stack overflow

[Hans Hagen]

On 4/9/2017 9:06 PM, Christophe Poulain wrote:
> Hi metaposters,
>
> with EssaiNew.mp, I have the "color stack overflow" error ? (and what is
> the signification of this error ?)
> with EssaiNew.tex, I have no error.
>
> Someone can help me ?

looks like a latex problem as metapost has no color stack (probably some 
tex macro that does something that overflows the pdftex color stack) .. 
in that case you also can have the problem when you proces the label in 
a normal tex file

Hans

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