>   And with that style it's unusable in situations like:
>
> #declare Value = 2*MyMacro(a)+5*MyMacro(b);

Of course not, but it is useful in different situations.  For example in my
mobius macros, one of the macro returns position, direction and normal
vectors for a specific spot on a mobius surface, ie, it returns three
different values.  In this type of situation it is usuable and necessary.

-tgq

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