Taco Hoekwater wrote:
>
> Aditya Mahajan wrote:
>> Notice the first line of \ascii, and compare that with the definition of
>> \doifelse. The command \!!stringa inside the definition of \doifelse gets
>> expanded too soon. Is there any way to get this work, other than doing the
>> comparison outside the MP code.
>
> Not with \doifelse. If the control sequences are as simple as in the
> example, you could do the comparison in MP code:
>
> def doifelse (expr a, b)(text c)(text d) =
> if a=b: c else: d fi
> enddef;
> draw doifelse("test")("string")(fullcircle)(fullsquare) scaled 5cm ;
alternatively, in mkiv there is a fully expandable \expdoifelse but at
the cost of lua call (\doifelse uses intermediate macros which is why it
is not fully expandable)
Hans
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Hans Hagen | PRAGMA ADE
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