"Kenneth" <kdw### [at] gmailcom> wrote:
> William F Pokorny <ano### [at] anonymousorg> wrote:
> Actually, it's not clear to me why any keywords at all would or should be valid
> 'parameters' for an #ifdef comparison ...
one use I see, though I have never tried/used it, is determining whether a given
keyword (already) exists in the POV-Ray version doing the parsing; if it worked
for, eg, 'tau'. also, fwiw, agree that parsing (generally) should be "strict".
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