"jr" <cre### [at] gmailcom> wrote:
>
> "Kenneth" <kdw### [at] gmailcom> 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'.
>

Ah! Yes, I see the usefulness of that. Thanks. That totally escaped me. My
#ifdef(true) example was a bad choice to illustrate the situation.

> > And I would be happier if my silly string-literal example produced a fatal
> > error! Otherwise, I can't imagine a scenario where a 'naked' string would
> > even be used there.

Post a reply to this message