Bent wrote:

> Also, I was curious why POV-Ray is only picky about argument delimiters (that
> is, commas) some of the time.

I suppose it's mostly a matter of organic growth.
Of course, your working code sample should be avoided
outside of short code competitions ;)

> However, it is not happy with this:
> 
> #declare f=function{pow(3!1)}

Functions are treated rather specially anyway.
Other things such as arrays also do not work
inside functions.

> It isn't happy with this, either:
> 
> #macro A(b(c))b+c#end

I'm not sure why you would expect this to work.
It's not as if parentheses are just something to
separate identifiers and be discarded.

> #debug("a\n")

That is as documented although I'd find a syntax
with parentheses more natural as well for #debug,
#fopen, #fclose, #warning and #error.

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