[RFC/PATCH]: transform builtin isdigit (okay with locales?)

[Kaveh R. Ghazi]

 > From: Dale Johannesen <dalej@apple.com>
 > 
 > No.  Locales do not affect the '0' character.  In fact, there is an
 > explicit footnote (#187 in c99) in the locale section saying that
 > isdigit is not affected by locales.

Great thanks for pointing that out, I see that now in my draft
version.

 > 
 > Which does not mean it is a good idea; that's another discussion.

As I explained in a previous message, if isdigit is defined to a macro
doing a table lookup, my patch doesn't interfere with that.

I'll post a revised patch with timings after a testing cycle so we can
see the speed effects.

		--Kaveh
--
Kaveh R. Ghazi			ghazi@caip.rutgers.edu