Re: avoid compiler warning

Jim Meyering <[email protected]>
Newsgroups gmane.comp.gnu.m4.patches
Message-ID <[email protected]> 
Eric Blake wrote:
> I noticed this, thanks to cygwin 1.7's improved QoI ctype.h header.  (Hmm,
> maybe I should file a glibc bug that the Linux ctype.h should offer the
> same compiler warning when passing a char instead of an unsigned char to
> the ctype macros.)

Yes, please!

This is a wide-spread problem that is tedious to detect manually
and that causes malfunction only in relatively unusual situations.
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