bug#16911: [PATCH] grep: fix bugs with -i and titlecase

[Jim Meyering]

On Sun, Mar 2, 2014 at 11:27 PM, Paul Eggert <address@hidden> wrote:
> [I've reopened 16911 since the bug's not fixed on OS X.]
>
> Here's my guess.  In glibc's en_US locale, 'Lj' is considered to be both
> uppercase and lowercase; but in OS X's en_US locale, it's considered to be
> neither uppercase nor lowercase.  If so, the attached gnulib patch should
> fix the problem (though I can't easily test this).  Could you please give it
> a try?

Hi Paul,

That patch does indeed solve the problem.

> By the way, I'd like to remove the need for grep's local differences from
> the glibc regex code.  I assume it's there only to pacify GCC's warnings
> flags, and we can do that with pragmas in gnulib.  One fix at a time,
> though.

You're right.  It was only to avoid warnings from gcc, and using #pragmas
is a better approach, in a project like grep where we rarely modify that code.

Thanks!
Jim