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

[Paul Eggert]

On 03/03/2014 07:18 PM, Jim Meyering wrote:
> 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.

I just now checked, and without the grep diffs there are no warnings 
when I configure with grep's 'configure --enable-gcc-warnings' on Fedora 
20 (gcc (GCC) 4.8.2 20131212 (Red Hat 4.8.2-7)).  Possibly GCC got 
smarter, or possibly the pragmas in gnulib regex now suffice.  So I've 
removed the grep diffs with the attached patch for now; if warnings come 
back (older compilers maybe?) we can add more pragmas to the gnulib copy.

0001-maint-remove-differences-from-gnulib-regex-code.patch
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