bug#16865: grep -wP and backreferences

[Jim Meyering]

On Mon, Feb 24, 2014 at 2:01 AM, Stephane Chazelas
<address@hidden> wrote:
> Hello,
>
> Backreferences don't work with -w or -x in combination with -P:
>
> $ echo aa | grep -Pw '(.)\1'
> $
>
> Or they work in an unexpected way:
>
> $ echo aa | grep -Pw '(.)\2'
> aa
>
> The fix is simple:
>
>
> --- src/pcresearch.c~   2014-02-24 09:59:56.864374362 +0000
> +++ src/pcresearch.c    2014-02-24 07:33:04.666398105 +0000
> @@ -75,9 +75,9 @@ Pcompile (char const *pattern, size_t si

Thanks a lot for the patch.
I've converted it to a proper commit with NEWS and a test case.
Please ack the attached if it's all ok with you (you're still the "Author:"):

k.txt
Description: Text document