bug#16867: [bug #37600] grep -w cuts words on non-ascii

[Jim Meyering]

Re the savannah bug report, http://savannah.gnu.org/bugs/?37600
[Let's continue on the mailing list -- now our preferred medium]

On Mon, Feb 24, 2014 at 6:57 AM, Stephane Chazelas wrote:
[...]

Thanks for the report.
I confirm it is still a problem with the latest, grep-2.18:
[Note that there's nothing special about the following multi-byte
character or about the locale. ]

    $ printf 'x\nx\xc3\xa5\n' |LC_ALL=en_US.utf8 grep --color 'x\b'
    x
    xå

This is pretty serious:

    $ printf 'p\xc3\xa8re\n' |LC_ALL=en_US.utf8 grep -w p
    père