GNU bug report logs - #38223
grep >=2.28 cannot handle -wF correctly under LANG=ja_JP.eucjp

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Message #19 received at 38223 <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: "NIDE, Naoyuki" <nide <at> ics.nara-wu.ac.jp>
Cc: 38223 <at> debbugs.gnu.org
Subject: Re: bug#38223: grep >=2.28 cannot handle -wF correctly under
 LANG=ja_JP.eucjp
Date: Sat, 16 Nov 2019 09:34:06 -0800

[Message part 1 (text/plain, inline)]

On Fri, Nov 15, 2019 at 11:54 AM NIDE, Naoyuki <nide <at> ics.nara-wu.ac.jp> wrote:
> echo ba | LANG=ja_JP.eucjp grep -F -w a
> outputs ba, but should output nothing.

Thank you for that report. It is reproducible for me on Fedora 30.
Here is a fix, but the commit is incomplete: I am still in the process
of preparing a test case and the NEWS entry.
Will also fix the erroneous comment just below in a separate patch.

[grep-Fw-mb-non-utf8.diff (application/octet-stream, attachment)]

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