On 11/15/19 11:06 AM, NIDE, Naoyuki wrote:
echo ba | LANG=ja_JP.eucjp grep -F -w a outputs ba, but should output nothing.
I don't observe this problem with GNU grep 3.3 on Fedora 31. Please try upgrading to grep 3.3, the current release. If that doesn't work, please send more details about your configuration: what OS you're using, how you built 'grep', etc. Thanks.