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Description of problem:
How reproducible:
Actual results:

[kb@kb ~]$ echo 'apļveida' | grep '\<ap\>'
apļveida
[kb@kb ~]$ echo 'aplveida' | grep '\<ap\>'
[kb@kb ~]$ 

Expected results:

[kb@kb ~]$ echo 'apļveida' | grep '\<ap\>'
[kb@kb ~]$ echo 'aplveida' | grep '\<ap\>'
[kb@kb ~]$ 


Regards,
Josef Kubin.

This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated
in the current release, Red Hat is unable to address this
request at this time.

Red Hat invites you to ask your support representative to
propose this request, if appropriate, in the next release of
Red Hat Enterprise Linux.

grep-2.16-1.el7.x86_64 reproduces
grep-2.18-1.fc20.x86_64 reproduces

upstream grep-2.21 no longer reproduces the issue

Also it is not reproducible in grep-2.20.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2015-1447.html