[Bug 209352] usr.bin/sed: Bug involving "\<".

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209352

--- Comment #5 from commit-hook at freebsd.org ---
A commit references this bug:

Author: pfg
Date: Mon Jun 27 20:54:03 UTC 2016
New revision: 302228
URL: https://svnweb.freebsd.org/changeset/base/302228

Log:
  sed(1): convert sed to use REG_STARTEND more explicitly.

  Summarizing the findings in the OpenBSD list:

  This solves a reproduceable issue with very recent Mesa where REG_NOTBOL
  combined with a match at the begin of the string causes our regex library
  to treat the word as not begin of word.

  Bump __FreeBSD_version: JIC we hit the issue in recent Mesa ports.

  PR:           209352, 209387 (exp-run)
  Taken from:     openbsd-tech (Martijn van Duren)
  MFC after:    1 month

Changes:
_U  stable/10/
  stable/10/sys/sys/param.h
  stable/10/usr.bin/sed/process.c

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