grep annotated tag, v2.12, created. v2.12

[Jim Meyering]

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The annotated tag, v2.12 has been created
        at  de34f2455ec05d992728ace532b5ceae3d87e6d2 (tag)
   tagging  dcd7239f4f68b24da7af0b927bd7b2bee5666950 (commit)
  replaces  v2.11
 tagged by  Jim Meyering
        on  Mon Apr 23 16:11:52 2012 +0200

- Log -----------------------------------------------------------------
grep 2.12
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Allan McRae (1):
      grep: fix segfault with -r --exclude-dir and no file operand

Jim Meyering (17):
      maint: post-release administrivia
      build: update gnulib submodule to latest
      maint: use an optimal-for-grep xz compression setting
      tests: exercise two recently-fixed bugs
      build: update gnulib submodule to latest
      tests: avoid syntax-check failure: reverse compare arguments
      tests: avoid spurious failure of the symlink test
      grep: handle symlinked directory loops as usual
      maint: dfa: avoid unnecessary uses of strcpy/strncpy
      maint: dfa: add/improve comments
      maint: dfa: correct bogus formatting
      grep: fix --devices=ACTION (-D) so stdin is once again exempt
      build: update gnulib submodule to latest
      tests: avoid spurious quote-mismatch failure on OS/X
      tests: skip annoyingly long gnulib lock tests
      build: update gnulib submodule to latest
      version 2.12

Paul Eggert (4):
      tests: test for bug with -r --exclude-dir and no file operand
      tests: port big-match to non-GNU dd
      grep: -r no longer follows symlinks; use fts
      grep: report overflow for ERE a{1000000000}

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