grep annotated tag, v3.7, created. v3.7

[Jim Meyering]

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The annotated tag, v3.7 has been created
        at  1e6c13d0007882b2a324b8bb4d7a326bb5ec786e (tag)
   tagging  df49b0c1dd95eccc1fba8174584bf6122e998e6d (commit)
  replaces  v3.6
 tagged by  Jim Meyering
        on  Sat Aug 14 12:52:55 2021 -0700

- Log -----------------------------------------------------------------
grep 3.7
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Helge Kreutzmann (1):
      doc: adjust man page syntax

Jim Meyering (15):
      maint: post-release administrivia
      tests: enable warnings for the gnulib-tests subdir
      build: update gnulib to latest for warning fixes
      grep: avoid performance regression with many patterns
      grep: use of --unix-byte-offsets (-u) now elicits a warning
      build: update gnulib to latest
      maint: add parentheses to avoid new clang-10 warning
      build: update gnulib to latest
      build: avoid long-string warnings in gnulib tests
      doc: man: fix -L description and improve -l's
      build: update gnulib to latest
      build: update gnulib to latest
      build: update gnulib to latest
      tests: provide an awk-based seq replacement
      version 3.7

Kevin Locke (2):
      doc: man: add --group-separator/--no-group-separator
      doc: usage: --group-separator/--no-group-separator

Marek Suppa (1):
      doc: fix missing right curly brace

Mateusz Okulus (1):
      doc: note that -H is a GNU extension in man page, too

Paul Eggert (13):
      doc: clarify special chars and }
      build: update gnulib submodule to latest
      maint: run "make update-copyright"
      doc: update grep.texi cite to 2021
      maint: copy bootstrap, tests/init.sh from Gnulib
      doc: further clarify regexp structure
      doc: improve examples and wording
      build: update gnulib submodule to latest
      build: update gnulib submodule to latest
      tests: use awk, not seq
      grep: pointer-integer cast nit
      grep: simplify data movement slightly
      grep: simplify EGexecute

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