grep annotated tag, v2.26, created. v2.26

[Jim Meyering]

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The annotated tag, v2.26 has been created
        at  ef851c5eaf8b7e58c5b5fed59f5126da9c716cfb (tag)
   tagging  eb624931ac677e7be2aed856284bd30f01b464d9 (commit)
  replaces  v2.25
 tagged by  Jim Meyering
        on  Sun Oct 2 17:05:05 2016 -0700

- Log -----------------------------------------------------------------
grep 2.26
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Arnold Robbins (1):
      dfa: port to C90

Jim Meyering (29):
      maint: post-release administrivia
      maint: avoid NEWS syntax-check failure
      maint: do not let a LANGUAGE envvar setting perturb tests
      doc: omit an excess word in HACKING
      tests: add coreutils' perl-driven test framework
      grep: print "filename:lineno:" in invalid-regex diagnostic
      tests/backref-multibyte-slow:: avoid false positive
      tests: standardize on 10-second timeouts to avoid rare false failure
      tests: pcre-jitstack: avoid false failure without base64 -d support
      maint: avoid new "make syntax-check" failure
      gnulib: update to latest
      maint: avoid new 'make syntax-check' failure
      maint: switch from gnulib's progname to getprogname module
      gnulib: update to latest, for getprogname fixes
      gnulib: update to latest, for new dfa module
      dfa: reflect move of grep's DFA code to gnulib
      gnulib: update to latest
      gnulib: update to latest; for getprogname-vs-AIX fix
      tests: avoid backref-multibyte-slow false failure
      grep: avoid unwarranted "input file 'F' is also the output" on *BSD
      tests: avoid erroneous failure of pcre-jitstack test
      tests: revamp multibyte-white-space test to be more permissive
      tests/fmbtest: avoid false-failure due to reliance on MB-correct sed
      build: avoid "./configure && make dist" missing-dep. failure
      tests/long-pattern-perf: avoid false-failure due to cache speed
      gnulib: update to latest; for ...
      build: placate GCC 7's -Wimplicit-fallthrough
      gnulib: update to latest; for getprogname fix
      version 2.26

Norihiro Tanaka (23):
      dfa: prefer bool at DFA interfaces
      dfa: stop exporting internal functions
      grep: -F multiword longest match not always needed
      grep: use memchr2 for two patterns of a character
      dfa: more simplification of dfaexec_main
      dfa: simplify for non-POSIX locales
      dfa: don't distingish letter in non-POSIX locales
      grep: fix -F crash when alternating duplicates
      dfa: fix whitespace problems
      grep: always match single line only with DFA superset
      dfa: minor fix for whether dfa is "fast"
      dfa: improve leading "." with non-UTF8 multibyte
      grep: speed up -iF in multibyte locales
      dfa: use single-byte algorithm even in non-UTF-8
      dfa: avoid invalid character matching period
      dfa: remove separation by context in transition in non-UTF8 multibyte 
locales
      tests: add a new test for SJIS locale
      dfa: simplify to find state index for state 0
      dfa: simplify and optimize at initial state in execution
      dfa: use single-byte algorithm even in non-UTF-8
      dfa: additional change new option for anchored searches
      dfa: additional change new option for anchored searches
      grep: add news entry for fix to bug#24233

Paul Eggert (43):
      grep: /dev/null output speedup
      dfa: speed up checking for character boundary
      dfa: prefer bool for boolean
      grep: use Aho-Corasick algorithm to search multiple fixed words
      grep: minor cleanups for -F Aho-Corasick
      grep: simplify -F Aho-Corasick a bit
      maint: correct attribution
      tests: fix similar bug in exit status test
      doc: remove obsolete MS-DOS mention
      doc: propagate more changes from grep.texi
      dfa: minor cleanups for non-POSIX simplification
      dfa: don't treat null bytes specially
      dfa: fix comments to match code better
      grep: minor style changes for -F crash fix
      maint: modernize HACKING a bit
      dfa: fix context newline confusion
      dfa: port to C90
      dfa: minor refactoring and doc fixes
      dfa: avoid uninitialized constants
      dfa: use 64-bit when ulong is at least that wide
      grep: prefer bitwise to short-circuit when shorter
      grep: tune list_files conversion to enum
      grep: minor tweaks of initial buffer alloc
      dfa: minor thread-safety cleanups
      build: update gnulib submodule to latest
      dfa: make dfa.c fully thread-safe
      build: update gnulib submodule to latest
      grep: avoid code duplication with -iF
      dfa: document previous change
      grep: improve dfasearch storage management
      grep: use regex fastmap unless -i
      grep: update NEWS
      dfa: new option for anchored searches
      dfa: merge xalloc.h changes from Gawk
      dfa: minor cleanup of previous change
      build: update gnulib submodule to latest
      doc: define "context lines"
      grep: encoding errors suppress just their line
      build: update gnulib submodule to latest
      build: port .git builds to older GCC
      build: port .git builds to newer GCC
      build: reword .git old-GCC warning
      tests/grep-dir: port to Solaris 10

Zev Weiss (14):
      tests: fix bug in exit status test
      maint: mark a couple of static variables const
      maint: replace bitwise with logical OR
      grep: correct a stale comment and remove dead code
      grep: convert list_files to an enum
      grep: remove unnecessary dirdesc variable.
      grep: do pagesize initialization and buffer allocation earlier
      dfa: thread-safety: remove dfa.c's "dfa" global
      dfa: thread-safety: move lexer state into struct dfa
      dfa: thread-safety: move parser state into struct dfa
      dfa: thread-safety: move regex syntax configuration into struct dfa
      dfa: thread-safety: eliminate static local variables
      dfa: thread-safety: initialize mbrtowc_cache in dfa_init
      dfa: constify some function parameters

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