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| author | Paul Eggert <eggert@cs.ucla.edu> | 2022-05-21 01:38:39 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2022-05-21 02:41:20 -0700 |
| commit | a368a60eb81ea6e3264e0c8c2cb12f2ee7f0585d (patch) | |
| tree | bb635fe6a73b75f387af5f4ede2bf8c98d0b5a1d /doc | |
| parent | 2169fa36c9235d13bf64e20009fc3a639ca5670a (diff) | |
| download | grep-a368a60eb81ea6e3264e0c8c2cb12f2ee7f0585d.tar.gz | |
grep: assume POSIX.1-2017 for [:space:]
* src/dfasearch.c (dfawarn): Always call dfaerror now,
regardless of POSIXLY_CORRECT.
* tests/warn-char-classes: Omit test of POSIX.1-2008 behavior,
since POSIX.1-2017 allows the GNU behavior.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/grep.texi | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/doc/grep.texi b/doc/grep.texi index b073fa76..71e19e04 100644 --- a/doc/grep.texi +++ b/doc/grep.texi @@ -1056,8 +1056,6 @@ follow file names must be treated as file names; by default, such options are permuted to the front of the operand list and are treated as options. -Also, @env{POSIXLY_CORRECT} disables special handling of an -invalid bracket expression. @xref{invalid-bracket-expr}. @item _@var{N}_GNU_nonoption_argv_flags_ @vindex _@var{N}_GNU_nonoption_argv_flags_ @r{environment variable} @@ -1401,12 +1399,10 @@ Note that the brackets in these class names are part of the symbolic names, and must be included in addition to the brackets delimiting the bracket expression. -@anchor{invalid-bracket-expr} If you mistakenly omit the outer brackets, and search for say, @samp{[:upper:]}, GNU @command{grep} prints a diagnostic and exits with status 2, on -the assumption that you did not intend to search for the nominally -equivalent regular expression: @samp{[:epru]}. -Set the @env{POSIXLY_CORRECT} environment variable to disable this feature. +the assumption that you did not intend to search for the +regular expression @samp{[:epru]}. Special characters lose their special meaning inside bracket expressions. |