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| author | Arnold D. Robbins <arnold@skeeve.com> | 2019-06-11 22:17:57 +0300 |
|---|---|---|
| committer | Arnold D. Robbins <arnold@skeeve.com> | 2019-06-11 22:17:57 +0300 |
| commit | e43c786c285a0757b7db71cbc79a66e791829345 (patch) | |
| tree | d7c8d62c5241db64be11366321c6079129a4c312 /doc/gawk.texi | |
| parent | 0ce140454c7f60362f93dbf12928adcceadf9f76 (diff) | |
| download | egawk-e43c786c285a0757b7db71cbc79a66e791829345.tar.gz egawk-e43c786c285a0757b7db71cbc79a66e791829345.tar.bz2 egawk-e43c786c285a0757b7db71cbc79a66e791829345.zip | |
Doc update on unmatched parentheses in regexps.
Diffstat (limited to 'doc/gawk.texi')
| -rw-r--r-- | doc/gawk.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/gawk.texi b/doc/gawk.texi index 1b248fc6..aef39200 100644 --- a/doc/gawk.texi +++ b/doc/gawk.texi @@ -5693,6 +5693,11 @@ containing the alternation operator, @samp{|}. For example, (These are Texinfo formatting control sequences. The @samp{+} is explained further on in this list.) +The left or opening parenthesis is always a metacharacter; to match +one literally, precede it with a backslash. However, the right or +closing parenthesis is only special when paired with a left parenthesis; +an unpaired right parenthesis is (silently) treated as a regular character. + @cindex @code{*} (asterisk), @code{*} operator, as regexp operator @cindex asterisk (@code{*}), @code{*} operator, as regexp operator @item @code{*} |