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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{*} |