diff options
Diffstat (limited to 'doc/gawktexi.in')
| -rw-r--r-- | doc/gawktexi.in | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/gawktexi.in b/doc/gawktexi.in index 7c9d473e..37bffc32 100644 --- a/doc/gawktexi.in +++ b/doc/gawktexi.in @@ -5490,6 +5490,15 @@ set. For example, @samp{[0-9]} is equivalent to @samp{[0123456789]}. standard and @command{gawk} have changed over time. This is mainly of historical interest.) +With the increasing popularity of the +@uref{http://www.unicode.org, Unicode character standard}, +there is an additional wrinkle to consider. Octal and hexadecimal +escape sequences inside bracket expressions are taken to represent +only single-byte characters (characters whose values fit within +the range 0--256). To match a range of characters where the endpoints +of the range are larger than 256, enter the multibyte encodings of +the characters directly. + @cindex @code{\} (backslash), in bracket expressions @cindex backslash (@code{\}), in bracket expressions @cindex @code{^} (caret), in bracket expressions |