diff options
| -rw-r--r-- | doc/re_syntax.n | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/doc/re_syntax.n b/doc/re_syntax.n index 888aede..eebda51 100644 --- a/doc/re_syntax.n +++ b/doc/re_syntax.n @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: re_syntax.n,v 1.14 2007/10/29 10:07:05 dkf Exp $ +'\" RCS: @(#) $Id: re_syntax.n,v 1.15 2007/11/14 11:13:32 dkf Exp $ '\" .so man.macros .TH re_syntax n "8.1" Tcl "Tcl Built-In Commands" @@ -173,9 +173,9 @@ If two characters in the list are separated by this is shorthand for the full \fIrange\fR of characters between those two (inclusive) in the collating sequence, e.g. \fB[0\-9]\fR in Unicode matches any conventional decimal digit. Two ranges may not share an -endpoint, so e.g. \fBa\-c\-e\fR is illegal. Ranges are very -collating-sequence-dependent, and portable programs should avoid -relying on them. +endpoint, so e.g. \fBa\-c\-e\fR is illegal. Ranges in Tcl always use the +Unicode collating sequence, but other programs may use other collating +sequences and this can be a source of incompatability between programs. .PP To include a literal \fB]\fR or \fB\-\fR in the list, the simplest method is to enclose it in \fB[.\fR and \fB.]\fR to make it a @@ -204,7 +204,7 @@ expression's list. A bracket expression in a locale that has multi-character collating elements can thus match more than one character. So (insidiously), a bracket expression that starts with \fB^\fR can match multi-character collating elements even if none of -them appear in the bracket expression! (\fINote:\fR Tcl currently has +them appear in the bracket expression! (\fINote:\fR Tcl has no multi-character collating elements. This information is only for illustration.) .PP @@ -232,9 +232,9 @@ equivalence class, then and .QW \fB[o\N'244']\fR \& are all synonymous. An equivalence class may -not be an endpoint of a range. (\fINote:\fR Tcl currently implements -only the Unicode locale. It does not define any equivalence classes. -The examples above are just illustrations.) +not be an endpoint of a range. (\fINote:\fR Tcl implements only the +Unicode locale. It does not define any equivalence classes. The +examples above are just illustrations.) .PP Within a bracket expression, the name of a \fIcharacter class\fR enclosed in \fB[:\fR and \fB:]\fR stands for the list of all |