diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/regsub.n | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/doc/regsub.n b/doc/regsub.n index 413a6ab..e762b9d 100644 --- a/doc/regsub.n +++ b/doc/regsub.n @@ -6,7 +6,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: regsub.n,v 1.22.2.1 2008/07/07 08:36:30 dkf Exp $ +'\" RCS: @(#) $Id: regsub.n,v 1.22.2.2 2010/09/10 13:02:12 dkf Exp $ '\" .so man.macros .TH regsub n 8.3 Tcl "Tcl Built-In Commands" @@ -161,15 +161,18 @@ Insert double-quotes around the first instance of the word Convert all non-ASCII and Tcl-significant characters into \eu escape sequences by using \fBregsub\fR and \fBsubst\fR in combination: .CS -# This RE is just a character class for everything "bad" -set RE {[][{};#\e\e\e$\es\eu0080-\euffff]} +# This RE is just a character class for almost everything "bad" +set RE {[][{};#\e\e\e$ \er\et\eu0080-\euffff]} # We will substitute with a fragment of Tcl script in brackets set substitution {[format \e\e\e\eu%04x [scan "\e\e&" %c]]} # Now we apply the substitution to get a subst-string that -# will perform the computational parts of the conversion. -set quoted [subst [\fBregsub\fR -all $RE $string $substitution]] +# will perform the computational parts of the conversion. Note +# that newline is handled specially through \fBstring map\fR since +# backslash-newline is a special sequence. +set quoted [subst [string map {\en {\e\eu000a}} \e + [\fBregsub\fR -all $RE $string $substitution]]] .CE .SH "SEE ALSO" regexp(n), re_syntax(n), subst(n), |