diff options
Diffstat (limited to 'doc/regsub.n')
| -rw-r--r-- | doc/regsub.n | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/doc/regsub.n b/doc/regsub.n index 471063e..ef4c289 100644 --- a/doc/regsub.n +++ b/doc/regsub.n @@ -6,10 +6,8 @@ '\" 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 1.27 2009/02/24 21:04:58 dkf Exp $ -'\" -.so man.macros .TH regsub n 8.3 Tcl "Tcl Built-In Commands" +.so man.macros .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME @@ -172,20 +170,23 @@ Convert all non-ASCII and Tcl-significant characters into \eu escape sequences by using \fBregsub\fR and \fBsubst\fR in combination: .PP .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), string(n) .SH KEYWORDS -match, pattern, quoting, regular expression, substitute +match, pattern, quoting, regular expression, substitution '\" Local Variables: '\" mode: nroff '\" End: |