diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/Utf.3 | 13 |
1 files changed, 8 insertions, 5 deletions
@@ -4,7 +4,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: Utf.3,v 1.14 2003/07/18 16:56:41 dgp Exp $ +'\" RCS: @(#) $Id: Utf.3,v 1.15 2003/07/18 22:17:35 dkf Exp $ '\" .so man.macros .TH Utf 3 "8.1" Tcl "Tcl Library Procedures" @@ -224,11 +224,14 @@ considered part of the UTF-8 string. Given \fIsrc\fR, a pointer to some location in a UTF-8 string, \fBTcl_UtfNext\fR returns a pointer to the next UTF-8 character in the string. The caller must not ask for the next character after the last -character in the string. +character in the string if the string is not terminated by a null +character. .PP -Given \fIsrc\fR, a pointer to some location in a UTF-8 string, -\fBTcl_UtfPrev\fR returns a pointer to the previous UTF-8 character in the -string. This function will not back up to a position before \fIstart\fR, +Given \fIsrc\fR, a pointer to some location in a UTF-8 string (or to a +null byte immediately following such a string), \fBTcl_UtfPrev\fR +returns a pointer to the closest preceding byte that starts a UTF-8 +character. +This function will not back up to a position before \fIstart\fR, the start of the UTF-8 string. If \fIsrc\fR was already at \fIstart\fR, the return value will be \fIstart\fR. .PP |