diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/Utf.3 | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -291,8 +291,11 @@ to the second half of a surrogate pair, it returns -1. \fBTcl_UtfAtIndex\fR returns a pointer to the specified character (not byte) \fIindex\fR in the UTF-8 string \fIsrc\fR. The source string must contain at least \fIindex\fR characters. This is equivalent to calling -\fBTcl_UtfNext\fR \fIindex\fR times. If a negative \fIindex\fR is given, -the return pointer points to the first character in the source string. +\fBTcl_UtfToUniChar\fR \fIindex\fR times, except if that would return +a pointer to the second byte of a valid 4-byte UTF-8 sequence, in which +case, \fBTcl_UtfToUniChar\fR will be called once more to find the end +of the sequence. If a negative \fIindex\fR is given, the returned pointer +points to the first character in the source string. .PP \fBTcl_UtfBackslash\fR is a utility procedure used by several of the Tcl commands. It parses a backslash sequence and stores the properly formed |