diff options
| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2018-06-24 20:26:27 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2018-06-24 20:26:27 (GMT) |
| commit | 94f9cf81ed3e156bd372a3cac249974d1acb4e1d (patch) | |
| tree | 08b03824658d05ae51a9f7494bed57eb8dd6d8d4 /doc/Utf.3 | |
| parent | 5c87050dd8b6765c40eeef94ab5773d955c3de17 (diff) | |
| download | tcl-94f9cf81ed3e156bd372a3cac249974d1acb4e1d.zip tcl-94f9cf81ed3e156bd372a3cac249974d1acb4e1d.tar.gz tcl-94f9cf81ed3e156bd372a3cac249974d1acb4e1d.tar.bz2 | |
Fix "string tolower" and friends for handling unpaired surrogates correctly. Also add test-cases for those situations.
Various typo's in comments.
Diffstat (limited to 'doc/Utf.3')
| -rw-r--r-- | doc/Utf.3 | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -132,7 +132,10 @@ represent one Unicode character in the UTF-8 representation. .PP \fBTcl_UniCharToUtf\fR stores the character \fIch\fR as a UTF-8 string in starting at \fIbuf\fR. The return value is the number of bytes stored -in \fIbuf\fR. +in \fIbuf\fR. If ch is an upper surrogate (range U+D800 - U+DBFF), then +the return value will be 0 and nothing will be stored. If you still +want to produce UTF-8 output for it (even though knowing it's an illegal +code-point on its own), just call \fBTcl_UniCharToUtf\fR again using ch = -1. .PP \fBTcl_UtfToUniChar\fR reads one UTF-8 character starting at \fIsrc\fR and stores it as a Tcl_UniChar in \fI*chPtr\fR. The return value is the |