diff options
| author | Albrecht Schlosser <albrechts.fltk@online.de> | 2015-06-15 14:28:17 +0000 |
|---|---|---|
| committer | Albrecht Schlosser <albrechts.fltk@online.de> | 2015-06-15 14:28:17 +0000 |
| commit | 16944bc383f865e857843b0dbce1ffe714c3c26d (patch) | |
| tree | ff97ae2ff9098ef6b8f653e08246b818e544d3e7 /src/fl_utf8.cxx | |
| parent | 5283617e6820f570132ae1978dce0fc32e7dbb1d (diff) | |
Fix fl_nonspacing(), explain what non-spacing characters are (STR #3159).
I also edited the mentioned README file to eliminate the most obvious error(s).
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10754 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/fl_utf8.cxx')
| -rw-r--r-- | src/fl_utf8.cxx | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/fl_utf8.cxx b/src/fl_utf8.cxx index 2ad718946..db6803588 100644 --- a/src/fl_utf8.cxx +++ b/src/fl_utf8.cxx @@ -356,15 +356,19 @@ int fl_latin12utf(const unsigned char *str, int len, char *buf) /** returns true if the character is non-spacing. - \todo explain what non-spacing means. + + Non-spacing characters in Unicode are typically combining marks like + tilde (~), diaresis (¨), or other marks that are added to a base + character, for instance 'a' (base character) + '¨' (combining mark) = 'ä' + (German Umlaut). + + http://unicode.org/glossary/#base_character + http://unicode.org/glossary/#nonspacing_mark + http://unicode.org/glossary/#combining_character */ unsigned int fl_nonspacing(unsigned int ucs) { -#ifdef __APPLE__ - return (ucs==0x20); // FIXME: what does this really do? -#else return (unsigned int) XUtf8IsNonSpacing(ucs); -#endif } #if defined(WIN32) && !defined(__CYGWIN__) |