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| -rw-r--r-- | doc/ToUpper.3 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/ToUpper.3 b/doc/ToUpper.3 index be614e7..0647b85 100644 --- a/doc/ToUpper.3 +++ b/doc/ToUpper.3 @@ -80,9 +80,10 @@ and all following characters into their lower-case equivalents. .SH BUGS .PP -At this time, the case conversions are only defined for the ISO8859-1 -characters. Unicode characters above 0x00ff are not modified by these -routines. +At this time, the case conversions are only defined for the Unicode +plane 0 characters. The result for Unicode characters above 0xffff +is undefined, but - actually - only the lower 16 bits of the +character value is handled. .SH KEYWORDS utf, unicode, toupper, tolower, totitle, case |