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rune(2): add Runeerror reencoding considerations in BUGS section (thanks aiju)

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cinap_lenrek 2016-04-28 01:53:09 +02:00
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10
sys/man/2/rune
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@ -191,3 +191,13 @@ returns
.SH SEE ALSO
.IR utf (6),
.IR tcs (1)
.SH BUGS
When re-encoding UTF strings with
.I chartorune
and
.I runetochar
one has to consider that encoding a
.I Runeerror
(0xFFFD)
that resulted from invalid encoded input can yield
a longer UTF sequence on the output.