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Diffstat (limited to 'LIBUTF8_ALLOW_31_BITS.3')
| -rw-r--r-- | LIBUTF8_ALLOW_31_BITS.3 | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/LIBUTF8_ALLOW_31_BITS.3 b/LIBUTF8_ALLOW_31_BITS.3 new file mode 100644 index 0000000..f86b59b --- /dev/null +++ b/LIBUTF8_ALLOW_31_BITS.3 @@ -0,0 +1,31 @@ +.TH LIBUTF8_ALLOW_31_BITS 3 LIBUTF8 +.SH NAME +LIBUTF8_ALLOW_31_BITS - Accept decoded codepoints up to 31 bits + +.SH SYNOPSIS +.nf +#include <libutf8.h> + +#define \fBLIBUTF8_ALLOW_31_BITS\fP /* implementation omitted */ +.fi + +.SH DESCRIPTION +The +.B LIBUTF8_ALLOW_31_BITS +macro is a flag for +.BR libutf8_decode (3) +and +.BR libutf8_decode_mem (3). +It causes those functions to accept codepoints greater than +.B LIBUTF8_ULTIMATE_CODEPOINT +when they fit in an unsigned 31-bit integer. +.PP +Such values are encoded with historical UTF-8 sequences of up to six bytes and +are not Unicode codepoints. + +.SH SEE ALSO +.BR libutf8 (7), +.BR LIBUTF8_ULTIMATE_CODEPOINT (3), +.BR libutf8_decode (3), +.BR libutf8_decode_mem (3), +.BR libutf8_encode (3) |