This portable C library implements Unicode string types in three flavours:
(UTF-8, UTF-16, UTF-32), together with functions for character processing
(names, classifications, properties) and functions for string processing
(iteration, formatted output, width, word breaks, line breaks, normalization,
case folding and regular expressions).
New in 0.9.3:
* Bug fixes in unistr.h functions:
- The functions u16_to_u32, u16_to_u8, u8_to_u32, u8_to_u16 now fail when
the argument is not valid. Previously, they returned a converted string
where invalid parts were each replaced with U+FFFD.
- The function u8_mbsnlen now counts an incomplete character at the end
of the argument string as 1 character. Previously, it could count