Rename ABC*API to ABACLADE*_SYM for consistency with non-API defines
Remove support for UTF-32 as internal character type
Remove duplicate code in utf_traits<>::str_chr() char32_t overloads
Remove duplicate code in utf_traits<>::str_chr_r() char32_t overloads
Remove unused utf_traits<>::str_cmp() overloads
Move abc::utf_traits::str_chr*() to abc::str_base
Move abc::utf_traits::str_str*() to abc::str_base
Change abc::io::text::reader::read_while() to pass real strings to its fnGetConsumeEnd callback
Clarify comments
Protect internal methods
Replace “ - ” with “ – ”
Move abc::utf_traits::str_cmp() to abc::str_base
Reduce specialized code dependent on ABC_HOST_UTF
Fix typos