Re: [Nmh-workers] A € for your thoughts - should we fix UTF-8 subject output in scan for 1.5?

[Ken Hornstein]

>So these functions only work portably in single-byte encodings.
>Particular implementations might choose to make them do something useful
>for input values above 255, but you couldn't expect that to work
>everywhere.  To work portably in UTF8 and other multi-byte encodings,
>you have to go over to the wide-character functions in <wctype.h>.

Yeah, but the issue isn't about values about 255, it's about values above
127.  Your locale is UTF-8, and you call isspace(0xa0).  Does that mean
"the character 0xa0", which is U+00A0 (a space)?  Or does it mean
one byte of a multibyte character, in which case ... who knows?

--Ken