Function melib::email::parser::generic::utf8_non_ascii

fn utf8_non_ascii(input: &[u8]) -> IResult<&[u8], Cow<'_, [u8]>>

UTF-8 characters can be defined in terms of octets using the following ABNF [RFC5234], taken from [RFC3629]: UTF8-non-ascii = UTF8-2 / UTF8-3 / UTF8-4