Constant mime::TEXT_PLAIN_UTF_8

pub const TEXT_PLAIN_UTF_8: Mime = Mime{source:
         Source::Atom(__Atoms::TEXT_PLAIN_UTF_8 as u8,
                      "text/plain; charset=utf-8"),
     slash: 4,
     plus: None,
     params: ParamSource::Utf8(10),}

text/plain; charset=utf-8