E, actual charset)"
      )
      request(
        "text/x-pink-unicorn; charset=windows-1252; charset=bogus; notrelated; charset=ascii",
        "text/x-pink-unicorn;charset=UTF-8",
        "Multiple non-UTF-8 charset parameters deduplicate, bogus parameter dropped"
      )
      request(
        null,
        "text/plain;charset=UTF-8",
        "No content type set, give MIME and charset"
      )
      request(
        "text/plain;charset= utf-8",
        "text/plain;charset=UTF-8",
        "charset with 