changed"
      )
      request(
        "charset=ascii",
        "charset=ascii",
        "known charset but bogus header - missing MIME type"
      )
      request(
        "charset=bogus",
        "charset=bogus",
        "bogus charset and bogus header - missing MIME type"
      )
      request(
        "text/plain;charset=utf-8",
        "text/plain;charset=utf-8",
        "If charset= param is UTF-8 (case-insensitive), it should not be changed"
      )
      request(
        "text/x-pink-unicorn",
    