parse "gopher://null.host:0/½\xc4b\x85ڭ\x18I\xc16\xab\xc5\xf2˯\x0e\x04\xa5\x83^\xca\xcdF\xfc\xfe\xee\xfe\x04\x97\xe8\xe9N\xf6\x0fOh3\xd2\xf8\xbd8K:\x10\xb7\xd7\xe7&\xdc^\x97\xd3\xe6\xb0Y1": net/url: invalid control character in URL