parse "gopher://null.host:0/²\xa7\xba\xbc\xa7U?\xbd\xa2\xc2A~\xf6\xc9\xf0(\xab\x85\xa3Ѣ\xf3\x9d\xe5\xce\xe8\xf9\xc9\xdbb\x1c\xd3>\x12\xf3\xe4\xa3\xdf\x118Ō\"\xa0\xcd\xcf": net/url: invalid control character in URL