parse "gopher://null.host:0/\x00(\xdc\xf4\xa6Qx\r\x14\x0e\x05\xa0ͫ\xbcM\xc99\xcf|\xc3\xcf.\xc4/\x8d\x0e7\x9a\x0e\x91iu\x1bp": net/url: invalid control character in URL