parse "gopher://null.host:0/\x1f2C<\x1d\x8em\xa5\xa5ӎ\x8c\x83|\x06\xdd\x1ew\x1b\xf8\xb0Ʌ\xdd\xde\x04\x8d\x14\xd63\xf2\x96\xa0\xd6c@wܧa\xb3\xa1\x8eh\xed\xf3\xee\xbaKi\x17": net/url: invalid control character in URL