parse "gopher://null.host:0/°\xcfW\xa1@\x0f\x14>u\xd5ԗlHv\rP\x89Mr\xa3\xc2\xf3\x9b\xb8?L\xbd\xe82\xb4\xa8\xf8\"\x94\xbc\x04\xa9\x96\x9e\x90\x1f": net/url: invalid control character in URL