parse "gopher://null.host:0/öKm\x96\x0e\xcc\xd4/\xdaeA\x98\xb6\xc8z\f:\x00\\\xd0Ǚ\u0382\xa3\f\xf7\x0f\x03\xb3a\u008a\xaba\xceo\a\xc0\xf7r": net/url: invalid control character in URL