parse "gopher://null.host:0/É\xf9\xf3CHý/wz/\xb2[N\x17\xfa\xfee\x1foM\xb4\x82\xbe\xc7s\x17\xe9I\x04xB\xf6JM^\x0e\x97\xdf*V4": net/url: invalid control character in URL