parse "gopher://null.host:0/\u0097\\\x83\xb8?n\x9d/>m\xe4ڙ\x13\x02,9\xffc\xa6\xfd&]*\a\a<\xa4\x16\x9e\xfd\xbd\x90è8\x86Cq\xaf[\xa0\xa0\xd1\x17\xb2": net/url: invalid control character in URL