parse "gopher://null.host:0/å@G\x0f\xde\xfeW\x1cq\x9e\x94\xa5\x92\x19\x05\x16\uf76d\xe3A\xe7\xe5\x10_Q8\xb45\"\x89G\fk\x8d8\x839\x19\xc1": net/url: invalid control character in URL