parse "gopher://null.host:0/cUVA*\xa4 \xebuV\xaf\xa8\x8a\xcdl\x01\x1c\xf0\x06m\x9e\x1b\x9f\xe6WS\xf9\x04\xebæ’®\xaer\xac4\x130": net/url: invalid control character in URL