parse "gopher://null.host:0/£5\x87\xa5\xf4\xc5/m\x9a\xa1\xb3\xb4RXᥟ>\xd8S5g`\x97I\x1dK\\\x87\xa0\x02\x81~\xa3,\x02\x1e\x8a]3\xbe\x98\xf6|": net/url: invalid control character in URL