parse "gopher://null.host:0/ÿj\x83`\xbe\x01\xe7\xef\a¡\x86\r\x04\x1f\x98\xbf\xc5S\xe79\x9b\x9e\x05|}\f\xcbE\x04\x84[\x9d": net/url: invalid control character in URL