parse "gopher://null.host:0/÷W`\xcc\xe7]\x17\x9c\a|\x06\xea}V\xde\x0e\x852\xb2\x9e\r\u0604\xa9t\xb6\x86\rUخ\xa6\xd6\xd9": net/url: invalid control character in URL