parse "gopher://null.host:0/ìr/\xd4\x01@\x05M`\xc7 x'C\x10\x1d\x90\x11*\xbc\x87!\xc8\x15\x90\xf9\xa8\xf0n\x06L\r\x9c^\x8a": net/url: invalid control character in URL