parse "gopher://\\\xa5v\xc0-\x80\x8a7\xbe\xc3\xc0\vt\x89\x05\xe3\xd1\xdd\xedsϺ:0/éOx\r\xb7\x1b\xceR\xeak\x84(ʼ\xe6\xa6\x12ݭ\b": net/url: invalid control character in URL