parse "gopher://null.host:0/R@ BD\xdd\x13}\x9d\xb6\x01\xe0\x05\xb9\x97\x8d\xa6\x05@u\xbc]\a\xe4\xbbe\xb3V\xe0@\x14\x04\x05\x1a\x1cn": net/url: invalid control character in URL