parse "gopher://null.host:0/7\xce\x7fP\xdb\xed\x10\xf7\x11(m\xa4\xd0\f\xd4\xed\\w\r\x92\xab\xa9@(\xa7\xc7Ϭ\xec2k\xec\xc9\x1e|": net/url: invalid control character in URL