parse "gopher://null.host:0/¿\xc0\v\xb0\x86\xcd\x1d\xcfnu\xe0\xf3\xfb\xf8\xd5\u05edB\x8c:\xce\xc8m\x9f\x86\xa4\xa3eD\x96Cϩ": net/url: invalid control character in URL