parse "gopher://y\xd6\xe4\xf2\xb8ϑ\xa22[\x8b4\x19/?V%252F%3D%252522%25251f%2525ebK%25258f%2525f1%2525b7%252501%252500%252580%25253cj%252512%252500%252500%252500M%252502%252500%252500%2525a0I%252500%252500%2525004%252589": net/url: invalid control character in URL