parse "gopher://null.host:0/Q$sm\x991\x19:\xc8/D\xacY\xaaq\xb6&\x98^\x87\xa1-R}t\x1d\xd1N\xedz\x82\x0f\x19.\x1b\xb8\xc6\b\x9d\xa0\xed$\x894": net/url: invalid control character in URL