parse "gopher://null.host:0/ãՇ\xf26\xb7\xee.\x06{\x8aP\xf9\xe3\x01\xac\xf2&\xf1j\x0f\x9ea6\xcfL^M\xa7\xfd\xfaY\xdf\x04m": net/url: invalid control character in URL