parse "gopher://null.host:0/·\x1d8\xf1\xceN\x82\u007f\x04ֳ\xf4\xc3\xc7\xecb\xf6\xb4\x9ci\x18\xab\x1c>Gk\x85w\x15kw": net/url: invalid control character in URL