parse "gopher://null.host:0/Ð\xd0d\x06\xedeP9\x06\x1d\x16\xa0\x1e\x02ԟA7\x18t\x9d 8\xb0-\x83\x9a\bPK\x06E\xd0^\xb9": net/url: invalid control character in URL