parse "gopher://null.host:0/\u0086ϲ.,\xc3\x16\xf6O-fӴ\xa1\x90\x90\xb94\x8dĜ\xf7\xbe\x8dp\x9eʦ\xdbL\xf8y\x94ݠ^YC\xaf\x97\x9e\xeek\xe2": net/url: invalid control character in URL