parse "gopher://null.host:0/êq\x8c{u6_\x1f\xc0\x8bB0\x0ea\x82\x9e\x9e\x9b\xbc\x9bq\x99?\xc3\xd3\a\xa2\xbc\x9b\u007f": net/url: invalid control character in URL