parse "gopher://null.host:0/Øyi!\xd1\x1a\\\xf5p\x16\x17\xbdZ\xe1\x05\xed7\x1b\xd4\xda\xe8\x1e\x81`\xe07\x80k\"L0\x10\x1d\xfd*\x87w^": net/url: invalid control character in URL