parse "gopher://null.host:0/\x18\xeaL\xcfA\x99\xc7I7q\x02\xb3$,\xc1L\xb6ؾ\xed\b'\xdf\x13\xf4\xf5H!\xbc\x9b\x16\xac\x9b{\xa8\x1bk_\xc99Y\xc43\xbc\x87\xd4kr": net/url: invalid control character in URL