t1.setInputLocation("t1top");

        Xpp3Dom t1s1 = new Xpp3Dom("topsub1");
        t1s1.setValue("t1s1Value");
        t1s1.setInputLocation("t1s1");

        t1.addChild(t1s1);

        // create the recessive DOM
        Xpp3Dom t2 = new Xpp3Dom("top");
        t2.setInputLocation("t2top");

        Xpp3Dom t2s1 = new Xpp3Dom("topsub1");