@Override
		protected int writePOJO(STWriter out, InstanceScope scope, Object o, String[] options) throws IOException {
			Class<?> type = o.getClass();
			String name = type.getSimpleName();
			out.write("<pojo:"+name+">"+o.toString()+"</pojo:"+name+">");
			evals.add("<pojo:" + name + ">" + o.toString() + "</pojo:" + name + ">");
			return super.writePOJO(out, scope, o, options);
		}
Add tags around each attribute/template/value write
tool-testsuite/test/org/antlr/v4/test/tool/TestCodeGeneration.java