code: @Test public void testBasic() throws Exception {
  {
      Parser<Object> p=new Parser<Object>("abc %hello");
      p.setContext(context);
      Node t=p.parse();
      Converter<Object> head=p.compile(t,converterMap);
      String result=write(head,new Object());
      assertEquals("abc Hello",result);
    }
  {
      Parser<Object> p=new Parser<Object>("abc %hello %OTT");
      p.setContext(context);
      Node t=p.parse();
      Converter<Object> head=p.compile(t,converterMap);
      String result=write(head,new Object());
      assertEquals("abc Hello 123",result);
    }
  }
  