docs: private static void installActionListener(final Action action, final Button button) {
  		action.setChangeListener(new Action.ActionChangeListener() {
  			
  			@Override
  			public void change() {
  				button.setEnabled(action.isEnabled());
  				button.setCaption(action.getName());
  				button.setDescription(action.getDescription());
  			}
  		});
  	}