code: private void addList(final WList.Type type, final WList.Separator separator,
  			final boolean renderBorder, final WComponent renderer) {
  		WList list = new WList(type);
  
  		if (separator != null) {
  			list.setSeparator(separator);
  		}
  
  		list.setRenderBorder(renderBorder);
  		list.setRepeatedComponent(renderer);
  		add(list);
  
  		lists.add(list);
  	}
docs: Adds a list to the example.
  
  @param type the list type.
  @param separator the list item separator.
  @param renderBorder true to render a border around the list, false otherwise.
  @param renderer the component to use to render items in the list.