docs: public List<CmsListItem> getSelectedItems() {
  
          Iterator<String> it = CmsStringUtil.splitAsList(
              getParamSelItems(),
              CmsHtmlList.ITEM_SEPARATOR,
              true).iterator();
          List<CmsListItem> items = new ArrayList<CmsListItem>();
          while (it.hasNext()) {
              String id = it.next();
              items.add(getList().getItem(id));
          }
          return items;
      }