code: public void setSummary(String summary)
      {
          _tableState.registerAttribute(AbstractHtmlState.ATTR_GENERAL, HtmlConstants.SUMMARY, summary);
      }
docs: Sets the summary attribute for the HTML table tag.
  @param summary the summary
  @jsptagref.attributedescription The summary for the HTML table tag.
  @jsptagref.attributesyntaxvalue <i>string_summary</i>
  @netui:attribute required="false" rtexprvalue="true"
  description="The summary for the HTML table tag."