code: public void emptyElement (String uri, String localName)
      throws SAXException
      {
          emptyElement(uri, localName, "", EMPTY_ATTS);
      }
docs: Add an empty element without a qname or attributes.
  
  <p>This method will supply an empty string for the qname
  and an empty attribute list.  It invokes
  {@link #emptyElement(String, String, String, Attributes)}
  directly.</p>
  
  @param uri The element's Namespace URI.
  @param localName The element's local name.
  @exception org.xml.sax.SAXException If a filter
  further down the chain raises an exception.
  @see #emptyElement(String, String, String, Attributes)