/** @see com.itextpdf.text.xml.simpleparser.SimpleXMLDocHandler#endElement(java.lang.String) */
 public void endElement(final String tag) {
   HTMLTagProcessor htmlTag = tags.get(tag);
   if (htmlTag == null) {
     return;
   }
   // process the tag
   try {
     htmlTag.endElement(this, tag);
   } catch (DocumentException e) {
     throw new ExceptionConverter(e);
   }
 }