code: public void externalEntityDecl (String name, String publicId,
                                               String systemId)
          throws SAXException
      {
        if (null != m_resultDeclHandler)
                                  m_resultDeclHandler.externalEntityDecl(name, publicId, systemId);
      }
docs: Report a parsed external entity declaration.
  
  <p>Only the effective (first) declaration for each entity
  will be reported.</p>
  
  @param name The name of the entity.  If it is a parameter
  entity, the name will begin with '%'.
  @param publicId The declared public identifier of the entity, or
  null if none was declared.
  @param systemId The declared system identifier of the entity.
  @exception SAXException The application may raise an exception.
  @see #internalEntityDecl
  @see org.xml.sax.DTDHandler#unparsedEntityDecl