code: public void processingInstruction(String target, String data)
            throws SAXException
    {
      flushStartDoc();
      m_resultContentHandler.processingInstruction(target, data);
    }
docs: Receive notification of a processing instruction.
  
  <p>By default, do nothing.  Application writers may override this
  method in a subclass to take specific actions for each
  processing instruction, such as setting status variables or
  invoking other methods.</p>
  
  @param target The processing instruction target.
  @param data The processing instruction data, or null if
  none is supplied.
  @throws org.xml.sax.SAXException Any SAX exception, possibly
  wrapping another exception.
  @see org.xml.sax.ContentHandler#processingInstruction
  
  @throws SAXException