protected void insertTextContent(StringBuffer buf) throws DOMException {
  String content=getNodeValue();
  if (content != null) {
    buf.insert(0,content);
  }
}

protected void insertTextContent ( StringBuffer buf ) throws DOMException { String content = getNodeValue ( ) ; if ( content != null ) { buf . insert ( 0 , content ) ; } }
internal method taking a stringbuffer in parameter and inserts the text content at the start of the buffer
