code: public function onParse($finalText) {
  		// if a specific post-parse function was defined, it is called
  		$func = $this->getParam('postParseFunction');
  		if (isset($func))
  			$finalText = $func($finalText);
  		// add footnotes' content if needed
  		if ($this->getParam('addFootnotes')) {
  			$footnotes = $this->getFootnotes();
  			if (!empty($footnotes))
  				$finalText .= "\n" . $footnotes;
  		}
  		// ???
  		$finalText .= str_repeat('</section>', count($this->_sectionLevel));
  		return ($finalText);
  	}
docs: Method called for post-parse processing.
  @param	string	$finalText	The generated text.
  @return	string	The text after post-processing.