～略～
	/**
	 * to render the content
	 * replace the contents which were already output
	 * @param $format Format specified in the renderer
	 * @param $renderer reference renderer
	 * @param $data value returned by handler
	 * 
	 * <h3><a name="title" id="title">title</a></h3>
	 * <h3><a name="title1" id="title1">title</a></h3>
	 * Even the same title at the same level, it is unique
	 */
	public function render($format, &$renderer, $data)
	{
		if ($format == 'xhtml' && $data)
		{
			$rows   = explode("\n", $renderer->doc);
			$target = $rows[count($rows) - 5];
			//preg_match('|^(<h[1-6])(>)(.+?)(</h[1-6]>)$|', $target, $matches);
			preg_match('|^(<h[1-6])(.*?>)(.+?)(</h[1-6]>)$|', $target, $matches);
			$renderer->doc = strtr($renderer->doc, array($target => $matches[1].$data.$matches[2].$matches[3].$matches[4]));
			return true;
		}
		return false;
	}
～略～