foreach ($context['key_words'] as $keyword)

 				{

 					$keyword = un_htmlspecialchars($keyword);

 					$keyword = preg_replace_callback('~(&#(\d{1,7}|x[0-9a-fA-F]{1,6});)~', 'entity_fix__callback', strtr($keyword, array('\\\'' => '\'', '&' => '&')));

 					if (preg_match('~[\'\.,/@%&;:(){}\[\]_\-+\\\\]$~', $keyword) != 0 || preg_match('~^[\'\.,/@%&;:(){}\[\]_\-+\\\\]~', $keyword) != 0)