-introduction has a link misformed, so is displaying part of link code.
http://help.joomla.org/content/view/13/182/Introduction
patTemplate is an XML based Templating Engine available at Title="Outgoing link (in new window)" target="_blank" href="http://www.PHP-tools.de/">http://www.php-tools.de.
sp -- my should be may
http://help.joomla.org/content/view/121/182/Tag Namespaces
All patTemplate tags must include a namespace which is used to distinguish the patTemplate XML markup tags from regular HTML, xHTML and other XML tags. The default namespace is patTemplate but you my may change this as desired by calling the setNamespace method.
http://help.joomla.org/content/view/130/182/
http://help.joomla.org/content/view/129/182/
This uses part of the above, and is totally out of place in the context.
That's all I spotted so far, while reading up on patTemplates.
Hope it is correct place to post....