Note that this feature is not available in latest released pasdoc version, 0.10.0. You must download and compile pasdoc yourself or use DevelopmentSnapshots to use this feature.
This produces a simple XML document for each unit. The XML contains the parsed code tree, and the descriptions (with @-tags replaced with some XML elements formatting). This allows you to easily write other programs that process these XML documents and do.. something. Like convert it for your CMS or wiki.