Darwin Information Typing Architecture

How exciting is that for a friday evening?  DITA is a technical documentation standard - the kind of thing that engineers who have been staring for years at technical manuals get excited about.  It's formal and structured and has rules - basically the opposite of the wiki, which is free form and emergent.  And yet they're both about capturing knowledge.

So my question becomes - what happens when you put them both in a bag and shake?