Neat idea, but my opinion is there's a bigger problem that needs solving.
Personally I don't think the FAQ page holds much value any more, and lots of the content would be more fitting in either documentator, or, re-worked UI that makes things more self-intuitive.
One possible solution could be to retire the FAQ page, build a lightweight 'pages' system into the core, and then make the FAQ, Contact Admin, and Rules pages pre-installed page 'templates'.
Of course, whether 'pages' belongs in the core of a bulletin board system is another debate entirely