Random idea: create an ikiwiki IRC bot, which notices the use of ikiwiki syntax in the channel and translates. This would work nicely for "frequently-given answer" bots like dpkg on #debian, since you could give answers by linking to wiki pages. ikibot could also excerpt page content.
<newikiuser> How do I set up ikiwiki with Git?
- <ikihacker> [[setup]]
+ <ikihacker> \[[setup]]
<ikibot> http://ikiwiki.info/setup.html: "This tutorial will walk you through setting up a wiki with ikiwiki. ..."
---[[JoshTriplett]]
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+--[[JoshTriplett]]
+
+[[wishlist]]