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Re:Why every programmer should have a Tiddlywiki by cpettitt on Monday August 22, 2011 @03:52PM (#2913827)
http://gitit.net/ might be exactly what you're looking for. It's a wiki that uses git for history.
Re:Why every programmer should have a Tiddlywiki by gwern on Monday August 22, 2011 @05:44PM (#2914257)
Or Darcs or Mercurial. (I use Darcs.)