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Merge.
Sat, 08 Sep 2012 13:45:05 -0400, by Steve Losh
Reword a bit to hint at a later chapter.
Tue, 24 Apr 2012 14:30:05 +0100, by Steve Losh
Typo.
Tue, 24 Apr 2012 14:29:57 +0100, by Steve Losh

less more | at revision 133: (0) -100 -30 -10 -3 +3 +10 +30 +100 tip