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Refactor drawing code to use pairs everywhere.
Fri, 13 Jul 2012 23:47:08 -0400, by Steve Losh
Don't redraw the screen more times than is necessary.
Fri, 13 Jul 2012 23:41:30 -0400, by Steve Losh
Refactor the drawing code a bit.
Fri, 13 Jul 2012 23:34:53 -0400, by Steve Losh

less more | at revision 27: (0) -10 -3 +3 +10 tip