Tue, 17 Aug 2010 12:30:31 +0200 haftmann added section on program refinement
Tue, 17 Aug 2010 12:30:30 +0200 haftmann tuned whitespace
Tue, 17 Aug 2010 15:54:04 +0200 wenzelm tune;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip