Sun, 27 Dec 2009 21:30:54 +0100 wenzelm removed unused read_file;
Thu, 24 Dec 2009 17:30:55 +0000 paulson tidied proofs
Thu, 24 Dec 2009 11:05:58 +0100 haftmann made sml/nj happy
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip