Sat, 26 Nov 2011 14:14:51 +0100 memoing of forked proofs;
wenzelm [Sat, 26 Nov 2011 14:14:51 +0100] rev 45643
memoing of forked proofs;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip