Wed, 04 Apr 2007 00:11:03 +0200 wenzelm removed obsolete sign_of/sign_of_thm;
Wed, 04 Apr 2007 00:10:59 +0200 wenzelm ML antiquotes;
Tue, 03 Apr 2007 19:31:48 +0200 wenzelm tuned comments;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip