Wed, 04 Oct 2017 12:00:53 +0200 wenzelm obsolete; Isabelle2017
Tue, 03 Oct 2017 19:03:47 +0200 wenzelm more NEWS;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 tip