Wed, 30 Dec 2015 21:57:52 +0100 wenzelm isabelle update_cartouches -c -t;
Wed, 30 Dec 2015 21:56:12 +0100 wenzelm more symbols;
Wed, 30 Dec 2015 21:52:00 +0100 wenzelm more symbols;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip