Tue, 29 Dec 2015 22:03:02 +0100 wenzelm more symbols;
Tue, 29 Dec 2015 21:54:18 +0100 wenzelm updated isabelle_fonts;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 tip