Mon, 07 Jan 2013 10:17:11 +0100 wenzelm slightly odd duplication of Pure options for Proof General (amending cb5cdbb645cd);
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip