Fri, 26 Jun 2009 20:07:34 +0200 wenzelm completion: decode symbols only if isabelle encoding is active (to prevent unicode chars written back to file);
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip