Tue, 31 Dec 2013 14:29:16 +0100 wenzelm proper context for norm_hhf and derived operations;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip