Tue, 05 Sep 2000 18:49:02 +0200 use 'iff' modifier;
wenzelm [Tue, 05 Sep 2000 18:49:02 +0200] rev 9858
use 'iff' modifier;
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip