2000-12-16 'def': equiv;
wenzelm [Sat, 16 Dec 2000 21:41:14 +0100] rev 10686
'def': equiv;
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip