Tue, 24 Mar 1998 16:57:40 +0100 added try, single, many;
wenzelm [Tue, 24 Mar 1998 16:57:40 +0100] rev 4756
added try, single, many; improved source: prompt;
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip