Fri, 21 May 1999 11:37:36 +0200 wenzelm added default_prompt;
Fri, 21 May 1999 11:36:56 +0200 wenzelm optional limit;
Fri, 21 May 1999 11:36:02 +0200 wenzelm improved errors;
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip