Wed, 20 May 1998 18:57:16 +0200 wenzelm source vs. source';
Wed, 20 May 1998 18:56:59 +0200 wenzelm tuned keywords;
Wed, 20 May 1998 18:56:36 +0200 wenzelm added is_stale;
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip