Wed, 13 Oct 1999 19:44:15 +0200 isabelle-isar-ref;
wenzelm [Wed, 13 Oct 1999 19:44:15 +0200] rev 7858
isabelle-isar-ref;
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip