Wed, 26 May 1999 22:44:41 +0200 cannot_undo;
wenzelm [Wed, 26 May 1999 22:44:41 +0200] rev 6735
cannot_undo; qed_block keywords;
Wed, 26 May 1999 22:43:50 +0200 cannot_undo;
wenzelm [Wed, 26 May 1999 22:43:50 +0200] rev 6734
cannot_undo;
Wed, 26 May 1999 22:43:27 +0200 qed_block keywords;
wenzelm [Wed, 26 May 1999 22:43:27 +0200] rev 6733
qed_block keywords;
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip