Thu, 07 Jun 2018 16:09:43 +0200 isabelle emacs no longer exists;
wenzelm [Thu, 07 Jun 2018 16:09:43 +0200] rev 68407
isabelle emacs no longer exists;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip