Tue, 03 Nov 2015 16:49:44 +0100 prefer Isabelle/Scala Future;
wenzelm [Tue, 03 Nov 2015 16:49:44 +0100] rev 61561
prefer Isabelle/Scala Future;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip