Fri, 01 Dec 2017 15:49:01 +0100 proper synchronized Map: this may be used on multiple threads;
wenzelm [Fri, 01 Dec 2017 15:49:01 +0100] rev 67109
proper synchronized Map: this may be used on multiple threads;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip