Wed, 31 Dec 2014 17:55:43 +0900 FUJIWARA Katsunori context: make unknown/ignored/clean of cached status empty for equivalence
(0) -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 tip