Sat, 09 Feb 2013 21:42:53 +0200 Oleksandr Gavenko apt_preferences(5).
Sat, 09 Feb 2013 21:25:38 +0200 Oleksandr Gavenko /etc/apt/preferences
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 tip