Thu, 08 May 2014 12:54:33 +0200 desharna document 'map_id0'
Thu, 08 May 2014 12:54:02 +0200 desharna note map_id0 more often
Wed, 14 May 2014 11:33:38 +0200 nipkow added lemma
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 tip