Mon, 27 Jul 2009 21:47:41 +0200 krauss "more standard" argument order of relation composition (op O)
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip