Sat, 21 Apr 2012 11:02:01 +0200 added covariant relator set_rel, with transfer rules for set operations
huffman [Sat, 21 Apr 2012 11:02:01 +0200] rev 47648
added covariant relator set_rel, with transfer rules for set operations
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip