Sat, 09 Jan 2010 09:38:34 +0100 Christian Urban introduced separate match function
Sat, 09 Jan 2010 08:52:06 +0100 Christian Urban removed obsolete equiv_relation and rnamed new_equiv_relation
(0) -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 tip