Peter Kovacs <kpeter@inf.elte.hu> [Tue, 14 Apr 2009 10:34:12 +0200] rev 627
Standard graph maps are required to be reference maps (#190)
Peter Kovacs <kpeter@inf.elte.hu> [Tue, 14 Apr 2009 10:33:17 +0200] rev 626
Various improvements and fixes (mainly in the doc) (#190)