Peter Kovacs <kpeter@inf.elte.hu> [Mon, 05 Apr 2010 23:41:05 +0200] rev 883
Add an undirected() function (#364)
Peter Kovacs <kpeter@inf.elte.hu> [Mon, 05 Apr 2010 23:33:57 +0200] rev 882
Add missing UndirectedTags (#364)
Alpar Juttner <alpar@cs.elte.hu> [Wed, 17 Mar 2010 14:05:23 +0100] rev 881
Update NEWS file