Alpar Juttner <alpar@cs.elte.hu> [Tue, 02 Aug 2011 18:13:34 +0200] rev 422
Allow lgf file without Arc maps (#382)
A single '-' character in the @arcs sectio header indicates that
there is no arc map.
Alpar Juttner <alpar@cs.elte.hu> [Wed, 22 Sep 2010 09:24:07 +0200] rev 421
Merge bugfix #392 to branch 1.0
Alpar Juttner <alpar@cs.elte.hu> [Wed, 22 Sep 2010 08:53:09 +0200] rev 420
Bug fix in Dfs::start(s,t) (#392)