1.1 --- a/lemon/planarity.h	Wed Sep 12 17:29:50 2012 +0200
     1.2 +++ b/lemon/planarity.h	Thu Sep 13 12:05:34 2012 +0200
     1.3 @@ -72,7 +72,6 @@
     1.4        }
     1.5  
     1.6        void discover(const Arc& arc) {
     1.7 -        Node source = _graph.source(arc);
     1.8          Node target = _graph.target(arc);
     1.9  
    1.10          _tree_map[arc] = true;