1.1 --- a/lemon/list_graph.h	Thu Jan 11 21:27:51 2007 +0000
     1.2 +++ b/lemon/list_graph.h	Thu Jan 11 21:35:14 2007 +0000
     1.3 @@ -765,6 +765,7 @@
     1.4  
     1.5      class UEdge {
     1.6        friend class ListUGraphBase;
     1.7 +      friend class ListUGraphBase::Edge;
     1.8      protected:
     1.9  
    1.10        int id;