equal
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    52   };  | 
    52   };  | 
    53   | 
    53   | 
    54   template <typename Graph>  | 
    54   template <typename Graph>  | 
    55   struct KeyInfo<Graph, typename Graph::SymEdgeIt> { | 
    55   struct KeyInfo<Graph, typename Graph::SymEdgeIt> { | 
    56     static int maxId(const Graph& graph) { | 
    56     static int maxId(const Graph& graph) { | 
    57       return graph.maxEdgeId() >> 1;  | 
    57       return graph.maxSymEdgeId();  | 
    58     }  | 
    58     }  | 
    59     static int id(const Graph& graph, const typename Graph::Edge& edge) { | 
    59     static int id(const Graph& graph, const typename Graph::SymEdge& edge) { | 
    60       return graph.id(edge) >> 1;  | 
    60       return graph.id(edge);  | 
    61     }  | 
    61     }  | 
    62   };  | 
    62   };  | 
    63   | 
    63   | 
    64   /// @}  | 
    64   /// @}  | 
    65 }  | 
    65 }  |