1.1 --- a/lemon/grid_ugraph.h	Wed Oct 18 15:18:27 2006 +0000
     1.2 +++ b/lemon/grid_ugraph.h	Fri Oct 20 12:05:54 2006 +0000
     1.3 @@ -293,7 +293,10 @@
     1.4    ///\endcode
     1.5    ///
     1.6    /// The graph type is fully conform to the \ref concept::UGraph
     1.7 -  /// "Undirected Graph" concept.
     1.8 +  /// "Undirected Graph" concept,  and it also has an
     1.9 +  ///important extra feature that
    1.10 +  ///its maps are real \ref concept::ReferenceMap "reference map"s.
    1.11 +  ///
    1.12    ///
    1.13    /// \author Balazs Dezso
    1.14    class GridUGraph : public ExtendedGridUGraphBase {