1.1 --- a/src/hugo/smart_graph.h	Wed Aug 04 18:54:17 2004 +0000
     1.2 +++ b/src/hugo/smart_graph.h	Wed Aug 04 18:55:24 2004 +0000
     1.3 @@ -28,6 +28,12 @@
     1.4    ///\sa \ref GraphSkeleton.
     1.5    ///
     1.6    ///\todo Some member functions could be \c static.
     1.7 +  ///
     1.8 +  ///\todo A possibly useful functionality: a function saveState() would
     1.9 +  ///give back a data sturcture X and then the function restoreState(X)
    1.10 +  ///would remove the nodes and edges added after the call of saveState().
    1.11 +  ///Of course it should be used as a stack. (Maybe X is not necessary.)
    1.12 +  ///
    1.13    ///\author Alpar Juttner
    1.14    class SmartGraph {
    1.15