lemon/bits/graph_extender.h
2008-09-15 Make copy constr and op= of the default maps private (ticket #137)
2008-07-15 Reorganize header files (Ticket #97)
2008-07-13 Apply unify-sources.sh to the source tree
2008-04-14 Fix bug #83 in graph concept, extender and smart graph
2008-03-21 Happy New Year! (Update Copyright dates)
2008-02-28 Renaming types and variables
2008-02-28 Fix bug #26 (UndirectedTagIndicator<> does not work)
2008-01-20 Port ListDigraph and ListGraph from svn -r 3433