diff -r c010b38ea35b -r f3a30fda2e49 src/hugo/skeletons/graph.h
--- a/src/hugo/skeletons/graph.h	Thu Sep 16 19:18:18 2004 +0000
+++ b/src/hugo/skeletons/graph.h	Thu Sep 16 19:23:41 2004 +0000
@@ -432,14 +432,14 @@
     /// This class provides everything that \c StaticGraphSkeleton
     /// with additional functionality which enables to build a
     /// graph from scratch.
-    class GraphSkeleton : public StaticGraphSkeleton
+    class ExtendableGraphSkeleton : public StaticGraphSkeleton
     {
     public:
       /// Defalult constructor.
 
       /// Defalult constructor.
       ///
-      GraphSkeleton() { }
+      ExtendableGraphSkeleton() { }
       ///Add a new node to the graph.
 
       /// \return the new node.
@@ -464,7 +464,7 @@
   
     /// This class is an extension of \c GraphSkeleton. It also makes it
     /// possible to erase edges or nodes.
-    class ErasableGraphSkeleton : public GraphSkeleton
+    class ErasableGraphSkeleton : public ExtendableGraphSkeleton
     {
     public:
       /// Defalult constructor.