diff -r da142c310d02 -r 4274224f8a7d test/preflow_test.cc
--- a/test/preflow_test.cc	Tue Oct 24 16:49:41 2006 +0000
+++ b/test/preflow_test.cc	Tue Oct 24 17:19:16 2006 +0000
@@ -23,21 +23,21 @@
 #include <lemon/smart_graph.h>
 #include <lemon/dimacs.h>
 #include <lemon/preflow.h>
-#include <lemon/concept/graph.h>
-#include <lemon/concept/maps.h>
+#include <lemon/concepts/graph.h>
+#include <lemon/concepts/maps.h>
 
 using namespace lemon;
 
 void check_Preflow() 
 {
   typedef int VType;
-  typedef concept::Graph Graph;
+  typedef concepts::Graph Graph;
 
   typedef Graph::Node Node;
   typedef Graph::Edge Edge;
-  typedef concept::ReadMap<Edge,VType> CapMap;
-  typedef concept::ReadWriteMap<Edge,VType> FlowMap;
-  typedef concept::ReadWriteMap<Node,bool> CutMap;
+  typedef concepts::ReadMap<Edge,VType> CapMap;
+  typedef concepts::ReadWriteMap<Edge,VType> FlowMap;
+  typedef concepts::ReadWriteMap<Node,bool> CutMap;
  
   typedef Preflow<Graph, int, CapMap, FlowMap> PType;