diff -r da142c310d02 -r 4274224f8a7d lemon/lemon_reader.h
--- a/lemon/lemon_reader.h	Tue Oct 24 16:49:41 2006 +0000
+++ b/lemon/lemon_reader.h	Tue Oct 24 17:19:16 2006 +0000
@@ -41,7 +41,7 @@
 #include <lemon/dim2.h>
 
 #include <lemon/concept_check.h>
-#include <lemon/concept/maps.h>
+#include <lemon/concepts/maps.h>
 
 namespace lemon {
 
@@ -831,7 +831,7 @@
     template <typename Reader, typename Map, typename MapParameter>
     NodeSetReader& _readMap(std::string name, MapParameter map, 
 			    const Reader& reader = Reader()) {
-      checkConcept<concept::WriteMap<Node, typename Map::Value>, Map>();
+      checkConcept<concepts::WriteMap<Node, typename Map::Value>, Map>();
       checkConcept<_reader_bits::ItemReader<typename Map::Value>, Reader>();
       if (readers.find(name) != readers.end()) {
 	ErrorMessage msg;
@@ -1061,7 +1061,7 @@
     template <typename Reader, typename Map, typename MapParameter>
     EdgeSetReader& _readMap(std::string name, MapParameter map, 
 			    const Reader& reader = Reader()) {
-      checkConcept<concept::WriteMap<Edge, typename Map::Value>, Map>();
+      checkConcept<concepts::WriteMap<Edge, typename Map::Value>, Map>();
       checkConcept<_reader_bits::ItemReader<typename Map::Value>, Reader>();
       if (readers.find(name) != readers.end()) {
 	ErrorMessage msg;
@@ -1305,7 +1305,7 @@
     template <typename Reader, typename Map, typename MapParameter>
     UEdgeSetReader& _readMap(std::string name, MapParameter map,
 				 const Reader& reader = Reader()) {
-      checkConcept<concept::WriteMap<UEdge, typename Map::Value>, Map>();
+      checkConcept<concepts::WriteMap<UEdge, typename Map::Value>, Map>();
       checkConcept<_reader_bits::ItemReader<typename Map::Value>, Reader>();
       if (readers.find(name) != readers.end()) {
 	ErrorMessage msg;
@@ -1376,7 +1376,7 @@
     UEdgeSetReader& _readDirMap(std::string name, MapParameter map,
 				    const Reader& reader = Reader()) { 
       checkConcept<_reader_bits::ItemReader<typename Map::Value>, Reader>();
-      checkConcept<concept::WriteMap<Edge, typename Map::Value>, Map>();
+      checkConcept<concepts::WriteMap<Edge, typename Map::Value>, Map>();
       readMap("+" + name, 
 	      _reader_bits::forwardComposeMap(graph, map), reader);
       readMap("-" + name,