diff --git a/lemon/dim2.h b/lemon/dim2.h
--- a/lemon/dim2.h
+++ b/lemon/dim2.h
@@ -259,10 +259,10 @@
 
 
 
-  /// Bounding box of plain vectors (\ref Point points).
+  /// Bounding box of plain vectors (points).
 
   /// A class to calculate or store the bounding box of plain vectors
-  /// (\ref Point points).
+  /// (\ref Point "points").
   template<typename T>
   class Box {
       Point<T> _bottom_left, _top_right;
@@ -573,9 +573,8 @@
     return os;
   }
 
-  ///Map of x-coordinates of a \ref Point "Point"-map
+  ///Map of x-coordinates of a <tt>Point</tt>-map
 
-  ///\ingroup maps
   ///Map of x-coordinates of a \ref Point "Point"-map.
   ///
   template<class M>
@@ -592,11 +591,9 @@
     void set(Key k,Value v) {_map.set(k,typename M::Value(v,_map[k].y));}
   };
 
-  ///Returns an \ref XMap class
+  ///Returns an XMap class
 
-  ///This function just returns an \ref XMap class.
-  ///
-  ///\ingroup maps
+  ///This function just returns an XMap class.
   ///\relates XMap
   template<class M>
   inline XMap<M> xMap(M &m)
@@ -610,10 +607,9 @@
     return XMap<M>(m);
   }
 
-  ///Constant (read only) version of \ref XMap
+  ///Constant (read only) version of XMap
 
-  ///\ingroup maps
-  ///Constant (read only) version of \ref XMap
+  ///Constant (read only) version of XMap.
   ///
   template<class M>
   class ConstXMap
@@ -628,11 +624,9 @@
     Value operator[](Key k) const {return _map[k].x;}
   };
 
-  ///Returns a \ref ConstXMap class
+  ///Returns a ConstXMap class
 
-  ///This function just returns a \ref ConstXMap class.
-  ///
-  ///\ingroup maps
+  ///This function just returns a ConstXMap class.
   ///\relates ConstXMap
   template<class M>
   inline ConstXMap<M> xMap(const M &m)
@@ -640,9 +634,8 @@
     return ConstXMap<M>(m);
   }
 
-  ///Map of y-coordinates of a \ref Point "Point"-map
+  ///Map of y-coordinates of a <tt>Point</tt>-map
 
-  ///\ingroup maps
   ///Map of y-coordinates of a \ref Point "Point"-map.
   ///
   template<class M>
@@ -659,11 +652,9 @@
     void set(Key k,Value v) {_map.set(k,typename M::Value(_map[k].x,v));}
   };
 
-  ///Returns a \ref YMap class
+  ///Returns a YMap class
 
-  ///This function just returns a \ref YMap class.
-  ///
-  ///\ingroup maps
+  ///This function just returns a YMap class.
   ///\relates YMap
   template<class M>
   inline YMap<M> yMap(M &m)
@@ -677,10 +668,9 @@
     return YMap<M>(m);
   }
 
-  ///Constant (read only) version of \ref YMap
+  ///Constant (read only) version of YMap
 
-  ///\ingroup maps
-  ///Constant (read only) version of \ref YMap
+  ///Constant (read only) version of YMap.
   ///
   template<class M>
   class ConstYMap
@@ -695,11 +685,9 @@
     Value operator[](Key k) const {return _map[k].y;}
   };
 
-  ///Returns a \ref ConstYMap class
+  ///Returns a ConstYMap class
 
-  ///This function just returns a \ref ConstYMap class.
-  ///
-  ///\ingroup maps
+  ///This function just returns a ConstYMap class.
   ///\relates ConstYMap
   template<class M>
   inline ConstYMap<M> yMap(const M &m)
@@ -708,12 +696,10 @@
   }
 
 
-  ///\brief Map of the \ref Point::normSquare() "normSquare()"
-  ///of a \ref Point "Point"-map
+  ///\brief Map of the normSquare() of a <tt>Point</tt>-map
   ///
   ///Map of the \ref Point::normSquare() "normSquare()"
   ///of a \ref Point "Point"-map.
-  ///\ingroup maps
   template<class M>
   class NormSquareMap
   {
@@ -727,11 +713,9 @@
     Value operator[](Key k) const {return _map[k].normSquare();}
   };
 
-  ///Returns a \ref NormSquareMap class
+  ///Returns a NormSquareMap class
 
-  ///This function just returns a \ref NormSquareMap class.
-  ///
-  ///\ingroup maps
+  ///This function just returns a NormSquareMap class.
   ///\relates NormSquareMap
   template<class M>
   inline NormSquareMap<M> normSquareMap(const M &m)