diff --git a/src/OpenMesh/Tools/Subdivider/Uniform/LoopT.hh b/src/OpenMesh/Tools/Subdivider/Uniform/LoopT.hh
index 9db78b72..ef87efe9 100644
--- a/src/OpenMesh/Tools/Subdivider/Uniform/LoopT.hh
+++ b/src/OpenMesh/Tools/Subdivider/Uniform/LoopT.hh
@@ -143,8 +143,11 @@ protected:
   }
 
 
-  bool subdivide( mesh_t& _m, size_t _n)
+  bool subdivide( mesh_t& _m, size_t _n, const bool _update_positions = true)
   {
+
+    ///TODO:Implement fixed positions
+
     typename mesh_t::FaceIter   fit, f_end;
     typename mesh_t::EdgeIter   eit, e_end;
     typename mesh_t::VertexIter vit;
@@ -169,7 +172,7 @@ protected:
       // Attention! Creating new edges, hence make sure the loop ends correctly.
       e_end = _m.edges_end();
       for (eit=_m.edges_begin(); eit != e_end; ++eit)
-  split_edge(_m, eit.handle() );
+        split_edge(_m, eit.handle() );
 
 
       // Commit changes in topology and reconsitute consistency
@@ -179,7 +182,6 @@ protected:
       for (fit = _m.faces_begin(); fit != f_end; ++fit)
         split_face(_m, fit.handle() );
 
-
       // Commit changes in geometry
       for ( vit  = _m.vertices_begin();
             vit != _m.vertices_end(); ++vit)
@@ -207,7 +209,7 @@ private:
       using std::cos;
 #endif
       //              1
-      // alpha(n) = ---- * (40 - ( 3 + 2 cos( 2 Pi / n ) )² )
+      // alpha(n) = ---- * (40 - ( 3 + 2 cos( 2 Pi / n ) )� )
       //             64
 
       if (++valence)
@@ -395,7 +397,7 @@ private: // geometry helper
   {
     typename mesh_t::Point            pos(0.0,0.0,0.0);
 
-    if (_m.is_boundary(_vh)) // if boundary: Point 1-6-1
+    if (_m.is_boundary(_vh) ) // if boundary: Point 1-6-1
     {
       typename mesh_t::HalfedgeHandle heh, prev_heh;
       heh      = _m.halfedge_handle( _vh );
diff --git a/src/OpenMesh/Tools/Subdivider/Uniform/ModifiedButterFlyT.hh b/src/OpenMesh/Tools/Subdivider/Uniform/ModifiedButterFlyT.hh
index efc84f2f..29901f93 100644
--- a/src/OpenMesh/Tools/Subdivider/Uniform/ModifiedButterFlyT.hh
+++ b/src/OpenMesh/Tools/Subdivider/Uniform/ModifiedButterFlyT.hh
@@ -174,8 +174,11 @@ protected:
   }
 
 
-  bool subdivide( mesh_t& _m, size_t _n)
+  bool subdivide( MeshType& _m, size_t _n , const bool _update_positions = true)
   {
+
+    ///TODO:Implement fixed positions
+
     typename mesh_t::FaceIter   fit, f_end;
     typename mesh_t::EdgeIter   eit, e_end;
     typename mesh_t::VertexIter vit;
diff --git a/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3InterpolatingSubdividerLabsikGreinerT.hh b/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3InterpolatingSubdividerLabsikGreinerT.hh
index 12b59d7a..9dc56460 100644
--- a/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3InterpolatingSubdividerLabsikGreinerT.hh
+++ b/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3InterpolatingSubdividerLabsikGreinerT.hh
@@ -191,8 +191,11 @@ protected:
   }
 
 
-  bool subdivide( MeshType& _m, size_t _n )
+  bool subdivide( MeshType& _m, size_t _n , const bool _update_positions = true)
   {
+
+    ///TODO:Implement fixed positions
+
     typename MeshType::VertexIter       vit;
     typename MeshType::VertexVertexIter vvit;
     typename MeshType::EdgeIter         eit;
diff --git a/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh b/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh
index 6a324589..61e9e819 100644
--- a/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh
+++ b/src/OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh
@@ -155,9 +155,11 @@ protected:
     return true;
   }
 
-
-  bool subdivide( MeshType& _m, size_t _n )
+  bool subdivide( MeshType& _m, size_t _n , const bool _update_positions = true)
   {
+
+    ///TODO:Implement fixed positions
+
     typename MeshType::VertexIter       vit;
     typename MeshType::VertexVertexIter vvit;
     typename MeshType::EdgeIter         eit;
diff --git a/src/OpenMesh/Tools/Subdivider/Uniform/SubdividerT.hh b/src/OpenMesh/Tools/Subdivider/Uniform/SubdividerT.hh
index 5d7a61dc..8658faf4 100644
--- a/src/OpenMesh/Tools/Subdivider/Uniform/SubdividerT.hh
+++ b/src/OpenMesh/Tools/Subdivider/Uniform/SubdividerT.hh
@@ -118,9 +118,9 @@ public: /// \name Interface 1
   //@{
   /// Subdivide the mesh \c _m \c _n times.
   /// \see SubdividerT(MeshType&)
-  bool operator () ( MeshType& _m, size_t _n )
+  bool operator () ( MeshType& _m, size_t _n , const bool _update_positions  = true)
   {    
-    return prepare(_m) && subdivide( _m, _n ) && cleanup( _m );
+    return prepare(_m) && subdivide( _m, _n , _update_positions ) && cleanup( _m );
   }
   //@}
 
@@ -144,9 +144,9 @@ public: /// \name Interface 2
 
   /// Subdivide the attached \c _n times.
   /// \see SubdividerT(), attach(), detach()
-  bool operator()( size_t _n )
+  bool operator()( size_t _n , const bool _update_positions = true)
   {
-    return attached_ ? subdivide( *attached_, _n ) : false;
+    return attached_ ? subdivide( *attached_, _n , _update_positions) : false;
   }
 
   /// Detach an eventually attached mesh.
@@ -169,7 +169,7 @@ protected:
   virtual bool prepare( MeshType& _m ) = 0;
 
   /// Subdivide mesh \c _m \c _n times
-  virtual bool subdivide( MeshType& _m, size_t _n ) = 0;
+  virtual bool subdivide( MeshType& _m, size_t _n, const bool _update_positions = true) = 0;
 
   /// Cleanup mesh after usage, e.g. remove added properties
   virtual bool cleanup( MeshType& _m ) = 0;