note about possible duplicacy

Former-commit-id: 5a95f69d91ae45f9bb519ede09f6ffadf1d7424d

include/igl/edge_flaps.h

@@ -24,6 +24,8 @@ namespace igl
   //     F(f,:) opposite the vth corner, where EI(e,0)=v. Similarly EF(e,1) "
   //     e=(j->i)
   //   EI  #E by 2 list of edge flap corners (see above).
+  //
+  // TODO: This seems to be a duplicate of edge_topology.h
   IGL_INLINE void edge_flaps(
     const Eigen::MatrixXi & F,
     const Eigen::MatrixXi & E,

include/igl/edge_topology.h

@@ -16,11 +16,13 @@
 namespace igl 
 {
   // Initialize Edges and their topological relations
-  
+  //
   // Output:
   // EV  : #Ex2, Stores the edge description as pair of indices to vertices
   // FE : #Fx3, Stores the Triangle-Edge relation
   // EF : #Ex2: Stores the Edge-Triangle relation
+  //
+  // TODO: This seems to be a duplicate of edge_flaps.h
 template <typename DerivedV, typename DerivedF>
   IGL_INLINE void edge_topology(
     const Eigen::PlainObjectBase<DerivedV>& V,