message: code review: typename is useless here
diff: @@ -134,7 +134,7 @@ class Alpha_complex {
  using size_type = typename Triangulation::size_type;
  // Structure to switch from simplex tree vertex handle to CGAL vertex iterator.
  - using Vector_vertex_iterator = typename std::vector< CGAL_vertex_iterator >;
  + using Vector_vertex_iterator = std::vector< CGAL_vertex_iterator >;
  private:
  /** \brief Vertex iterator vector to switch from simplex tree vertex handle to CGAL vertex iterator.
  