Comment improved

git-svn-id: https://svn.dealii.org/trunk@2523 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/deal.II/source/dofs/dof_tools.cc b/deal.II/deal.II/source/dofs/dof_tools.cc
index 7f17cf6d35c91308ffc95f55f0ff7778ec59c89b..94444a7b8330cf50163886157127287f9de08612 100644 (file)
--- a/deal.II/deal.II/source/dofs/dof_tools.cc
+++ b/deal.II/deal.II/source/dofs/dof_tools.cc
@@ -222,7 +222,9 @@ void DoFTools::make_boundary_sparsity_pattern (const DoFHandler<dim>& dof,
 
 
 //TODO: Check this function for potential of optimization. (G)
-
+// sometimes, a shape function might be zero on an edge, but we
+// need more information from the finite element used. This should be
+// left for future improvements.
 template<int dim>
 void
 DoFTools::make_flux_sparsity_pattern (const DoFHandler<dim> &dof,