message: Improve comment on nbInteriorFaces, nbBoundaryFaces.
diff: @@ -109,7 +109,9 @@ protected:
  int nvdofs, nedofs, nfdofs, nbdofs;
  int *fdofs, *bdofs;
  /** These variables store the number of Interior and Boundary faces.
  - * fes->GetMesh()->GetNBE() doesn't return the expected value in 3D. */
  + * fes->GetMesh()->GetNBE() doesn't return the expected value in 3D
  + * because periodic meshes in 3D have some faces marked as boundary
  + * for vizualization purpose in GLvis. */
  mutable int nbInteriorFaces, nbBoundaryFaces;
  mutable Table *elem_dof; // if NURBS FE space, not owned; otherwise, owned.
  