message: Minor naming/comment changes.
diff: @@ -2034,14 +2034,14 @@ void FiniteElementSpace
  Array<int> E, F, ori;
  for (int i = 0; i < mesh->GetNE(); i++)
  {
  - int o = elem_order[i];
  - MFEM_ASSERT(o <= MaxVarOrder, "");
  - VarOrderBits order = (VarOrderBits(1) << o);
  + int order = elem_order[i];
  + MFEM_ASSERT(order <= MaxVarOrder, "");
  + VarOrderBits mask = (VarOrderBits(1) << order);
  mesh->GetElementEdges(i, E, ori);
  for (int j = 0; j < E.Size(); j++)
  {
  - edge_orders[E[j]] |= order;
  + edge_orders[E[j]] |= mask;
  }
  if (mesh->Dimension() > 2)
  @@ -2049,7 +2049,7 @@ void FiniteElementSpace
  mesh->GetElementFaces(i, F, ori);
  for (int j = 0; j < F.Size(); j++)
  {
  - face_orders[F[j]] |= order;
  + face_orders[F[j]] |= mask;
  }
  }
  }
  @@ -2061,8 +2061,8 @@ void FiniteElementSpace
  return;
  }
  - // iterate while minimum orders propagate by master/slave relations, and
  - // general orders from faces to incident edges
  + // iterate while minimum orders propagate by master/slave relations
  + // (and new orders also propagate from faces to incident edges)
  bool done;
  do
  {
  @@ -2111,7 +2111,7 @@ void FiniteElementSpace
  }
  }
  - // make sure edges support orders required by incident faces
  + // make sure edges support (new) orders required by incident faces
  for (int i = 0; i < mesh->GetNFaces(); i++)
  {
  mesh->GetFaceEdges(i, E, ori);
  @@ -2131,8 +2131,10 @@ int FiniteElementSpace::MakeDofTable(int ent_dim,
  int num_ent = entity_orders.Size();
  int total_dofs = 0;
  - // assign DOFs according to order bit masks
  Array<Connection> list;
  + list.Reserve(2*num_ent);
  +
  + // assign DOFs according to order bit masks
  for (int i = 0; i < num_ent; i++)
  {
  auto geom = (ent_dim == 1) ? Geometry::SEGMENT : mesh->GetFaceGeometry(i);
  