message: EliminationSolver: better documentation of dof numbering.
diff: @@ -204,7 +204,11 @@ public:
  provides the most general algorithm but is also not scalable
  The secondary_dofs are eliminated from the system in this algorithm,
  - as they can be written in terms of the primary_dofs. */
  + as they can be written in terms of the primary_dofs.
  +
  + Both primary_dofs and secondary_dofs are in the local truedof numbering;
  + All elimination has to be done locally on processor, though the global
  + system can be parallel. */
  EliminationSolver(HypreParMatrix& A, SparseMatrix& B,
  Array<int>& primary_dofs,
  Array<int>& secondary_dofs);
  