message: Thought you meant that no changes should be made, not that original was good
diff: @@ -62,8 +62,8 @@ ADIOS2 is designed *out-of-the-box* for MPI applications. Thus different applica
  if( rank == 0 )
  {
  - adios2::Variable<unsigned int> varNodes = adios2::DefineVariable<unsigned int>("Nodes");
  - adios2::Variable<std::string> varFlag = adios2::DefineVariable<std::string>("Nodes flag");
  + adios2::Variable<unsigned int>& varNodes = adios2::DefineVariable<unsigned int>("Nodes");
  + adios2::Variable<std::string>& varFlag = adios2::DefineVariable<std::string>("Nodes flag");
  // ...
  engine.PutDeferred( varNodes, nodes );
  engine.PutDeferred( varFlag, "increased" );
  