anchor.diff:      end;
     end;
   
  -  if poEnableSort in FOptions then
  +  if FEnableSort then
     begin
       DoSortIndex(FVerticalKeysIndex, FVerticalGroupByDefs);
       DoSortIndex(FHorizontalKeysIndex, FHorizontalGroupByDefs);
  
positive.code:     function Add : TRecordCoordinates;
    end;
  
    TmPivoterOption = (poEnableSort, poHorizontalGrandTotal, poVerticalGrandTotal);
    TmPivoterOptions = set of TmPivoterOption;
  
  const
  
negative.code:     property SummaryDefinitions : TmSummaryDefinitions read FSummaryDefinitions;
      // options
      property Options : TmPivoterOptions read FOptions write FOptions default pOptionsDef;
      property EnableSort : boolean read FEnableSort write FEnableSort;
  
      // output values
      property VerticalValues: TKeyValuesForGroupByDefs read FVerticalValues; // the collection of all key values for any vertical level
  