anchor.diff:      function GetScrollPageSize: integer;
       procedure SetOptButtonLayout(const AValue: string);
       procedure SetOptMouseDragEnabled(AValue: boolean);
  +    procedure SetOptScalePercents(AValue: integer);
       procedure SetOptVarWidth(AValue: boolean);
       procedure SetScrollPos(AValue: integer);
       procedure SetTabIndex(AIndex: integer);
  
positive.code:   {$endif}
  end;
  
  procedure TATTabs.SetOptVarWidth(AValue: boolean);
  begin
    if FOptVarWidth=AValue then Exit;
  
negative.code:     property OptButtonSize: integer read FOptButtonSize write FOptButtonSize default _InitOptButtonSize;
      property OptButtonSizeSpace: integer read FOptButtonSizeSpace write FOptButtonSizeSpace default _InitOptButtonSizeSpace;
      property OptButtonSizeSeparator: integer read FOptButtonSizeSeparator write FOptButtonSizeSeparator default _InitOptButtonSizeSeparator;
      property OptScalePercents: integer read FOptScalePercents write SetOptScalePercents default 100;
      property OptVarWidth: boolean read FOptVarWidth write SetOptVarWidth default false;
      property OptMultiline: boolean read FOptMultiline write FOptMultiline default false;
      property OptFillWidth: boolean read FOptFillWidth write FOptFillWidth default _InitOptFillWidth;
  