anchor.diff:      FOptShowScrollMark: boolean;
       FOptShowDropMark: boolean;
       FOptShowAngled: boolean;
  +    FOptShowActiveMarkInverted: boolean;
       FOptActiveFontStyle: TFontStyles;
       FOptActiveFontStyleUsed: boolean;
       FOptHotFontStyle: TFontStyles;
  
positive.code:     FButtonsLeft: TATTabButtons;
      FButtonsRight: TATTabButtons;
      FOptButtonSize: integer;
      FOptButtonLayout: string;
  
      FOptAnimationEnabled: boolean;
  
negative.code:   NWidthSaved:= FTabWidth;
  
    R.Left:= FRealIndentLeft;
    if FOptShowAngled then
      Inc(R.Left, FAngleSide);
    R.Right:= R.Left;
    R.Top:= FOptSpacer;
    R.Bottom:= R.Top+FOptTabHeight;
  