anchor.diff:      R:= GetTabRect(i);
       R.Left:= IfThen(i<=FTabIndex, R.Left, R.Right);
       R.Left:= R.Left - FTabIndentDropI div 2;
  -    R.Right:= R.Left + FTabIndentDropI - FTabIndentDropI div 2 + 1;
  +    R.Right:= R.Left + FTabIndentDropI;
       C.Brush.Color:= FColorDrop;
       C.FillRect(R);
     end;
  
positive.code: 
  function TATTabs.RealTabAngle: Integer;
  begin
    if FTabList.Count>FTabAngleMaxTabs then
      Result:= 0
    else
  
negative.code:   FColorArrowOver:= $E0E0E0;
  
    FTabBottom:= false;
    FTabAngle:= 4;
    FTabAngleMaxTabs:= 10;
    FTabHeight:= 24;
    FTabWidthMin:= 20;
  