anchor.diff:  
   function TATTabs.RealTabAngle: Integer;
   begin
  +  {$ifdef darwin}
  +  //macOS paints angled tab bad
  +  exit(0);
  +  {$endif}
  +
     if FTabList.Count>FTabAngleMaxTabs then
       Result:= 0
     else
  
positive.code:   FTabWidthHideX:= 55;
    FTabNumPrefix:= '';
    FTabIndentLeft:= 6;
    FTabIndentDropI:= 4;
    FTabIndentInter:= 0;
    FTabIndentInit:= 28; //big to contain scroll arrows
    FTabIndentTop:= 5;
  
negative.code:     R:= GetTabRect(i);
      R.Left:= IfThen(i<=FTabIndex, R.Left, R.Right);
      R.Left:= R.Left - FTabIndentDropI div 2;
      R.Right:= R.Left + FTabIndentDropI;
      C.Brush.Color:= FColorDrop;
      C.FillRect(R);
    end;
  