anchor.diff:          DrawLine(C, PR1.X, PR1.Y, PR2.X, PR2.Y+1, AColorBorder);
           DrawLine(C, PL2.X, PL2.Y+1, PR2.X, PL2.Y+1, AColorBorder);
           if AColorBorderLow<>clNone then
  -          DrawLine(C, PL1.X, ARect.Top, PR1.X, ARect.Top, AColorBorderLow)
  +          DrawLine(C, PL1.X-IfThen(FOptShowAngled, FAngleSide), ARect.Top,
  +                      PR1.X+IfThen(FOptShowAngled, FAngleSide), ARect.Top, AColorBorderLow)
         end;
       atpLeft:
         begin
  
positive.code:     Result:= Text;
      exit
    end;
  
    S:= Text;
    STemp:= S;
  
negative.code: 
    if FOptShowFlat and FOptShowFlatSepar then
    begin
      i:= ARect.Left - FOptSpaceBetweenTabs div 2;
      DrawLine(C, i, ARect.Top+cIndentSep, i, ARect.Bottom-cIndentSep, FColorSeparator);
    end;
  
    //imagelist
  