anchor.diff:         APPCOMMAND_BROWSER_BACKWARD: FormKeyUpProc(VK_XBUTTON2, shiftState);
          else
            inherited;
  -     end;
  +    end;
     end;
     {$ENDIF}
   end;
  
positive.code:     DEBUG_TEXT_MONOSPACED := chkMonospacedFont.Checked;
      DEBUG_TEXT_FONT_ID := rgDebugFont.ItemIndex;
    end;
  
  
    if gGameApp.Game <> nil then
      gGameApp.Game.ActiveInterface.UpdateState(gGameApp.GlobalTickCount);
  
negative.code: 
    procedure UpdateVisibleLayers(aCheckBox: TCheckBox; aLayer: TKMGameVisibleLayer);
    begin
      if Sender = aCheckBox then
        if aCheckBox.Checked then
          gGameParams.VisibleLayers := gGameParams.VisibleLayers + [aLayer]
        else
          gGameParams.VisibleLayers := gGameParams.VisibleLayers - [aLayer];
    end;
  
  var
  