         if (!backKeyWasPressed && activeView && !activeView.backKeyHandledByView())
         {
             popView();
-        	backKeyWasPressed = true;
+            backKeyWasPressed = true;
         }
     }
     

    /**
     *  @private
     */
	private function deactiveView(view:View):void
	{
		if (view.isActive)
			view.setActive(false);
		
		view.removeEventListener(PropertyChangeEvent.PROPERTY_CHANGE, 
			view_propertyChangeHandler);
	}
	
    /**
     *  @private
     */

                // persistence is enabled.
                if (canDestroy || clearNavigationStack)
                    destroyViewInstance(navigationStack.topView, !clearNavigationStack);
                else
                    deactiveView(activeView);
            }
        }
        
