None of MouseEvent.altKey, ctrlKey or shiftKey work on OS X with FP 10.2

MouseEventKeyboardModifiers.as

package
{
	import flash.display.Graphics;
	import flash.display.Sprite;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.MouseEvent;
	
	[SWF(width="500", height="500", backgroundColor="#000000")]
	public class MouseEventKeyboardModifiers extends Sprite
	{
		public function MouseEventKeyboardModifiers()
		{
			initialize();
		}
		
		public function initialize():void
		{
			stage.align = StageAlign.TOP_LEFT;
			stage.scaleMode = StageScaleMode.NO_SCALE;
			
			mouseEnabled = true;
			mouseChildren = true
			
			var c:Sprite = new Sprite();
			addChild(c);
			
			var g:Graphics = c.graphics;
			g.clear();
			g.beginFill(0xFF3333, 1.0);
			g.drawRect(0, 0, 500, 500);
			g.endFill();
			
			c.addEventListener(MouseEvent.CLICK, clicked);
		}
		
		public function clicked(event:MouseEvent):void
		{
			trace('MouseEventKeyboardModifiers click altKey:', event.altKey, ' ctrlKey:', event.ctrlKey, ' shiftKey:', event.shiftKey);
		}
	}
}