<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/08/02/using-special-characters-in-your-flex-applications/ -->
<mx:Application name="Button_label_Unicode_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="horizontal"
        verticalAlign="middle"
        backgroundColor="white" viewSourceURL="srcview/index.html">

    <mx:Script>
        <![CDATA[
            private function init():void {
                btn3.label = "\\u00A9 - \u00A9 (ActionScript)";
            }
        ]]>
    </mx:Script>

    <mx:Button id="btn1" label="&amp;#169; - &#169; (MXML)" />
    <mx:Button id="btn2" label="&amp;#xA9; - &#xA9; (MXML)" />
    <mx:Button id="btn3" creationComplete="init();" />

</mx:Application>