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<?xml version="1.0" encoding="utf-8"?>
<head>
<title>Selection drag and drop: helper file</title>
<style type="text/css">
iframe
{width:100%;
height:200px;
border-style:none;}
</style>
</head>
<body>
<p><iframe src="helper-drop-here-blue-box.xhtml">XHTML document</iframe></p>
</body>
</html>