helper_iframe2.html

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<!DOCTYPE HTML>

<!-- The purpose of the 'id' on the HTML element is to get something

     identifiable to show up in the root scroll frame's content description,

     so we can check it for layerization. -->

<html id="outer4">

  <head>

    <link rel="stylesheet" type="text/css" href="helper_subframe_style.css"/>

  </head>

  <body>

    <div id="inner4" class="inner-frame">

      <div class="inner-content"></div>

    </div>

  </body>

</html>