file_privilegedabout_page.html

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<!doctype html>

<html>

  <head>

    <meta charset="utf-8" />

    <meta

      http-equiv="Content-Security-Policy"

      content="default-src 'none'; object-src 'none'"

/>

  </head>

  <body>

    <h1>Test privilegedabout page</h1>

  </body>

</html>