file_pdfjs_nested_iframe.html

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<!doctype html>

<html>

  <head>

    <meta charset="utf-8" />

    <title>Nested iframes</title>

  </head>

  <body style="margin: 0">

    <iframe src="file_pdfjs_middle_iframe.html" width="800" height="600"></iframe>

  </body>

</html>