You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
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<?xml version="1.0"?>
<api>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page">
        <extlinks>
          <el xml:space="preserve">http://www.inclick.net/download/inClick_install.pdf</el>
          <el xml:space="preserve">http://www.inclick.net/faq/index.php</el>
        </extlinks>
      </page>
    </pages>
  </query>
</api>