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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="1415" ns="6" title="File:Geographylogo.png" touched="2011-09-20T20:51:31Z" lastrevid="1439" counter="7817" length="0" new="" />
    </pages>
  </query>
</api>