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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="1" ns="0" title="Main Page" touched="2017-03-05T13:22:55Z" lastrevid="1875" counter="499355" length="1666">
        <protection />
      </page>
    </pages>
  </query>
</api>