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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>
    <allimages>
      <img name="MarcMiller.jpg" timestamp="2010-07-06T00:35:44Z" url="https://wiki.traveller5.net/images/2/2e/MarcMiller.jpg" descriptionurl="https://wiki.traveller5.net/index.php?title=File:MarcMiller.jpg" />
    </allimages>
  </query>
</api>