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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="19" ns="6" title="File:hatp13-20101227-0.png" />
      <page pageid="15" ns="6" title="File:m74-trim-0.png" />
      <page pageid="14" ns="6" title="File:varuna-lc-0.png" />
    </pages>
  </query>
</api>