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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>
    <allpages>
      <p pageid="815" ns="0" title="Glossary" />
      <p pageid="1" ns="0" title="Main Page" />
      <p pageid="813" ns="0" title="Terminology" />
      <p pageid="468" ns="0" title="TestPage" />
      <p pageid="3" ns="0" title="UNTITLED" />
    </allpages>
  </query>
</api>