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HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allpages>
      <p pageid="10431" ns="0" title="BB" />
      <p pageid="17165" ns="0" title="BBTV" />
      <p pageid="13577" ns="0" title="BC Bowling" />
      <p pageid="21159" ns="0" title="BGATFBC" />
      <p pageid="6233" ns="0" title="Baby Gas" />
      <p pageid="11652" ns="0" title="Baby Volleyball" />
      <p pageid="3728" ns="0" title="Back in Encino" />
      <p pageid="3028" ns="0" title="Back in Encino (Song)" />
      <p pageid="14576" ns="0" title="Back to the Past" />
      <p pageid="12845" ns="0" title="Back to the Past (Episode)" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="Back to the Past Shorts" />
  </query-continue>
</api>