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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="113" ns="0" title="Building From Source" />
      <p pageid="111" ns="0" title="Client v7 extensions" />
      <p pageid="84" ns="0" title="Clientversion 7.0.0.0 and later" />
      <p pageid="42" ns="0" title="Clothing" />
      <p pageid="68" ns="0" title="Compile" />
      <p pageid="90" ns="0" title="Controls" />
      <p pageid="39" ns="0" title="Cooking" />
      <p pageid="40" ns="0" title="Crafting" />
      <p pageid="46" ns="0" title="Credits" />
      <p pageid="30" ns="0" title="Dev Blog" />
    </allpages>
  </query>
  <query-continue>
    <allpages apfrom="Development" />
  </query-continue>
</api>