You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allredirects garcontinue="History_of_Titan|1577" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1300" ns="0" title="Curulan" />
      <page pageid="1313" ns="0" title="Character sheet" />
      <page pageid="1360" ns="0" title="Lord Guyver" />
      <page pageid="1579" ns="0" title="Character template" />
      <page pageid="1607" ns="0" title="Character bio" />
      <page pageid="1620" ns="0" title="Curse" />
      <page pageid="1621" ns="0" title="Blood curse" />
      <page pageid="1627" ns="0" title="Titan" />
      <page pageid="1630" ns="0" title="High Council" />
      <page pageid="1632" ns="4" title="TitanWiki:Current events" />
    </pages>
  </query>
</api>