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>
    <alllinks galcontinue="Beginners_Guide:_Quick_&amp;_Dirty" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="BFG" missing="" />
      <page ns="0" title="BIOS" missing="" />
      <page ns="0" title="Backups" missing="" />
      <page pageid="1413" ns="0" title="BD - Bidirectional command processor" />
      <page pageid="3468" ns="0" title="BFG GeForce 7300 GT" />
      <page pageid="2027" ns="0" title="Backup and Restore" />
      <page pageid="1557" ns="0" title="Bang &amp; Olufsen Systems" />
      <page pageid="3591" ns="0" title="Bash dce knx" />
      <page pageid="1480" ns="0" title="Basic Info" />
      <page pageid="3721" ns="0" title="Basic Skin" />
    </pages>
  </query>
</api>