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="Barbarian_Brothers" />
  </query-continue>
  <query>
    <pages>
      <page pageid="8281" ns="0" title="Back For Revenge" />
      <page pageid="8282" ns="0" title="Back For Revenge (Allies)" />
      <page pageid="82" ns="0" title="Badge of Courage" />
      <page pageid="83" ns="0" title="Ballista" />
      <page pageid="2036" ns="0" title="Ballista Yard" />
      <page pageid="84" ns="0" title="Ballista yard" />
      <page pageid="85" ns="0" title="Ballistics" />
      <page pageid="86" ns="0" title="Barbarian" />
      <page pageid="8311" ns="0" title="Barbarian Breakout" />
      <page pageid="8312" ns="0" title="Barbarian Breakout (Allies)" />
    </pages>
  </query>
</api>