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="En:Xuanzang|537" />
  </query-continue>
  <query>
    <pages>
      <page pageid="45" ns="0" title="آناتولی" />
      <page pageid="159" ns="0" title="توتی" />
      <page pageid="183" ns="0" title="خوزستان" />
      <page pageid="226" ns="0" title="اسکندریه" />
      <page pageid="365" ns="0" title="تماسین" />
      <page pageid="391" ns="0" title="حرستا" />
      <page pageid="517" ns="0" title="قدموس" />
      <page pageid="4954" ns="0" title="قرآن کریم" />
      <page pageid="6056" ns="0" title="اتیوپی" />
    </pages>
  </query>
</api>