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="The_Best_Places_to_Visit_for_a_Memorable_Getaway" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Best online games" missing="" />
      <page ns="0" title="EQUATION" missing="" />
      <page ns="0" title="Formula discover text" missing="" />
      <page ns="0" title="Formula notice text" missing="" />
      <page ns="0" title="Formula see text" missing="" />
      <page ns="0" title="Situs Asli" missing="" />
      <page ns="0" title="T-1" missing="" />
      <page pageid="10" ns="0" title="FileZilla" />
      <page pageid="557806" ns="0" title="Gemoy88 Online" />
      <page pageid="1518104" ns="0" title="History of Betflik" />
    </pages>
  </query>
</api>