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="Rosetta_stone_for_package_hunting" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1750" ns="0" title="Cho heo ba ren" />
      <page pageid="1331" ns="0" title="Chỉ Là Giấc Mơ Qua" />
      <page pageid="1748" ns="0" title="Chợ heo Bà Rén" />
      <page pageid="1731" ns="0" title="Gospel Camp (Mike Snook&#039;s Testimony)" />
      <page pageid="1445" ns="0" title="Kara&#039;s Kolors" />
      <page pageid="1587" ns="0" title="Lilly&#039;s Page" />
      <page pageid="1460" ns="0" title="Marrying a Manatee" />
      <page pageid="1458" ns="0" title="Meet Sammy Donner" />
      <page pageid="1357" ns="0" title="Mùa Thu Cho Em" />
      <page pageid="1707" ns="0" title="Nam Quốc Trung" />
    </pages>
  </query>
</api>