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="BB:1-2:Torrential_Woods" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="BB:*Currently Undecided*" missing="" />
      <page ns="0" title="BB:*Currently Undecided* (100,000,000 kills)" missing="" />
      <page ns="0" title="BB:*Currently Undecided* (100,000,000 kills, debug)" missing="" />
      <page ns="0" title="BB:*Currently Undecided* (40,000,000 kills)" missing="" />
      <page ns="0" title="BB:*Currently Undecided* (40,000,000 kills, debug)" missing="" />
      <page ns="0" title="BB:*Currently Undecided* (80,000,000 kills)" missing="" />
      <page ns="0" title="BB:*Currently Undecided* (80,000,000 kills, debug)" missing="" />
      <page ns="0" title="BB:-Famitsu Maximum Attack- (v2)" missing="" />
      <page ns="0" title="BB:-夕焼けの秘密基地- (v2) (???)" missing="" />
      <page pageid="2011" ns="0" title="BB:1-1:Planet Ragol" />
    </pages>
  </query>
</api>