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="Tools_and_Platforms" />
  </query-continue>
  <query>
    <pages>
      <page pageid="9" ns="0" title="Book and Journal Articles" />
      <page pageid="5" ns="0" title="Communities" />
      <page pageid="14" ns="0" title="DRAFT: Interview List" />
      <page pageid="15" ns="0" title="DRAFT: Interview Questions" />
      <page pageid="2" ns="0" title="Definition of Terms" />
      <page pageid="10" ns="0" title="Guidelines and Best Practices" />
      <page pageid="12" ns="0" title="Meeting Minutes" />
      <page pageid="8" ns="0" title="Projects" />
      <page pageid="4" ns="0" title="Questions" />
      <page pageid="16" ns="0" title="Reports" />
    </pages>
  </query>
</api>