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="Bug_Report_Workflow_(Support)" />
  </query-continue>
  <query>
    <pages>
      <page pageid="77" ns="0" title="BML" />
      <page pageid="785" ns="0" title="Beginning dev checklist" />
      <page pageid="1469" ns="0" title="Beta Features" />
      <page pageid="447" ns="0" title="Bikeshed" />
      <page pageid="1674" ns="0" title="BlobStore" />
      <page pageid="755" ns="0" title="Blueshift Site Scheme" />
      <page pageid="1538" ns="0" title="Book of Wholesome Hobbies" />
      <page pageid="489" ns="0" title="Bot Policy" />
      <page pageid="1472" ns="0" title="Browser Developing Tools" />
      <page pageid="1602" ns="0" title="Browser Support Policy" />
    </pages>
  </query>
</api>