You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <alllinks>
      <l ns="0" title="Building a Foundation responsive template" />
      <l ns="0" title="Building a Twitter Bootstrap template" />
      <l ns="0" title="Creating a basic plugin" />
      <l ns="0" title="Creating a basic plugin" />
      <l ns="0" title="Custom Template Reference" />
      <l ns="0" title="Custom Template Reference" />
      <l ns="0" title="Custom Template Reference" />
      <l ns="0" title="Custom Template Reference" />
      <l ns="0" title="Custom Templates" />
      <l ns="0" title="Custom Templates" />
    </alllinks>
  </query>
  <query-continue>
    <alllinks alcontinue="Custom Templates|1406" />
  </query-continue>
</api>