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 arcontinue="NVelocity_variables_available_in_scriptlets|80" />
  </query-continue>
  <query>
    <allredirects>
      <r ns="0" title="Custom Queries - AC7" />
      <r ns="0" title="Customizing Email Templates" />
      <r ns="0" title="DataPort Utility" />
      <r ns="0" title="Data Access Layer - AC7" />
      <r ns="0" title="Data Access Layer - AC7" />
      <r ns="0" title="Database" />
      <r ns="0" title="Extension less URLs and custom error pages" />
      <r ns="0" title="Feature Customization - AC7" />
      <r ns="0" title="Feature Customization - AC7" />
      <r ns="0" title="Merchant Password Recovery" />
    </allredirects>
  </query>
</api>