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 alcontinue="Bearings" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Back-pressure track segments" />
      <l ns="0" title="Back driving" />
      <l ns="0" title="Backup plan" />
      <l ns="0" title="Backward button unscalability" />
      <l ns="0" title="Ban to incrementality of non-AP nanotechnology" />
      <l ns="0" title="Barium" />
      <l ns="0" title="Base material" />
      <l ns="0" title="Base material with high potential" />
      <l ns="0" title="Base materials with high potential" />
      <l ns="0" title="Batch transport for reduction of friction losses" />
    </alllinks>
  </query>
</api>