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="Beautiful_theory_argument" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Back to High school" />
      <l ns="0" title="Bad awarepath" />
      <l ns="0" title="Bamboo lemur" />
      <l ns="0" title="Base internapaths" />
      <l ns="0" title="Base realities" />
      <l ns="0" title="Base reality" />
      <l ns="0" title="Base sensepaths" />
      <l ns="0" title="Basic itofazconcepts" />
      <l ns="0" title="Beautiful and Neat theory argument" />
      <l ns="0" title="Beautiful and amazing theory argument" />
    </alllinks>
  </query>
</api>