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="Beautiful_theory_argument" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Back to High school" missing="" />
      <page ns="0" title="Bad awarepath" missing="" />
      <page ns="0" title="Bamboo lemur" missing="" />
      <page ns="0" title="Basic itofazconcepts" missing="" />
      <page ns="0" title="Beautiful and Neat theory argument" missing="" />
      <page ns="0" title="Beautiful and amazing theory argument" missing="" />
      <page pageid="65915" ns="0" title="Base internapaths" />
      <page pageid="65860" ns="0" title="Base realities" />
      <page pageid="66258" ns="0" title="Base reality" />
      <page pageid="65897" ns="0" title="Base sensepaths" />
    </pages>
  </query>
</api>