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 garcontinue="Cryptocurrency|1814" />
  </query-continue>
  <query>
    <pages>
      <page pageid="61" ns="0" title="Moved to Compulsion Loops" />
      <page pageid="596" ns="0" title="Brain-computer Interfaces" />
      <page pageid="790" ns="0" title="209 Theory Seminar: Cities and Cyborgs: Computing and the Metropolis, 1860-2010" />
      <page pageid="1212" ns="0" title="Bladerunner" />
      <page pageid="1390" ns="0" title="Zulu Time" />
      <page pageid="1524" ns="0" title="The Backspace Generation" />
      <page pageid="1535" ns="0" title="Cargo Cult Development" />
      <page pageid="1566" ns="0" title="Twiddler Chorded Keyboard" />
      <page pageid="1686" ns="0" title="Cargo Cult Programming" />
      <page pageid="1869" ns="0" title="Contributing" />
    </pages>
  </query>
</api>