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="Baboon_Rape_Party|1502" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1374" ns="0" title="The Golden Age of Grotesque (album)" />
      <page pageid="1732" ns="0" title="MarilynManson.com" />
      <page pageid="1748" ns="0" title="List of first and last performances of songs" />
      <page pageid="3980" ns="0" title="List of Marilyn Manson bootlegs" />
      <page pageid="6895" ns="0" title="The Heirophant" />
      <page pageid="24792" ns="0" title="Marilyn Manson lyrics and tablature" />
      <page pageid="26733" ns="0" title="WE ARE CHAOS (album)" />
      <page pageid="27926" ns="100" title="Interview:2020/09/10 Agent of Chaos" />
      <page pageid="29021" ns="0" title="Tablature:BROKEN NEEDLE" />
    </pages>
  </query>
</api>