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>
    <revisions rvcontinue="4401" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1" ns="0" title="Main Page">
        <revisions>
          <rev user="Heathers" timestamp="2026-03-29T20:02:27Z" comment="/* Want more details about your PocketWizard radios? */ tweaked &quot;contact us&quot;" />
          <rev user="WikiAdmin" timestamp="2023-01-17T16:35:14Z" comment="" />
          <rev user="Heathers" timestamp="2023-01-17T16:09:54Z" comment="moved pink section lower, resized Raven image" />
          <rev user="Heathers" timestamp="2021-10-03T21:54:18Z" comment="changed warning box to red, removed Games link box" />
          <rev user="Heathers" timestamp="2021-10-03T21:50:08Z" comment="tweaked wording in a couple spots" />
        </revisions>
      </page>
    </pages>
  </query>
</api>