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>
    <recentchanges rccontinue="2021-07-02T21:25:45Z|1378" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Jewelled Vial Quest" rcid="1388" pageid="543" revid="2568" old_revid="2518" timestamp="2021-07-17T06:50:57Z" />
      <rc type="edit" ns="0" title="The Dinner Quest" rcid="1387" pageid="544" revid="2567" old_revid="2527" timestamp="2021-07-17T06:50:41Z" />
      <rc type="edit" ns="0" title="Soup And Meat Quest" rcid="1386" pageid="545" revid="2566" old_revid="2545" timestamp="2021-07-17T06:50:28Z" />
      <rc type="edit" ns="0" title="Centipede And Treats Quest" rcid="1385" pageid="546" revid="2565" old_revid="2548" timestamp="2021-07-17T06:50:18Z" />
      <rc type="edit" ns="0" title="Cake And Salad Quest" rcid="1384" pageid="547" revid="2564" old_revid="2560" timestamp="2021-07-17T06:50:09Z" />
      <rc type="edit" ns="0" title="Main Page" rcid="1383" pageid="1" revid="2563" old_revid="2496" timestamp="2021-07-17T06:12:18Z" />
      <rc type="edit" ns="0" title="Quests" rcid="1382" pageid="412" revid="2562" old_revid="2559" timestamp="2021-07-03T01:39:47Z" />
      <rc type="new" ns="0" title="Gastoine&#039;s dishes" rcid="1381" pageid="548" revid="2561" old_revid="0" timestamp="2021-07-03T01:29:14Z" />
      <rc type="new" ns="0" title="Cake And Salad Quest" rcid="1380" pageid="547" revid="2560" old_revid="0" timestamp="2021-07-03T01:06:00Z" />
      <rc type="edit" ns="0" title="Quests" rcid="1379" pageid="412" revid="2559" old_revid="2546" timestamp="2021-07-03T00:34:10Z" />
    </recentchanges>
  </query>
</api>