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="20180908132753|1936" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Train Functions" pageid="452" revid="1795" old_revid="1783" rcid="1946" timestamp="2018-09-13T15:46:31Z" />
      <rc type="new" ns="0" title="LUA Manual for EEP" pageid="465" revid="1794" old_revid="0" rcid="1945" timestamp="2018-09-10T04:21:31Z" />
      <rc type="edit" ns="0" title="Hauptseite" pageid="1" revid="1793" old_revid="1755" rcid="1944" timestamp="2018-09-10T04:20:53Z" />
      <rc type="new" ns="0" title="Tag Text Functions" pageid="464" revid="1792" old_revid="0" rcid="1943" timestamp="2018-09-10T04:16:47Z" />
      <rc type="edit" ns="0" title="LUA Handbuch zu EEP" pageid="446" revid="1791" old_revid="1788" rcid="1942" timestamp="2018-09-10T04:16:01Z" />
      <rc type="new" ns="0" title="TextureText Functions" pageid="463" revid="1790" old_revid="0" rcid="1941" timestamp="2018-09-10T03:48:02Z" />
      <rc type="new" ns="0" title="Info Text Functions" pageid="462" revid="1789" old_revid="0" rcid="1940" timestamp="2018-09-10T03:25:57Z" />
      <rc type="edit" ns="0" title="LUA Handbuch zu EEP" pageid="446" revid="1788" old_revid="1787" rcid="1939" timestamp="2018-09-08T13:32:51Z" />
      <rc type="edit" ns="0" title="LUA Handbuch zu EEP" pageid="446" revid="1787" old_revid="1786" rcid="1938" timestamp="2018-09-08T13:30:42Z" />
      <rc type="edit" ns="0" title="LUA Handbuch zu EEP" pageid="446" revid="1786" old_revid="1776" rcid="1937" timestamp="2018-09-08T13:30:28Z" />
    </recentchanges>
  </query>
</api>