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>
    <logevents lecontinue="20100818131705|112" />
  </query-continue>
  <query>
    <logevents>
      <item logid="122" ns="0" title="Impressum und Datenschutzerklärung" pageid="134" type="patrol" action="patrol" user="Peper" timestamp="2021-11-18T15:52:58Z" comment="">
        <patrol cur="958" prev="0" auto="1" />
      </item>
      <item logid="121" ns="2" title="User:Peper" pageid="0" type="rights" action="rights" user="WikiSysop" timestamp="2011-09-15T14:55:03Z" comment="Muss Chef sein">
        <rights old="" new="sysop" />
      </item>
      <item logid="120" ns="6" title="File:Voltage conversion function electronic system.png" pageid="133" type="upload" action="upload" user="Jannis" timestamp="2011-09-15T13:09:35Z" comment="Voltage conversion function from the electronic System" />
      <item logid="119" ns="6" title="File:CNY70-pinout.jpg" pageid="132" type="upload" action="upload" user="Donald" timestamp="2011-06-14T12:42:04Z" comment="" />
      <item logid="118" ns="6" title="File:HeliosSelectStartup.JPG" pageid="131" type="upload" action="upload" user="Kenan" timestamp="2010-12-13T12:55:42Z" comment="" />
      <item logid="117" ns="6" title="File:EclipseDebugSession.jpg" pageid="129" type="upload" action="overwrite" user="Kenan" timestamp="2010-08-19T13:58:25Z" comment="" />
      <item logid="116" ns="6" title="File:FreeRTOS LED Blink Example.zip" pageid="130" type="upload" action="upload" user="Kenan" timestamp="2010-08-19T13:45:01Z" comment="This is an example Eclipse Project where FreeRTOS has been used to let a LED blink." />
      <item logid="115" ns="6" title="File:EclipseDebugSession.jpg" pageid="129" type="upload" action="overwrite" user="Kenan" timestamp="2010-08-19T12:43:34Z" comment="" />
      <item logid="114" ns="6" title="File:EclipseDebugSession.jpg" pageid="129" type="upload" action="upload" user="Kenan" timestamp="2010-08-19T12:39:38Z" comment="" />
      <item logid="113" ns="6" title="File:GDBCommands.jpg" pageid="128" type="upload" action="upload" user="Kenan" timestamp="2010-08-18T13:33:37Z" comment="" />
    </logevents>
  </query>
</api>