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="20210129093054|309" />
  </query-continue>
  <query>
    <logevents>
      <item logid="319" ns="2" title="User:Dani" pageid="0" type="block" action="block" user="Klaus" timestamp="2021-09-29T11:32:48Z" comment="ikke aktiv længere">
        <block flags="nocreate,noautoblock,noemail" duration="infinite" />
      </item>
      <item logid="318" ns="2" title="User:Simonmm" pageid="0" type="rights" action="rights" user="Klaus" timestamp="2021-09-29T11:12:55Z" comment="">
        <rights new="bot, sysop, bureaucrat" old="" />
      </item>
      <item logid="317" ns="2" title="User:Simonmm" pageid="0" userid="4" type="newusers" action="create2" user="Klaus" timestamp="2021-09-29T11:11:46Z" comment="" />
      <item logid="316" ns="0" title="System Behaviour Analysis" pageid="341" type="patrol" action="patrol" user="Klaus" timestamp="2021-01-29T10:16:41Z" comment="">
        <patrol cur="1978" prev="1977" auto="1" />
      </item>
      <item logid="315" ns="0" title="System Behaviour Analysis" pageid="341" type="patrol" action="patrol" user="Klaus" timestamp="2021-01-29T10:16:24Z" comment="">
        <patrol cur="1977" prev="1976" auto="1" />
      </item>
      <item logid="314" ns="0" title="System Behaviour Analysis" pageid="341" type="patrol" action="patrol" user="Klaus" timestamp="2021-01-29T10:14:39Z" comment="">
        <patrol cur="1976" prev="1975" auto="1" />
      </item>
      <item logid="313" ns="0" title="System Behaviour Analysis" pageid="341" type="patrol" action="patrol" user="Klaus" timestamp="2021-01-29T10:13:38Z" comment="">
        <patrol cur="1975" prev="1971" auto="1" />
      </item>
      <item logid="312" ns="0" title="Activity Diagrams" pageid="376" type="patrol" action="patrol" user="Klaus" timestamp="2021-01-29T10:11:36Z" comment="">
        <patrol cur="1974" prev="0" auto="1" />
      </item>
      <item logid="311" ns="6" title="File:Activity Diagram.png" pageid="375" img_sha1="5xy8cjvgblzje8yvsxltsdmhkb2ddfv" img_timestamp="2021-01-29T10:10:58Z" type="upload" action="overwrite" user="Klaus" timestamp="2021-01-29T10:10:58Z" comment="" />
      <item logid="310" ns="6" title="File:Activity Diagram.png" pageid="375" img_sha1="75nhtr9m65rubcpmkprt04pf055rmds" img_timestamp="2021-01-29T10:06:15Z" type="upload" action="upload" user="Klaus" timestamp="2021-01-29T10:06:15Z" comment="" />
    </logevents>
  </query>
</api>