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>
    <logevents>
      <item logid="1747" pageid="0" ns="2" title="Utilisateur:Pvanvliet" type="block" action="block" user="Paul Kuhn" timestamp="2021-12-28T12:15:13Z" comment="">
        <block flags="nocreate" duration="infinite" />
      </item>
      <item logid="1746" pageid="0" ns="2" title="Utilisateur:Arnaud" type="block" action="block" user="Paul Kuhn" timestamp="2021-12-28T12:13:38Z" comment="">
        <block flags="nocreate" duration="infinite" />
      </item>
      <item logid="1745" pageid="153" ns="0" title="BookMain-fr" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2021-12-16T10:27:54Z" comment="">
        <patrol cur="1757" prev="1756" auto="1" />
      </item>
      <item logid="1744" pageid="153" ns="0" title="BookMain-fr" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2021-12-16T10:23:35Z" comment="">
        <patrol cur="1756" prev="1338" auto="1" />
      </item>
      <item logid="1743" pageid="46" ns="0" title="SGR Generate Graph" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2021-09-07T05:53:10Z" comment="">
        <patrol cur="1755" prev="1754" auto="1" />
      </item>
      <item logid="1742" pageid="46" ns="0" title="SGR Generate Graph" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2021-09-07T05:50:26Z" comment="">
        <patrol cur="1754" prev="1132" auto="1" />
      </item>
      <item logid="1741" pageid="65" ns="0" title="Licences" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2019-06-20T10:30:23Z" comment="">
        <patrol cur="1753" prev="1614" auto="1" />
      </item>
      <item logid="1740" pageid="151" ns="0" title="Release Notes du CAH" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2019-01-28T12:12:32Z" comment="">
        <patrol cur="1752" prev="1743" auto="1" />
      </item>
      <item logid="1739" pageid="179" ns="0" title="PatternDetails-fr" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2019-01-28T09:37:50Z" comment="">
        <patrol cur="1751" prev="1750" auto="1" />
      </item>
      <item logid="1738" pageid="179" ns="0" title="PatternDetails-fr" type="patrol" action="patrol" user="Paul Kuhn" timestamp="2019-01-28T09:34:53Z" comment="">
        <patrol cur="1750" prev="1748" auto="1" />
      </item>
    </logevents>
  </query>
  <query-continue>
    <logevents lestart="2019-01-28T09:23:30Z" />
  </query-continue>
</api>