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 lestart="2016-07-03T11:35:03Z" />
  </query-continue>
  <query>
    <logevents>
      <item logid="2316" pageid="536" ns="4" title="Medienvielfalt-Wiki:Impressum" type="patrol" action="patrol" user="Maria Eirich" timestamp="2020-02-16T18:36:42Z" comment="">
        <patrol cur="7653" prev="4253" auto="1" />
      </item>
      <item logid="2315" pageid="1" ns="0" title="Hauptseite" type="patrol" action="patrol" user="Maria Eirich" timestamp="2020-02-15T16:45:35Z" comment="">
        <patrol cur="7652" prev="7614" auto="1" />
      </item>
      <item logid="2314" pageid="0" ns="2" title="Benutzer:ZUM-Team" type="newusers" action="create2" userid="10002" user="Karl Kirst" timestamp="2018-06-09T15:20:07Z" comment="" />
      <item logid="2313" pageid="1098" ns="4" title="Medienvielfalt-Wiki:Datenschutz" type="patrol" action="patrol" user="Karl Kirst" timestamp="2018-05-24T21:43:22Z" comment="">
        <patrol cur="7650" prev="7571" auto="1" />
      </item>
      <item logid="2312" pageid="537" ns="8" title="MediaWiki:Copyright" type="import" action="upload" user="Karl Kirst" timestamp="2017-10-06T19:49:31Z" comment="1 Version: OER sichtbarer machen" />
      <item logid="2311" pageid="293" ns="0" title="Diskret - kontinuierlich" type="patrol" action="patrol" user="Karl Kirst" timestamp="2016-07-03T12:00:56Z" comment="">
        <patrol cur="7615" prev="5784" auto="1" />
      </item>
      <item logid="2310" pageid="1" ns="0" title="Hauptseite" type="patrol" action="patrol" user="Karl Kirst" timestamp="2016-07-03T11:57:38Z" comment="">
        <patrol cur="7614" prev="7198" auto="1" />
      </item>
      <item logid="2309" pageid="475" ns="0" title="Trigonometrische Funktionen/Einfluss der Parameter/Applet" type="patrol" action="patrol" user="Karl Kirst" timestamp="2016-07-03T11:37:05Z" comment="">
        <patrol cur="7613" prev="3784" auto="1" />
      </item>
      <item logid="2308" pageid="277" ns="0" title="Trigonometrische Funktionen/Einfluss der Parameter" type="patrol" action="patrol" user="Karl Kirst" timestamp="2016-07-03T11:36:26Z" comment="">
        <patrol cur="7612" prev="7596" auto="1" />
      </item>
      <item logid="2307" pageid="40" ns="0" title="Trigonometrische Funktionen" type="patrol" action="patrol" user="Karl Kirst" timestamp="2016-07-03T11:35:43Z" comment="">
        <patrol cur="7611" prev="7583" auto="1" />
      </item>
    </logevents>
  </query>
</api>