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="20160116112915|373" />
  </query-continue>
  <query>
    <logevents>
      <item logid="383" ns="6" title="Soubor:MindMap-Atom.png" pageid="96" img_sha1="9aarc8io6xeppgkw2mlsbrr515xkv4g" img_timestamp="2016-01-31T21:10:46Z" type="upload" action="upload" user="42669580" timestamp="2016-01-31T21:10:46Z" comment="" />
      <item logid="382" ns="0" title="ICT Kompetence učitele" pageid="77" type="patrol" action="patrol" user="79911566" timestamp="2016-01-19T09:33:40Z" comment="">
        <patrol cur="621" prev="619" auto="1" />
      </item>
      <item logid="381" ns="0" title="ICT Kompetence učitele" pageid="77" type="patrol" action="patrol" user="79911566" timestamp="2016-01-19T09:32:00Z" comment="">
        <patrol cur="619" prev="611" auto="1" />
      </item>
      <item logid="380" ns="0" title="Hlavní strana" pageid="1" type="patrol" action="patrol" user="79911566" timestamp="2016-01-19T09:29:24Z" comment="">
        <patrol cur="618" prev="70" auto="1" />
      </item>
      <item logid="379" ns="0" title="ICT Kompetence učitele" pageid="77" type="patrol" action="patrol" user="79911566" timestamp="2016-01-18T21:26:01Z" comment="">
        <patrol cur="611" prev="603" auto="1" />
      </item>
      <item logid="378" ns="0" title="ICT Kompetence učitele" pageid="77" type="patrol" action="patrol" user="79911566" timestamp="2016-01-18T16:51:49Z" comment="">
        <patrol cur="603" prev="591" auto="1" />
      </item>
      <item logid="377" ns="0" title="ICT Kompetence učitele" pageid="77" type="patrol" action="patrol" user="79911566" timestamp="2016-01-16T17:57:55Z" comment="">
        <patrol cur="591" prev="588" auto="1" />
      </item>
      <item logid="376" ns="0" title="Projekt DIYLab - Jiří Peňáz" pageid="89" type="patrol" action="patrol" user="79911566" timestamp="2016-01-16T11:33:32Z" comment="">
        <patrol cur="589" prev="587" auto="1" />
      </item>
      <item logid="375" ns="0" title="ICT Kompetence učitele" pageid="77" type="patrol" action="patrol" user="79911566" timestamp="2016-01-16T11:32:34Z" comment="">
        <patrol cur="588" prev="577" auto="1" />
      </item>
      <item logid="374" ns="0" title="Projekt DIYLab - Jiří Peňáz" pageid="89" type="patrol" action="patrol" user="79911566" timestamp="2016-01-16T11:31:03Z" comment="">
        <patrol cur="587" prev="0" auto="1" />
      </item>
    </logevents>
  </query>
</api>