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="2014-04-17T09:24:38Z" />
  </query-continue>
  <query>
    <logevents>
      <item logid="491" pageid="240" ns="0" title="Hledání ve skladu" type="patrol" action="patrol" user="Lukas" timestamp="2014-04-17T10:05:17Z" comment="">
        <patrol cur="481" prev="0" auto="1" />
      </item>
      <item logid="490" pageid="239" ns="6" title="Soubor:Hledani.jpg" type="upload" action="upload" user="Lukas" timestamp="2014-04-17T10:04:18Z" comment="" />
      <item logid="489" pageid="1" ns="0" title="Hlavní strana" type="patrol" action="patrol" user="Lukas" timestamp="2014-04-17T09:57:32Z" comment="">
        <patrol cur="479" prev="458" auto="1" />
      </item>
      <item logid="488" pageid="238" ns="0" title="Prodejka - nákup na prodejně" type="patrol" action="patrol" user="Lukas" timestamp="2014-04-17T09:57:02Z" comment="">
        <patrol cur="478" prev="0" auto="1" />
      </item>
      <item logid="487" pageid="237" ns="6" title="Soubor:Prodej2.jpg" type="upload" action="upload" user="Lukas" timestamp="2014-04-17T09:55:59Z" comment="" />
      <item logid="486" pageid="236" ns="6" title="Soubor:Prodej1.jpg" type="upload" action="upload" user="Lukas" timestamp="2014-04-17T09:55:48Z" comment="" />
      <item logid="485" pageid="235" ns="0" title="Export pro dopravce" type="patrol" action="patrol" user="Lukas" timestamp="2014-04-17T09:38:30Z" comment="">
        <patrol cur="475" prev="0" auto="1" />
      </item>
      <item logid="484" pageid="234" ns="6" title="Soubor:Export1.jpg" type="upload" action="upload" user="Lukas" timestamp="2014-04-17T09:38:28Z" comment="" />
      <item logid="483" pageid="233" ns="0" title="Přesun kategorií" type="patrol" action="patrol" user="Lukas" timestamp="2014-04-17T09:30:15Z" comment="">
        <patrol cur="473" prev="0" auto="1" />
      </item>
      <item logid="482" pageid="232" ns="6" title="Soubor:Presun1.jpg" type="upload" action="upload" user="Lukas" timestamp="2014-04-17T09:30:05Z" comment="" />
    </logevents>
  </query>
</api>