You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <logevents>
      <item logid="873" pageid="1" ns="0" title="Main Page" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-21T11:47:22Z" comment="">
        <patrol auto="1" prev="1679" cur="1683" />
      </item>
      <item logid="872" pageid="220" ns="0" title="Fundación CTIC" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:43:41Z" comment="">
        <patrol auto="1" prev="1676" cur="1682" />
      </item>
      <item logid="871" pageid="221" ns="0" title="ArcelorMittal España S.A." type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:26:00Z" comment="">
        <patrol auto="1" prev="1611" cur="1681" />
      </item>
      <item logid="870" pageid="211" ns="0" title="AUDI" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:23:41Z" comment="">
        <patrol auto="1" prev="1430" cur="1680" />
      </item>
      <item logid="869" pageid="1" ns="0" title="Main Page" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:22:03Z" comment="">
        <patrol auto="1" prev="1672" cur="1679" />
      </item>
      <item logid="868" pageid="216" ns="0" title="Free University of Bozen-Bolzano" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:20:51Z" comment="">
        <patrol auto="1" prev="1677" cur="1678" />
      </item>
      <item logid="867" pageid="216" ns="0" title="Free University of Bozen-Bolzano" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:19:18Z" comment="">
        <patrol auto="1" prev="1339" cur="1677" />
      </item>
      <item logid="866" pageid="220" ns="0" title="Fundación CTIC" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:18:16Z" comment="">
        <patrol auto="1" prev="1492" cur="1676" />
      </item>
      <item logid="865" pageid="217" ns="0" title="Technische Universität Wien" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:17:15Z" comment="">
        <patrol auto="1" prev="1674" cur="1675" />
      </item>
      <item logid="864" pageid="217" ns="0" title="Technische Universität Wien" type="patrol" action="patrol" user="Evamaria.kiss" timestamp="2012-03-20T14:16:23Z" comment="">
        <patrol auto="1" prev="1340" cur="1674" />
      </item>
    </logevents>
  </query>
  <query-continue>
    <logevents lestart="2012-03-20T14:15:10Z" />
  </query-continue>
</api>