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="20170205131305|854" />
  </query-continue>
  <query>
    <logevents>
      <item logid="864" ns="2" title="Usuario:RedParabola" pageid="0" userid="266" type="newusers" action="create" user="RedParabola" timestamp="2017-11-02T15:45:39Z" comment="" />
      <item logid="863" ns="1" title="Discusión:Dot.tk" pageid="498" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-18T17:15:13Z" comment="">
        <patrol cur="3067" prev="0" auto="1" />
      </item>
      <item logid="862" ns="0" title="Dot.tk" pageid="497" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-18T17:15:00Z" comment="">
        <patrol cur="3066" prev="3065" auto="1" />
      </item>
      <item logid="861" ns="14" title="Categoría:Temario" pageid="135" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-05T13:19:33Z" comment="">
        <patrol cur="3063" prev="988" auto="1" />
      </item>
      <item logid="860" ns="14" title="Categoría:Servicios de hosting" pageid="134" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-05T13:19:22Z" comment="">
        <patrol cur="3062" prev="987" auto="1" />
      </item>
      <item logid="859" ns="14" title="Categoría:Prácticas" pageid="131" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-05T13:19:11Z" comment="">
        <patrol cur="3061" prev="984" auto="1" />
      </item>
      <item logid="858" ns="14" title="Categoría:Problemas" pageid="133" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-05T13:18:52Z" comment="">
        <patrol cur="3060" prev="986" auto="1" />
      </item>
      <item logid="857" ns="14" title="Categoría:Curso 2014-2015" pageid="129" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-05T13:18:40Z" comment="">
        <patrol cur="3059" prev="982" auto="1" />
      </item>
      <item logid="856" ns="14" title="Categoría:Drupal" pageid="132" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-05T13:18:07Z" comment="">
        <patrol cur="3058" prev="985" auto="1" />
      </item>
      <item logid="855" ns="14" title="Categoría:Curso 2015-2016" pageid="130" type="patrol" action="patrol" user="Adm wiki 803282" timestamp="2017-02-05T13:17:51Z" comment="">
        <patrol cur="3057" prev="983" auto="1" />
      </item>
    </logevents>
  </query>
</api>