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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="2016-02-27T02:33:58Z" />
  </query-continue>
  <query>
    <logevents>
      <item logid="35" pageid="1" ns="0" title="Página principal" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T23:27:30Z" comment="">
        <patrol cur="243" prev="240" auto="1" />
      </item>
      <item logid="34" pageid="87" ns="0" title="Taller de Git" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T23:27:08Z" comment="">
        <patrol cur="242" prev="241" auto="1" />
      </item>
      <item logid="33" pageid="87" ns="0" title="Taller de Git" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T23:26:51Z" comment="">
        <patrol cur="241" prev="0" auto="1" />
      </item>
      <item logid="32" pageid="1" ns="0" title="Página principal" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T23:26:39Z" comment="">
        <patrol cur="240" prev="234" auto="1" />
      </item>
      <item logid="31" pageid="0" ns="0" title="Curso de GitHub" type="delete" action="delete" user="Grupolinux" timestamp="2016-02-27T23:21:29Z" comment="el contenido era: «&lt;div style=&quot;text-align: center;&quot;&gt;  =Taller de GitHub= &lt;/div&gt; Taller Presencial  Inicio del Taller Miércoles 2 de Febrero Horario Miércoles 4:00 pm - 6:0...» (y el único autor fue «[[Special:Contributions/Grupolinux|Grupolinux]]»)" />
      <item logid="30" pageid="0" ns="0" title="Curso de GitHub" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T23:19:12Z" comment="">
        <patrol cur="239" prev="238" auto="1" />
      </item>
      <item logid="29" pageid="0" ns="0" title="Curso de GitHub" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T03:21:31Z" comment="">
        <patrol cur="238" prev="237" auto="1" />
      </item>
      <item logid="28" pageid="0" ns="0" title="Curso de GitHub" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T02:46:55Z" comment="">
        <patrol cur="237" prev="236" auto="1" />
      </item>
      <item logid="27" pageid="0" ns="0" title="Curso de GitHub" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T02:43:30Z" comment="">
        <patrol cur="236" prev="0" auto="1" />
      </item>
      <item logid="26" pageid="82" ns="0" title="Vive La Vida Linux" type="patrol" action="patrol" user="Grupolinux" timestamp="2016-02-27T02:34:43Z" comment="">
        <patrol cur="235" prev="232" auto="1" />
      </item>
    </logevents>
  </query>
</api>