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="20150625105303|179" />
  </query-continue>
  <query>
    <logevents>
      <item logid="189" ns="2" title="Usuario:Xim ga" pageid="0" logpage="0" userid="17" type="newusers" action="create" user="Xim ga" timestamp="2016-01-14T10:27:18Z" comment="" />
      <item logid="188" ns="0" title="Tabla Barrios" pageid="38" logpage="38" type="patrol" action="patrol" user="Garanda" timestamp="2015-07-21T10:23:24Z" comment="">
        <patrol cur="756" prev="755" auto="1" />
      </item>
      <item logid="187" ns="2" title="Usuario:Jesus" pageid="0" logpage="0" userid="16" type="newusers" action="create" user="Jesus" timestamp="2015-06-30T11:15:51Z" comment="" />
      <item logid="186" ns="6" title="Archivo:Ejemplo.jpg" pageid="40" logpage="40" img_sha1="qe7u9dszka6mloww77a4wfakfzljjpe" img_timestamp="2015-06-27T10:26:15Z" type="upload" action="overwrite" user="Sergio" timestamp="2015-06-27T10:26:15Z" comment="" />
      <item logid="185" ns="6" title="Archivo:Ejemplo.jpg" pageid="40" logpage="40" img_sha1="oflrn498cqm09gfgxow4tx84wwsrqjy" img_timestamp="2015-06-27T10:23:03Z" type="upload" action="upload" user="Sergio" timestamp="2015-06-27T10:23:03Z" comment="Hoja de ruta metodológica" />
      <item logid="184" ns="0" title="Tabla Barrios" pageid="38" logpage="38" type="patrol" action="patrol" user="Garanda" timestamp="2015-06-25T11:04:05Z" comment="">
        <patrol cur="504" prev="503" auto="1" />
      </item>
      <item logid="183" ns="0" title="Tabla Barrios" pageid="38" logpage="38" type="patrol" action="patrol" user="Garanda" timestamp="2015-06-25T10:59:09Z" comment="">
        <patrol cur="503" prev="0" auto="1" />
      </item>
      <item logid="182" ns="0" title="Página principal" pageid="1" logpage="1" type="patrol" action="patrol" user="Garanda" timestamp="2015-06-25T10:59:01Z" comment="">
        <patrol cur="502" prev="479" auto="1" />
      </item>
      <item logid="181" ns="0" title="Campos para familias de distritos" pageid="36" logpage="36" type="patrol" action="patrol" user="Garanda" timestamp="2015-06-25T10:57:29Z" comment="">
        <patrol cur="501" prev="500" auto="1" />
      </item>
      <item logid="180" ns="0" title="Campos para familias de distritos" pageid="36" logpage="36" type="patrol" action="patrol" user="Garanda" timestamp="2015-06-25T10:53:22Z" comment="">
        <patrol cur="500" prev="499" auto="1" />
      </item>
    </logevents>
  </query>
</api>