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>
    <alllinks galcontinue="Cambio_de_ubicacion|168" />
  </query-continue>
  <query>
    <pages>
      <page pageid="3" ns="0" title="Estaciones meteorológicas" />
      <page pageid="168" ns="0" title="FAQ, preguntas frecuentes" />
      <page pageid="253" ns="0" title="Davis Vantage Vue" />
      <page pageid="258" ns="0" title="Vantage Pro y Pro2" />
      <page pageid="350" ns="0" title="Oregon Scientific" />
      <page pageid="417" ns="0" title="Cacharreo" />
      <page pageid="683" ns="0" title="Fine Offset (modelos actuales)" />
      <page pageid="691" ns="0" title="WH65" />
      <page pageid="694" ns="0" title="WH69" />
    </pages>
  </query>
</api>