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="BDSM|290" />
  </query-continue>
  <query>
    <pages>
      <page pageid="182" ns="0" title="Pornografía" />
      <page pageid="308" ns="0" title="Softpaw Magazine" />
      <page pageid="453" ns="0" title="Anthrocon 2004" />
      <page pageid="457" ns="0" title="Anthrocon 2002" />
      <page pageid="760" ns="0" title="Mark Merlino" />
      <page pageid="897" ns="2" title="Usuario:Spirou" />
      <page pageid="1051" ns="0" title="ConFurence 6" />
      <page pageid="1210" ns="0" title="Karl Maurer" />
      <page pageid="2146" ns="14" title="Categoría:Artículos descartados" />
      <page pageid="2772" ns="10" title="Plantilla:Convenciones descontinuadas" />
    </pages>
  </query>
</api>