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="Issue_Tracker|63" />
  </query-continue>
  <query>
    <pages>
      <page pageid="3" ns="520" title="Board:Main Page" />
      <page pageid="12" ns="500" title="FTA:Master Level Course Mode" />
      <page pageid="55" ns="4" title="FKI:Induction Manual" />
      <page pageid="64" ns="5" title="FKI talk:Strategy/Work Programme" />
      <page pageid="70" ns="4" title="FKI:Strategy/Documents" />
      <page pageid="74" ns="4" title="FKI:Strategy/Track record" />
      <page pageid="104" ns="0" title="Design Sharing Platforms" />
      <page pageid="105" ns="4" title="FKI:Design Platforms" />
      <page pageid="118" ns="0" title="Design Platforms" />
    </pages>
  </query>
</api>