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="Character_Pickup_Action|19" />
  </query-continue>
  <query>
    <pages>
      <page pageid="19" ns="0" title="Trigger Edit Mode" />
      <page pageid="38" ns="0" title="Camera Return Action" />
      <page pageid="76" ns="0" title="How to change and add Items and other things" />
      <page pageid="77" ns="0" title="Assets Rules and Naming" />
      <page pageid="85" ns="0" title="Items.json" />
      <page pageid="108" ns="0" title="Music and Sound FX" />
    </pages>
  </query>
</api>