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>
    <allredirects garcontinue="Synopses" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="New in 2.0" missing="" />
      <page pageid="3597" ns="0" title="Cutscenes" />
      <page pageid="96" ns="0" title="Hurry Up!" />
      <page pageid="107" ns="0" title="Ouch!" />
      <page pageid="109" ns="0" title="R-A-E-D Iterations" />
      <page pageid="3567" ns="0" title="Random Card" />
      <page pageid="3724" ns="0" title="Recordings" />
      <page pageid="2753" ns="0" title="Rhythm Gameplay" />
      <page pageid="119" ns="0" title="Sound Design in Games" />
      <page pageid="2759" ns="0" title="Sound Layers" />
    </pages>
  </query>
</api>