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>
    <alltransclusions gatcontinue="Business|3019" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1549" ns="0" title="Dare Ice Creamery" />
      <page pageid="1735" ns="0" title="Cyclone" />
      <page pageid="2178" ns="0" title="FroZone" />
      <page pageid="2202" ns="0" title="Aspire Arena" />
      <page pageid="2218" ns="0" title="Crossroads Cafe" />
      <page pageid="2324" ns="10" title="Template:Business/Preload" />
      <page pageid="2563" ns="0" title="Tamarack Falls Jewish Books" />
      <page pageid="2575" ns="0" title="Homepage" />
      <page pageid="2678" ns="0" title="Club Carnivale" />
      <page pageid="2746" ns="0" title="Brennan Gardens Commune" />
    </pages>
  </query>
</api>