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="Clear|997" />
  </query-continue>
  <query>
    <pages>
      <page pageid="974" ns="2" title="User:Achoicenotanecho/userpage 1" />
      <page pageid="975" ns="2" title="User:Achoicenotanecho/userpage 2" />
      <page pageid="976" ns="2" title="User:Achoicenotanecho/Userpage 3" />
      <page pageid="977" ns="2" title="User:Conservative/Personal development skill sets etc" />
      <page pageid="978" ns="2" title="User:Conservative/Christianity" />
      <page pageid="981" ns="2" title="User:Conservative/Music various types" />
      <page pageid="983" ns="2" title="User:Conservative/Music from around the world" />
      <page pageid="985" ns="2" title="User:Achoicenotanecho/Classical music" />
      <page pageid="986" ns="2" title="User:Conservative/motivational" />
      <page pageid="994" ns="2" title="User:Conservative/Politics" />
    </pages>
  </query>
</api>