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="Basic_Report_for_Countries/Regions_or_Groupings|1430" />
  </query-continue>
  <query>
    <pages>
      <page pageid="25" ns="0" title="Energy preprocessor" />
      <page pageid="45" ns="0" title="Education preprocessor" />
      <page pageid="93" ns="0" title="April 2016 consolidation" />
      <page pageid="1421" ns="0" title="Use IFs (Online Version)" />
      <page pageid="1426" ns="0" title="Lesson 1: Display" />
      <page pageid="1429" ns="0" title="Display" />
      <page pageid="1452" ns="0" title="How Do I...? Lessons 0-4" />
      <page pageid="1561" ns="0" title="Use IFs (Download) Display" />
      <page pageid="1626" ns="0" title="Main Menu Map" />
    </pages>
  </query>
</api>