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"?>
    <alllinks galcontinue="Branding_with_confidence" />
      <page ns="0" title="Bin/import subjects" missing="" />
      <page pageid="1280" ns="0" title="Backups" />
      <page pageid="1946" ns="0" title="BibTeX Extension Example" />
      <page pageid="1642" ns="0" title="Bin/" />
      <page pageid="1966" ns="0" title="Bin/export" />
      <page pageid="1882" ns="0" title="Boolean field" />
      <page pageid="2572" ns="0" title="Boxes on Abstract Pages" />
      <page pageid="1957" ns="0" title="Branding, the next level" />
      <page pageid="2552" ns="0" title="" />
      <page pageid="1484" ns="0" title="Branding/Logos" />