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="Data_Migration_Process_and_Considerations" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Bibsonomy" missing="" />
      <page ns="0" title="Blogger" missing="" />
      <page ns="0" title="Bots" missing="" />
      <page ns="0" title="Broadcast narrowing" missing="" />
      <page ns="0" title="Cake" missing="" />
      <page ns="0" title="Content filtering" missing="" />
      <page ns="0" title="Copyright" missing="" />
      <page ns="0" title="Corporate censorship" missing="" />
      <page ns="0" title="Data Migration" missing="" />
      <page pageid="157" ns="0" title="Code of Conduct" />
    </pages>
  </query>
</api>