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>
    <allredirects>
      <r ns="0" title="Copyright, Copyleft, and the Future of the Publishing Industry" />
      <r ns="0" title="Former Students I&#039;m Still Committed To" />
      <r ns="0" title="Jan 2010 APCE Presentation" />
      <r ns="0" title="PhD Research Proposal" />
      <r ns="0" title="Sermon for April 10th, 2016" />
      <r ns="0" title="Sermon for April 13, 2014" />
      <r ns="0" title="Sermon for August 1, 2010" />
      <r ns="0" title="Sermon for May 13th, 2018" />
      <r ns="0" title="Sermon for September 12th, 2021" />
      <r ns="0" title="Ten Ex-Students I&#039;m Still Committed To" />
    </allredirects>
  </query>
</api>