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>
    <allredirects garcontinue="Bob_Kovacs" />
  </query-continue>
  <query>
    <pages>
      <page pageid="114" ns="0" title="Basement Rituals Vol 11 Bronze Edition (Album)" />
      <page pageid="123" ns="0" title="Ben Bonnett" />
      <page pageid="2568" ns="0" title="Bill Houston" />
      <page pageid="2552" ns="0" title="Bitter Morning" />
      <page pageid="1655" ns="0" title="Black Pirates Pub" />
      <page pageid="146" ns="0" title="Blood Pool" />
      <page pageid="149" ns="0" title="Blue Monday Jazz Trio" />
      <page pageid="151" ns="0" title="Blue Pretenders" />
      <page pageid="148" ns="0" title="Blueco Incidence" />
      <page pageid="154" ns="0" title="Bluestone Five" />
    </pages>
  </query>
</api>