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>
    <allfileusages gafcontinue="Boat_mag_-_Eileen_Conn_interview.pdf" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2180" ns="6" title="File:Balusters small1 redcd.jpg" />
      <page pageid="3603" ns="6" title="File:Bellenden Rd-page-001.jpg" />
      <page pageid="3604" ns="6" title="File:Bellenden Road traffic diversion.pdf" />
      <page pageid="1912" ns="6" title="File:Benedict O&#039;Looney - CCQ.jpg" />
      <page pageid="2070" ns="6" title="File:Billiard hall.jpg" />
      <page pageid="3472" ns="6" title="File:Blackpool-Rd-A4-poster-v5.jpg" />
      <page pageid="3677" ns="6" title="File:Blackpool Rd A4 poster v6A street names - coloured.jpg" />
      <page pageid="3690" ns="6" title="File:Blackpool Road site allocation - original.pdf" />
      <page pageid="3559" ns="6" title="File:Blenheim Grove comparison - flat.jpg" />
      <page pageid="2854" ns="6" title="File:Board 4 PR station adapted v.07.jpg" />
    </pages>
  </query>
</api>