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="Bex_Law" />
  </query-continue>
  <query>
    <pages>
      <page pageid="4182" ns="0" title="B.I.M. Harding" />
      <page pageid="9494" ns="0" title="Babes in the Wood (2011)" />
      <page pageid="132" ns="0" title="Baby with the Bathwater (2004)" />
      <page pageid="1565" ns="0" title="Barbs Hill" />
      <page pageid="3122" ns="0" title="Bazaar and Rummage (1993)" />
      <page pageid="142" ns="0" title="Bell Theatre" />
      <page pageid="1109" ns="0" title="Bernard Bullbrook" />
      <page pageid="195" ns="0" title="Bertolt Brecht" />
      <page pageid="4264" ns="0" title="Beverley Taylor" />
      <page pageid="5677" ns="0" title="Beverly Dalton" />
    </pages>
  </query>
</api>