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|14945" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1229" ns="0" title="Bertold Brecht" />
      <page pageid="1285" ns="0" title="Bernie Bullbrook" />
      <page pageid="1754" ns="0" title="Barbara Hill" />
      <page pageid="4470" ns="0" title="Bim Harding" />
      <page pageid="5678" ns="0" title="Beverley Dalton" />
      <page pageid="5949" ns="0" title="Baby With The Bathwater (2004)" />
      <page pageid="6044" ns="0" title="Beverly Taylor" />
      <page pageid="6682" ns="0" title="Bazaar And Rummage (1993)" />
      <page pageid="9637" ns="0" title="Main Stage" />
      <page pageid="10755" ns="0" title="Babes in the Wood (2011" />
    </pages>
  </query>
</api>