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="Babyfur|4468" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2837" ns="0" title="Baby Bunny" />
      <page pageid="3444" ns="0" title="Barbara Anne Bunny" />
      <page pageid="4050" ns="0" title="Babe" />
      <page pageid="4051" ns="0" title="The Sheep-Pig" />
      <page pageid="4052" ns="0" title="Babe (film)" />
      <page pageid="4053" ns="0" title="Babe maialino coraggioso (film)" />
      <page pageid="4054" ns="0" title="Babe: Pig in the City" />
      <page pageid="4069" ns="0" title="Babe, the Gallant Pig" />
      <page pageid="4077" ns="0" title="Babe - maialino coraggioso" />
      <page pageid="4305" ns="0" title="Buta" />
    </pages>
  </query>
</api>