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>
    <alllinks galcontinue="Beef_industry|47429" />
  </query-continue>
  <query>
    <pages>
      <page pageid="69" ns="0" title="Ethics" />
      <page pageid="84" ns="0" title="ECHO" />
      <page pageid="105" ns="0" title="Stocker operation" />
      <page pageid="106" ns="0" title="Stocker/finisher operation" />
      <page pageid="115" ns="0" title="Jacob Springs egg program" />
      <page pageid="121" ns="0" title="Topbar beehive" />
      <page pageid="140" ns="0" title="Important grazing species" />
      <page pageid="153" ns="0" title="The banality of good" />
      <page pageid="47428" ns="0" title="Cattle" />
      <page pageid="47523" ns="0" title="List of Farm Store Products" />
    </pages>
  </query>
</api>