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="Baal_Namib" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="Ba:Ҡалып:Doc" missing="" />
      <page pageid="12399" ns="0" title="Baal" />
      <page pageid="2329" ns="0" title="Baal Cadar" />
      <page pageid="10954" ns="0" title="Baal Cadar/Dialoge" />
      <page pageid="2377" ns="0" title="Baal Isidro" />
      <page pageid="10982" ns="0" title="Baal Isidro/Dialoge" />
      <page pageid="2408" ns="0" title="Baal Kagan" />
      <page pageid="10981" ns="0" title="Baal Kagan/Dialoge" />
      <page pageid="2378" ns="0" title="Baal Lukor" />
      <page pageid="10956" ns="0" title="Baal Lukor/Dialoge" />
    </pages>
  </query>
</api>