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="BARABBAS_to_BARKOS" />
  </query-continue>
  <query>
    <pages>
      <page ns="0" title="BAAL HAZOR to BAAL TAMAR" missing="" />
      <page ns="0" title="BAAL ZEBUB to BABES" missing="" />
      <page ns="0" title="BAAL to BAALHANAN" missing="" />
      <page pageid="5682" ns="0" title="B" />
      <page pageid="5770" ns="0" title="BAAL-HAZOR to BAAL-TAMAR" />
      <page pageid="5771" ns="0" title="BAAL-ZEBUB to BABES" />
      <page pageid="5769" ns="0" title="BAAL to BAAL-HANAN" />
      <page pageid="5772" ns="0" title="BABYLON to BAIL" />
      <page pageid="5773" ns="0" title="BAJITH to BALANCES" />
      <page pageid="5774" ns="0" title="BALDNESS to BAPTISM" />
    </pages>
  </query>
</api>