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="Barbara_Barbosa" />
  </query-continue>
  <query>
    <pages>
      <page pageid="7541" ns="0" title="B. Scott" />
      <page pageid="4377" ns="0" title="B. Slade" />
      <page pageid="3007" ns="0" title="Babe Didrikson Zaharias" />
      <page pageid="3379" ns="0" title="Bahiyyah Maroon" />
      <page pageid="17328" ns="0" title="Bajazid Elmaz Doda" />
      <page pageid="385" ns="0" title="Balian Buschbaum" />
      <page pageid="6326" ns="0" title="Bamby Salcedo" />
      <page pageid="12688" ns="0" title="Bao Nguyen" />
      <page pageid="78" ns="0" title="Barbara Amesbury" />
      <page pageid="12421" ns="0" title="Barbara Baier" />
    </pages>
  </query>
</api>