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="C&#039;est_la_vie|305" />
  </query-continue>
  <query>
    <pages>
      <page pageid="38" ns="0" title="張惠妹" />
      <page pageid="54" ns="0" title="張雨生" />
      <page pageid="64" ns="0" title="四分衛" />
      <page pageid="82" ns="0" title="周杰倫" />
      <page pageid="148" ns="0" title="李壽全" />
      <page pageid="226" ns="0" title="魏如萱" />
      <page pageid="235" ns="0" title="She &amp; Me" />
      <page pageid="289" ns="0" title="八度空間" />
    </pages>
  </query>
</api>