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="B.A.W.罗素|222879" />
  </query-continue>
  <query>
    <pages>
      <page pageid="16918" ns="0" title="西班牙语" />
      <page pageid="17251" ns="0" title="法语" />
      <page pageid="69471" ns="0" title="基数" />
      <page pageid="69496" ns="0" title="数学史" />
      <page pageid="194424" ns="0" title="维希政府" />
      <page pageid="194429" ns="0" title="F.佛朗哥" />
      <page pageid="194707" ns="0" title="鲍斯(印度民族独立运动领导人)" />
      <page pageid="209722" ns="0" title="克劳修斯" />
      <page pageid="213096" ns="0" title="隆哥" />
      <page pageid="377416" ns="0" title="法語" />
    </pages>
  </query>
</api>