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 alcontinue="Xnview|1286" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Dopdf-文件轉PDF" />
      <l ns="0" title="Inpaint-神奇修圖軟體" />
      <l ns="0" title="PhotoCap-照片處理" />
      <l ns="0" title="Photo Story for Windows-照片編輯成影片" />
      <l ns="0" title="Test20120225" />
      <l ns="0" title="Test20120225 02" />
      <l ns="0" title="Xmind" />
      <l ns="0" title="Xnview" />
      <l ns="0" title="Xnview" />
      <l ns="0" title="Xnview" />
    </alllinks>
  </query>
</api>