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="NE_新样式和过滤器的安装|1" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Deck-large: unnatural-schemes -1" />
      <l ns="0" title="EndNote 数据导入到NoteExpress" />
      <l ns="0" title="EndNote 数据导入到NoteExpress后的附件链接修复" />
      <l ns="0" title="English!!" />
      <l ns="0" title="Exclusive song" />
      <l ns="0" title="ISBN编码智能更新" />
      <l ns="0" title="Lyrics" />
      <l ns="0" title="Mac版用户如何使用NoteExpress" />
      <l ns="0" title="NAVJATT" />
      <l ns="0" title="NE3笔记样式设置的问题" />
    </alllinks>
  </query>
</api>