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="Shell脚本容易写错的几个语法|55" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="CentOS修改主机名方法大全" />
      <l ns="0" title="HelloWorld" />
      <l ns="0" title="IOS开发" />
      <l ns="0" title="IOS开发" />
      <l ns="0" title="MySQL" />
      <l ns="0" title="MySQL基于LVM快照的备份恢复" />
      <l ns="0" title="Mysql 高性能笔记" />
      <l ns="0" title="Nginx高性能Web服务器详解笔记" />
      <l ns="0" title="Nginx高性能Web服务器详解笔记" />
      <l ns="0" title="RSYNC" />
    </alllinks>
  </query>
</api>