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="Grow_linux_partitions_on_live_system|15" />
  </query-continue>
  <query>
    <alllinks>
      <l fromid="16" ns="0" title="C++ interview" />
      <l fromid="45" ns="0" title="CSS" />
      <l fromid="10" ns="0" title="CentOS 5 Build FFmpeg with X264" />
      <l fromid="15" ns="0" title="Configure SSL Bump on squid 3.3" />
      <l fromid="9" ns="0" title="Convert Seconds to Human Readable Duration" />
      <l fromid="1" ns="0" title="FFMPEG Commands" />
      <l fromid="1" ns="0" title="FFMPEG Development" />
      <l fromid="10" ns="0" title="FFMPEG windows build procedure" />
      <l fromid="15" ns="0" title="Fusionio driver" />
      <l fromid="15" ns="0" title="Github Action Runner" />
    </alllinks>
  </query>
</api>