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>
    <alllinks>
      <l ns="0" title="Client" />
      <l ns="0" title="Ethershield/Modbus" />
      <l ns="0" title="Example" />
      <l ns="0" title="Execute a script" />
      <l ns="0" title="From 32 bit to 64 bit" />
      <l ns="0" title="Hilscher cifX" />
      <l ns="0" title="How to install" />
      <l ns="0" title="How to route pipes" />
      <l ns="0" title="Install stlink" />
      <l ns="0" title="Installation guide: Process and Operator station on the Raspberry Pi" />
    </alllinks>
  </query>
  <query-continue>
    <alllinks alcontinue="Joystick|2" />
  </query-continue>
</api>