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="IBHLink_S5++:S7_SPS_mit_IBHLink_S5++" />
  </query-continue>
  <query>
    <alllinks>
      <l ns="0" title="Beckhoff Twincat AMD Bluescreen" />
      <l ns="0" title="CNC 840C" />
      <l ns="0" title="Diagnose" />
      <l ns="0" title="Diskussionspunkte Onlineshop" />
      <l ns="0" title="EPROMMER" />
      <l ns="0" title="FB-Status mit Lokalvariablen im Oszilloskop darstellen" />
      <l ns="0" title="IBHLink:Historie" />
      <l ns="0" title="IBHLink S5++:Beckhoff TwinCAT SPS mit IBHLink S5++" />
      <l ns="0" title="IBHLink S5++:LOGO! mit IBHLink S5++" />
      <l ns="0" title="IBHLink S5++:S7 1500 SPS mit IBHLink S5++" />
    </alllinks>
  </query>
</api>