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="Basic statistics for experimental analysis" />
      <l ns="0" title="BET" />
      <l ns="0" title="Big Endian and Little Endian" />
      <l ns="0" title="BIGS Experimenter Guide" />
      <l ns="0" title="Bigs Tutorial" />
      <l ns="0" title="Biomechanical Brain Simulation by FEA" />
      <l ns="0" title="Bitácora Douglas Baquero" />
      <l ns="0" title="Bitácora Jaime Fajardo" />
      <l ns="0" title="Bitácora Juan Molina" />
      <l ns="0" title="Bitácora Juan Molina Herramienta de Anotaciones" />
    </alllinks>
  </query>
  <query-continue>
    <alllinks alcontinue="BogotaClimateChange:Climate_Modeling" />
  </query-continue>
</api>