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 fromid="123" ns="0" title="Gaia VRRP setup guide" />
      <l fromid="105" ns="0" title="Link title" />
      <l fromid="139" ns="0" title="SIC General Failure and &quot;T get event: bad socket&quot; erros" />
      <l fromid="129" ns="0" title="There are two ways to connect a CMM CLI:" />
      <l fromid="262" ns="0" title="asg policy - command" />
      <l fromid="207" ns="0" title="centos 6.5 repo" />
      <l fromid="213" ns="0" title="centos 6.5 repo yum file" />
      <l fromid="95" ns="0" title="fw log command line example" />
      <l fromid="226" ns="0" title="r80 api notes" />
    </alllinks>
  </query>
</api>