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="Bahama|528" />
  </query-continue>
  <query>
    <alllinks>
      <l fromid="120" ns="0" title="B-EACH TIME L-ONG" />
      <l fromid="522" ns="0" title="BABY BLUE" />
      <l fromid="88" ns="0" title="BAND WAGON" />
      <l fromid="522" ns="0" title="BEAT CITY" />
      <l fromid="1" ns="0" title="BEAUTIFUL LIFE (小松未歩歌曲)" />
      <l fromid="99" ns="0" title="BEGIN" />
      <l fromid="528" ns="0" title="BEST of ME TAKANAKA anthology 1976-1984" />
      <l fromid="128" ns="0" title="BEST〜エレック・イヤーズ" />
      <l fromid="528" ns="0" title="BRASILIAN SKIES" />
      <l fromid="91" ns="0" title="Baby" />
    </alllinks>
  </query>
</api>