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="Cad_contas_correntes_caixa|1767" />
  </query-continue>
  <query>
    <alllinks>
      <l fromid="1487" ns="0" title="Balancete frota temp" />
      <l fromid="1315" ns="0" title="Bancos" />
      <l fromid="252" ns="0" title="Cad bancos agencias" />
      <l fromid="1631" ns="0" title="Cad bancos agencias" />
      <l fromid="600" ns="0" title="Cad blocos formularios continuos ctrc" />
      <l fromid="158" ns="0" title="Cad classificacao fiscal" />
      <l fromid="430" ns="0" title="Cad classificacao fiscal" />
      <l fromid="799" ns="0" title="Cad contas correntes caixa" />
      <l fromid="809" ns="0" title="Cad contas correntes caixa" />
      <l fromid="1631" ns="0" title="Cad contas correntes caixa" />
    </alllinks>
  </query>
</api>