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 galcontinue="Dirceu_Borges_de_Oliveira" />
  </query-continue>
  <query>
    <pages>
      <page pageid="443" ns="0" title="BIÊNIO MAIO DE 2014 – ABRIL 2016." />
      <page pageid="444" ns="0" title="BIÊNIO MAIO DE 2016 – ABRIL 2018." />
      <page pageid="463" ns="0" title="BIÊNIO MAIO DE 2018 – ABRIL 2020." />
      <page pageid="238" ns="0" title="Carlos Roberto Veiga Silva" />
      <page pageid="242" ns="0" title="Certificado 0000 - FUSCA - 1974" />
      <page pageid="240" ns="0" title="Certificado 4938 - BEL AIR - 1956" />
      <page pageid="276" ns="0" title="Certificado 6336 - FUSCA - 1961" />
      <page pageid="241" ns="0" title="Certificado 8111 - FUSCA - 1968" />
      <page pageid="144" ns="0" title="Clube do Fordinho" />
      <page pageid="149" ns="0" title="Corvet" />
    </pages>
  </query>
</api>