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>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20140404132325" timestamp="2014-04-04T13:23:25Z" ns="0" title="Sites para análise de Maware e Anexos de Spam" />
        <page value="20140519123519" timestamp="2014-05-19T12:35:19Z" ns="0" title="Criar usuário e abrir ticket no kayako" />
        <page value="20140519150357" timestamp="2014-05-19T15:03:57Z" ns="0" title="Criar usuários no MKmail" />
        <page value="20140604135905" timestamp="2014-06-04T13:59:05Z" ns="0" title="Programas" />
        <page value="20140721183458" timestamp="2014-07-21T18:34:58Z" ns="0" title="Configurar Thunderbird" />
        <page value="20140722185447" timestamp="2014-07-22T18:54:47Z" ns="0" title="Página principal" />
        <page value="20140728195412" timestamp="2014-07-28T19:54:12Z" ns="0" title="Importar Emails do Outlook para Zimbra" />
        <page value="20140730194033" timestamp="2014-07-30T19:40:33Z" ns="0" title="Configurar Zimbra no Outlook" />
        <page value="20140730205816" timestamp="2014-07-30T20:58:16Z" ns="0" title="Configurar Outlook" />
        <page value="20140801123550" timestamp="2014-08-01T12:35:50Z" ns="0" title="Backup Conta Zimbra" />
      </results>
    </querypage>
  </query>
</api>