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="20100308184547" timestamp="2010-03-08T18:45:47Z" ns="0" title="Dicas Base Condominio" />
        <page value="20100309193915" timestamp="2010-03-09T19:39:15Z" ns="0" title="Conheça o Firebird" />
        <page value="20100414142109" timestamp="2010-04-14T14:21:09Z" ns="0" title="Informações anuais das carteiras de condomínios" />
        <page value="20100414142241" timestamp="2010-04-14T14:22:41Z" ns="0" title="Declaração de Informações Econômico-Fiscais" />
        <page value="20100414142450" timestamp="2010-04-14T14:24:50Z" ns="0" title="Baixa automática do contas a pagar" />
        <page value="20100414142500" timestamp="2010-04-14T14:25:00Z" ns="0" title="Relatório de Receita e Despesa Financeiras" />
        <page value="20100414142506" timestamp="2010-04-14T14:25:06Z" ns="0" title="Controle de autônomos" />
        <page value="20100414142517" timestamp="2010-04-14T14:25:17Z" ns="0" title="Instrução normativa da SRF" />
        <page value="20100414142530" timestamp="2010-04-14T14:25:30Z" ns="0" title="Protocolos para a entrega de documentos" />
        <page value="20100414142545" timestamp="2010-04-14T14:25:45Z" ns="0" title="Importação de arquivos diretamente para o contas a pagar" />
      </results>
    </querypage>
  </query>
</api>