You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20110831132034" timestamp="2011-08-31T13:20:34Z" ns="0" title="Sandbox" />
        <page value="20110901142825" timestamp="2011-09-01T14:28:25Z" ns="0" title="Autoclave - Esterilização" />
        <page value="20110901150740" timestamp="2011-09-01T15:07:40Z" ns="0" title="Autoclave - Descontaminação" />
        <page value="20110905115119" timestamp="2011-09-05T11:51:19Z" ns="0" title="Preparo de células competentes - Eletroporação" />
        <page value="20110905183136" timestamp="2011-09-05T18:31:36Z" ns="0" title="DGGE - Passo a passo" />
        <page value="20111108132607" timestamp="2011-11-08T13:26:07Z" ns="0" title="Análises taxonômicas" />
        <page value="20111108163457" timestamp="2011-11-08T16:34:57Z" ns="0" title="Cursos" />
        <page value="20111130163709" timestamp="2011-11-30T16:37:09Z" ns="0" title="Legislação Brasileira" />
        <page value="20111130164333" timestamp="2011-11-30T16:43:33Z" ns="0" title="Coleta de material biológico" />
        <page value="20120117135849" timestamp="2012-01-17T13:58:49Z" ns="0" title="Busca por ORFs" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>