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HTML is good for debugging, but is unsuitable for application use.
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To see the non HTML representation of the XML format, set format=xml.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20080915204111" timestamp="2008-09-15T20:41:11Z" ns="0" title="Wiki Training" />
        <page value="20091020204805" timestamp="2009-10-20T20:48:05Z" ns="0" title="Crambionella" />
        <page value="20110104075136" timestamp="2011-01-04T07:51:36Z" ns="0" title="Alatinidae" />
        <page value="20110104075416" timestamp="2011-01-04T07:54:16Z" ns="0" title="Class Scyphozoa" />
        <page value="20110104075549" timestamp="2011-01-04T07:55:49Z" ns="0" title="Acromitus" />
        <page value="20110104075621" timestamp="2011-01-04T07:56:21Z" ns="0" title="Anatomy" />
        <page value="20110104075820" timestamp="2011-01-04T07:58:20Z" ns="0" title="Catostylidae" />
        <page value="20110104075904" timestamp="2011-01-04T07:59:04Z" ns="0" title="Drymonematidae" />
        <page value="20110104080414" timestamp="2011-01-04T08:04:14Z" ns="0" title="Mastigias papua" />
        <page value="20110104080552" timestamp="2011-01-04T08:05:52Z" ns="0" title="Recent Updates" />
      </results>
    </querypage>
  </query>
</api>