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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.
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<?xml version="1.0"?>
<api>
  <query>
    <querypage name="Ancientpages">
      <results>
        <page value="20101108115056" timestamp="2010-11-08T11:50:56Z" ns="0" title="Bible moralisee" />
        <page value="20101118115652" timestamp="2010-11-18T11:56:52Z" ns="0" title="Es:Regularidad" />
        <page value="20101211192501" timestamp="2010-12-11T19:25:01Z" ns="0" title="En:Grandlodges of Denmark" />
        <page value="20101212213150" timestamp="2010-12-12T21:31:50Z" ns="0" title="Albertus Magnus" />
        <page value="20101219100253" timestamp="2010-12-19T10:02:53Z" ns="0" title="En:Baal&#039;s Bridge Square" />
        <page value="20101221214501" timestamp="2010-12-21T21:45:01Z" ns="0" title="En:Organic FOBs and Jewelry" />
        <page value="20101221214538" timestamp="2010-12-21T21:45:38Z" ns="0" title="En:Research Lodges" />
        <page value="20101225215823" timestamp="2010-12-25T21:58:23Z" ns="0" title="En:The Regius Poem" />
        <page value="20101225215844" timestamp="2010-12-25T21:58:44Z" ns="0" title="En:The Regius Poem Part 1" />
        <page value="20101225215909" timestamp="2010-12-25T21:59:09Z" ns="0" title="En:The Regius Poem Part 2" />
      </results>
    </querypage>
  </query>
  <query-continue>
    <querypage qpoffset="10" />
  </query-continue>
</api>