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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="20090311212125" timestamp="2009-03-11T21:21:25Z" ns="0" title="Satellite Tracking with a TomTom" />
        <page value="20090317161555" timestamp="2009-03-17T16:15:55Z" ns="0" title="Gpredict to Celestia Interface" />
        <page value="20090324135015" timestamp="2009-03-24T13:50:15Z" ns="0" title="Velleman PCS500 in Linux" />
        <page value="20090405154819" timestamp="2009-04-05T15:48:19Z" ns="0" title="HAMUS" />
        <page value="20090503124940" timestamp="2009-05-03T12:49:40Z" ns="0" title="Mobile Radio Control Panel" />
        <page value="20090511220014" timestamp="2009-05-11T22:00:14Z" ns="0" title="S-band Dish from Amsat" />
        <page value="20090512225909" timestamp="2009-05-12T22:59:09Z" ns="0" title="Visual Tracking of the ISS" />
        <page value="20090603222336" timestamp="2009-06-03T22:23:36Z" ns="0" title="Cryogenic Cooling for Microwave Frontends" />
        <page value="20090607143904" timestamp="2009-06-07T14:39:04Z" ns="0" title="Space Trajectory Analysis" />
        <page value="20090630130208" timestamp="2009-06-30T13:02:08Z" ns="0" title="OpenRocket" />
      </results>
    </querypage>
  </query>
</api>