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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-continue>
    <links gplcontinue="1|0|Dev_Env" />
  </query-continue>
  <query>
    <pages>
      <page pageid="10" ns="0" title="About" contentmodel="wikitext" pagelanguage="en" touched="2011-06-05T08:44:12Z" lastrevid="237" counter="3770" length="7890" />
      <page pageid="148" ns="0" title="Antifa Prisoners" contentmodel="wikitext" pagelanguage="en" touched="2011-07-21T16:45:04Z" lastrevid="623" counter="30252" length="7162" />
      <page pageid="203" ns="0" title="Attack on The Casa" contentmodel="wikitext" pagelanguage="en" touched="2013-11-08T13:26:18Z" lastrevid="1049" counter="43080" length="3159" />
      <page pageid="150" ns="0" title="August Riots" contentmodel="wikitext" pagelanguage="en" touched="2011-08-09T20:31:42Z" lastrevid="632" counter="2145" length="423" new="" />
      <page pageid="154" ns="0" title="Birmingham October 29th 2011" contentmodel="wikitext" pagelanguage="en" touched="2011-10-28T19:48:30Z" lastrevid="839" counter="38348" length="1589" />
      <page pageid="130" ns="0" title="Brian Haw" contentmodel="wikitext" pagelanguage="en" touched="2011-06-22T00:11:54Z" lastrevid="497" counter="53431" length="10702" />
      <page pageid="205" ns="0" title="Bristol IMC Court Order" contentmodel="wikitext" pagelanguage="en" touched="2014-09-01T21:53:43Z" lastrevid="1106" counter="63350" length="6758" />
      <page pageid="188" ns="0" title="CoC Jan Screenings" contentmodel="wikitext" pagelanguage="en" touched="2012-01-05T16:14:05Z" lastrevid="892" counter="3317" length="5314" />
      <page pageid="12" ns="0" title="Contact" contentmodel="wikitext" pagelanguage="en" touched="2011-06-02T10:56:15Z" lastrevid="35" counter="2900" length="4982" new="" />
      <page pageid="136" ns="0" title="Dale Farm" contentmodel="wikitext" pagelanguage="en" touched="2011-07-26T12:00:15Z" lastrevid="630" counter="12306" length="5910" />
    </pages>
  </query>
</api>