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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.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <links gplcontinue="1|0|No_title_window_in_openframeworks" />
  </query-continue>
  <query>
    <pages>
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      <page pageid="460" ns="0" title="Gallery:Rothko baker" contentmodel="wikitext" pagelanguage="en" touched="2018-11-07T19:56:34Z" lastrevid="1791" counter="2879" length="503" />
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      <page pageid="440" ns="0" title="Google maps space-time bubbles" contentmodel="wikitext" pagelanguage="en" touched="2018-08-15T12:59:16Z" lastrevid="1588" counter="2030" length="604" />
      <page pageid="52" ns="0" title="Idea:Work Unit" contentmodel="wikitext" pagelanguage="en" touched="2018-09-07T11:01:48Z" lastrevid="1610" counter="5450" length="3827" />
      <page pageid="238" ns="0" title="Movies, shorts, anime &amp; series log" contentmodel="wikitext" pagelanguage="en" touched="2018-10-17T16:39:33Z" lastrevid="1661" counter="37941" length="16104" />
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</api>