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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>
    <allimages aicontinue="Bactris_gasipaes.jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="B._eriostachys_inflor_209.jpg" timestamp="2014-03-15T02:37:01Z" url="http://www.pacsoa.org.au/w/images/0/06/B._eriostachys_inflor_209.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:B._eriostachys_inflor_209.jpg" ns="6" title="File:B. eriostachys inflor 209.jpg" />
      <img name="Bactris_acanthocarpa.jpg" timestamp="2013-11-08T10:03:31Z" url="http://www.pacsoa.org.au/w/images/0/04/Bactris_acanthocarpa.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_acanthocarpa.jpg" ns="6" title="File:Bactris acanthocarpa.jpg" />
      <img name="Bactris_acanthocarpa02.jpg" timestamp="2013-11-08T10:03:36Z" url="http://www.pacsoa.org.au/w/images/e/e4/Bactris_acanthocarpa02.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_acanthocarpa02.jpg" ns="6" title="File:Bactris acanthocarpa02.jpg" />
      <img name="Bactris_acanthocarpa03.jpg" timestamp="2013-11-08T10:03:43Z" url="http://www.pacsoa.org.au/w/images/f/f0/Bactris_acanthocarpa03.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_acanthocarpa03.jpg" ns="6" title="File:Bactris acanthocarpa03.jpg" />
      <img name="Bactris_bifida.jpg" timestamp="2013-11-08T10:03:49Z" url="http://www.pacsoa.org.au/w/images/9/90/Bactris_bifida.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_bifida.jpg" ns="6" title="File:Bactris bifida.jpg" />
      <img name="Bactris_cruegeriana.jpg" timestamp="2013-11-08T10:03:55Z" url="http://www.pacsoa.org.au/w/images/e/ee/Bactris_cruegeriana.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_cruegeriana.jpg" ns="6" title="File:Bactris cruegeriana.jpg" />
      <img name="Bactris_cubensis.jpg" timestamp="2013-11-08T10:04:07Z" url="http://www.pacsoa.org.au/w/images/0/05/Bactris_cubensis.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_cubensis.jpg" ns="6" title="File:Bactris cubensis.jpg" />
      <img name="Bactris_cubensis02.jpg" timestamp="2013-11-08T10:04:20Z" url="http://www.pacsoa.org.au/w/images/0/0f/Bactris_cubensis02.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_cubensis02.jpg" ns="6" title="File:Bactris cubensis02.jpg" />
      <img name="Bactris_cubensis03.jpg" timestamp="2013-11-08T10:04:31Z" url="http://www.pacsoa.org.au/w/images/7/74/Bactris_cubensis03.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_cubensis03.jpg" ns="6" title="File:Bactris cubensis03.jpg" />
      <img name="Bactris_ferruginea.jpg" timestamp="2013-11-08T10:04:36Z" url="http://www.pacsoa.org.au/w/images/c/c9/Bactris_ferruginea.jpg" descriptionurl="http://www.pacsoa.org.au/wiki/File:Bactris_ferruginea.jpg" ns="6" title="File:Bactris ferruginea.jpg" />
    </allimages>
  </query>
</api>