You are looking at the HTML representation of the XML format.
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>
    <allimages gaicontinue="Timezones_V11-01_Default.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1213" ns="6" title="File:TOMS O3col 2004.a.geos.1x1.TOMS1.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2016-07-21T14:10:22Z" user="Melissa Payer" />
        </imageinfo>
      </page>
      <page pageid="825" ns="6" title="File:TPCORE FVDAS Speedup.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2014-04-16T20:53:57Z" user="Bmy" />
        </imageinfo>
      </page>
      <page pageid="440" ns="6" title="File:Tcttt configuration.jpg" imagerepository="local">
        <imageinfo>
          <ii timestamp="2011-10-20T17:10:55Z" user="Bmy" />
        </imageinfo>
      </page>
      <page pageid="1639" ns="6" title="File:Timers 4x5 v11-02c.png" imagerepository="local">
        <imageinfo>
          <ii timestamp="2018-06-18T17:47:33Z" user="Bmy" />
        </imageinfo>
      </page>
    </pages>
  </query>
</api>