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>
    <links gplcontinue="1|0|New_Features_in_GenGIS_2.0" />
  </query-continue>
  <query>
    <pages>
      <page pageid="4" ns="0" title="Data sources" touched="2013-04-14T23:55:51Z" lastrevid="1774" counter="308712" length="1325" />
      <page pageid="226" ns="0" title="Description of GenGIS plugins" touched="2016-05-15T20:37:26Z" lastrevid="2242" counter="469407" length="26173" />
      <page pageid="2" ns="0" title="Documentation" touched="2016-05-11T16:49:09Z" lastrevid="2221" counter="345793" length="736" />
      <page pageid="6" ns="0" title="Download" touched="2017-05-20T03:17:44Z" lastrevid="2248" counter="535288" length="5475" />
      <page pageid="5" ns="0" title="FAQ" touched="2013-08-30T12:10:21Z" lastrevid="1981" counter="14185" length="2577" />
      <page pageid="64" ns="0" title="Gallery" touched="2014-08-08T03:04:25Z" lastrevid="2155" counter="332875" length="2400" />
      <page pageid="14" ns="0" title="GenGIS Tutorials" touched="2017-05-19T20:44:02Z" lastrevid="2262" counter="404591" length="6305" />
      <page pageid="44" ns="0" title="H1N1" touched="2012-03-01T23:15:13Z" lastrevid="1172" counter="360168" length="5746" />
      <page pageid="71" ns="0" title="HIV-1 subtype B mobility in Europe" touched="2012-03-02T19:02:27Z" lastrevid="1238" counter="296123" length="3450" />
      <page pageid="118" ns="0" title="MapMaker" touched="2014-01-24T19:21:40Z" lastrevid="2039" counter="310146" length="1781" />
    </pages>
  </query>
</api>