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>
    <pageswithprop gpwpcontinue="36" />
  </query-continue>
  <query>
    <pages>
      <page pageid="4" ns="0" title="Lancashire Lad" contentmodel="wikitext" pagelanguage="en" touched="2015-02-27T04:26:43Z" lastrevid="910" counter="5234" length="486" />
      <page pageid="6" ns="0" title="Champion of England" contentmodel="wikitext" pagelanguage="en" touched="2015-02-18T09:54:18Z" lastrevid="263" counter="3488" length="829" />
      <page pageid="12" ns="0" title="Clarke&#039;s Beltony Blue" contentmodel="wikitext" pagelanguage="en" touched="2015-02-20T05:07:05Z" lastrevid="899" counter="3929" length="571" />
      <page pageid="13" ns="0" title="Bijou" contentmodel="wikitext" pagelanguage="en" touched="2015-02-27T04:26:06Z" lastrevid="909" counter="7350" length="655" />
      <page pageid="14" ns="0" title="Golden Sweet" contentmodel="wikitext" pagelanguage="en" touched="2015-02-27T03:39:17Z" lastrevid="902" counter="3792" length="1247" />
      <page pageid="16" ns="0" title="Sugar Magnolia" contentmodel="wikitext" pagelanguage="en" touched="2015-02-18T10:17:36Z" lastrevid="784" counter="2713" length="458" />
      <page pageid="17" ns="0" title="Opal Creek" contentmodel="wikitext" pagelanguage="en" touched="2015-02-27T03:17:05Z" lastrevid="901" counter="4492" length="1475" />
      <page pageid="33" ns="0" title="Blue Shackamaxon" contentmodel="wikitext" pagelanguage="en" touched="2016-10-17T03:09:07Z" lastrevid="929" counter="15249" length="2203" />
      <page pageid="34" ns="0" title="Tobacco Worm" contentmodel="wikitext" pagelanguage="en" touched="2014-11-15T01:01:42Z" lastrevid="487" counter="2936" length="1098" />
      <page pageid="35" ns="0" title="Alice Sunshine" contentmodel="wikitext" pagelanguage="en" touched="2014-11-18T11:13:18Z" lastrevid="737" counter="5691" length="1221" />
    </pages>
  </query>
</api>