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>
    <recentchanges rccontinue="20160119111243|4506" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="I2 Control V2.2 for Apple iOS" pageid="1251" revid="4114" old_revid="4113" rcid="4516" timestamp="2016-09-29T09:34:33Z" />
      <rc type="edit" ns="0" title="I2 Control V2.2 for Apple iOS" pageid="1251" revid="4113" old_revid="3801" rcid="4515" timestamp="2016-09-29T09:23:19Z" />
      <rc type="edit" ns="0" title="IRidium App" pageid="474" revid="4112" old_revid="4098" rcid="4514" timestamp="2016-09-29T09:22:54Z" />
      <rc type="edit" ns="0" title="Updating Projects via the Internet" pageid="965" revid="4111" old_revid="4110" rcid="4513" timestamp="2016-06-09T12:50:40Z" />
      <rc type="edit" ns="0" title="Updating Projects via the Internet" pageid="965" revid="4110" old_revid="4107" rcid="4512" timestamp="2016-06-09T12:44:58Z" />
      <rc type="edit" ns="0" title="Setting up Connection to KNX" pageid="582" revid="4109" old_revid="3940" rcid="4511" timestamp="2016-05-16T06:32:43Z" />
      <rc type="edit" ns="0" title="Systems API" pageid="55" revid="4108" old_revid="4075" rcid="4510" timestamp="2016-04-04T09:39:02Z" />
      <rc type="edit" ns="0" title="Updating Projects via the Internet" pageid="965" revid="4107" old_revid="4002" rcid="4509" timestamp="2016-03-14T11:51:57Z" />
      <rc type="edit" ns="10" title="Template:Logging in iOS" pageid="1052" revid="4106" old_revid="3910" rcid="4508" timestamp="2016-03-03T05:03:14Z" />
      <rc type="edit" ns="0" title="Examples of Using iRidium Script" pageid="1096" revid="4105" old_revid="3190" rcid="4507" timestamp="2016-02-05T11:01:38Z" />
    </recentchanges>
  </query>
</api>