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>
    <recentchanges>
      <rc type="edit" ns="0" title="東山紀之" rcid="7344" pageid="204" revid="7342" old_revid="7309" timestamp="2015-08-28T19:06:13Z" />
      <rc type="edit" ns="0" title="庄司智春" rcid="7343" pageid="210" revid="7341" old_revid="7248" timestamp="2015-08-28T19:04:52Z" />
      <rc type="edit" ns="0" title="川村エミコ" rcid="7342" pageid="118" revid="7340" old_revid="6165" timestamp="2015-08-28T19:04:30Z" />
      <rc type="edit" ns="0" title="斉藤こず恵" rcid="7341" pageid="212" revid="7339" old_revid="7338" timestamp="2014-01-29T19:18:27Z" />
      <rc type="edit" ns="0" title="斉藤こず恵" rcid="7340" pageid="212" revid="7338" old_revid="7337" timestamp="2014-01-29T19:11:40Z" />
      <rc type="edit" ns="0" title="斉藤こず恵" rcid="7339" pageid="212" revid="7337" old_revid="7335" timestamp="2014-01-29T19:05:04Z" />
      <rc type="edit" ns="0" title="森公美子" rcid="7338" pageid="4" revid="7336" old_revid="6071" timestamp="2014-01-29T16:45:57Z" />
      <rc type="edit" ns="0" title="斉藤こず恵" rcid="7337" pageid="212" revid="7335" old_revid="7334" timestamp="2014-01-29T16:35:20Z" />
      <rc type="edit" ns="0" title="斉藤こず恵" rcid="7336" pageid="212" revid="7334" old_revid="7333" timestamp="2014-01-29T16:33:37Z" />
      <rc type="edit" ns="0" title="斉藤こず恵" rcid="7335" pageid="212" revid="7333" old_revid="7332" timestamp="2014-01-29T16:30:04Z" />
    </recentchanges>
  </query>
  <query-continue>
    <recentchanges rcstart="2014-01-29T16:25:56Z" />
  </query-continue>
</api>