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="2014-08-12T14:33:52Z|55" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="Amazon Web Services (AWS) 関係のお話" rcid="65" pageid="10" revid="65" old_revid="64" timestamp="2018-11-02T16:13:04Z" />
      <rc type="edit" ns="0" title="Amazon Web Services (AWS) 関係のお話" rcid="64" pageid="10" revid="64" old_revid="59" timestamp="2015-04-24T04:57:52Z" />
      <rc type="edit" ns="0" title="メインページ" rcid="63" pageid="1" revid="63" old_revid="62" timestamp="2015-03-04T04:00:17Z" />
      <rc type="edit" ns="0" title="メインページ" rcid="62" pageid="1" revid="62" old_revid="60" timestamp="2015-01-27T03:40:10Z" />
      <rc type="edit" ns="0" title="VyOSにSerfを入れてフルメッシュVPNをメンテナンスレスでやってみる試み" rcid="61" pageid="12" revid="61" old_revid="54" timestamp="2014-11-28T09:11:43Z" />
      <rc type="edit" ns="0" title="メインページ" rcid="60" pageid="1" revid="60" old_revid="51" timestamp="2014-09-30T14:36:20Z" />
      <rc type="edit" ns="0" title="Amazon Web Services (AWS) 関係のお話" rcid="59" pageid="10" revid="59" old_revid="56" timestamp="2014-09-10T09:56:40Z" />
      <rc type="edit" ns="0" title="AWS関連用語集" rcid="58" pageid="6" revid="58" old_revid="7" timestamp="2014-08-15T03:35:24Z" />
      <rc type="new" ns="0" title="SerfとGlusterFSでScalableな共有ディスクを作る" rcid="57" pageid="19" revid="57" old_revid="0" timestamp="2014-08-13T09:49:44Z" />
      <rc type="edit" ns="0" title="Amazon Web Services (AWS) 関係のお話" rcid="56" pageid="10" revid="56" old_revid="38" timestamp="2014-08-13T09:49:28Z" />
    </recentchanges>
  </query>
</api>