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="20150711152345|370" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="ノイズキャンセリング" pageid="59" revid="384" old_revid="156" rcid="380" timestamp="2016-06-14T13:01:36Z" />
      <rc type="edit" ns="0" title="Bose QuietComfort 35" pageid="133" revid="383" old_revid="380" rcid="379" timestamp="2016-06-14T12:59:01Z" />
      <rc type="new" ns="10" title="テンプレート:search" pageid="135" revid="382" old_revid="0" rcid="378" timestamp="2016-06-14T12:32:54Z" />
      <rc type="new" ns="10" title="テンプレート:as" pageid="134" revid="381" old_revid="0" rcid="377" timestamp="2016-06-14T12:31:11Z" />
      <rc type="new" ns="0" title="Bose QuietComfort 35" pageid="133" revid="380" old_revid="0" rcid="376" timestamp="2016-06-13T15:58:56Z" />
      <rc type="edit" ns="0" title="ボーズ" pageid="52" revid="379" old_revid="376" rcid="375" timestamp="2016-06-13T15:44:56Z" />
      <rc type="edit" ns="0" title="BOSE AE2のヘッドフォンのケーブルが断線したので買い換えました" pageid="132" revid="378" old_revid="377" rcid="374" timestamp="2016-01-21T11:54:44Z" />
      <rc type="new" ns="0" title="BOSE AE2のヘッドフォンのケーブルが断線したので買い換えました" pageid="132" revid="377" old_revid="0" rcid="373" timestamp="2016-01-21T10:56:44Z" />
      <rc type="edit" ns="0" title="ボーズ" pageid="52" revid="376" old_revid="375" rcid="372" timestamp="2016-01-21T10:51:01Z" />
      <rc type="edit" ns="0" title="ボーズ" pageid="52" revid="375" old_revid="371" rcid="371" timestamp="2016-01-21T10:47:49Z" />
    </recentchanges>
  </query>
</api>