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="20171216040929|37" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="findで空のディレクトリを削除する方法" pageid="22" revid="47" old_revid="46" rcid="47" timestamp="2018-05-03T07:54:03Z" />
      <rc type="new" ns="0" title="findで空のディレクトリを削除する方法" pageid="22" revid="46" old_revid="0" rcid="46" timestamp="2018-05-03T07:03:18Z" />
      <rc type="new" ns="0" title="lsで日本語のファイル名が表示できない時の解決方法" pageid="21" revid="45" old_revid="0" rcid="45" timestamp="2018-05-03T06:54:41Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="3" revid="44" old_revid="43" rcid="44" timestamp="2018-05-03T06:54:25Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="3" revid="43" old_revid="41" rcid="43" timestamp="2018-05-03T06:47:25Z" />
      <rc type="new" ns="0" title="GNU parallel" pageid="20" revid="42" old_revid="0" rcid="42" timestamp="2018-03-29T06:05:58Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="3" revid="41" old_revid="39" rcid="41" timestamp="2018-03-29T05:34:45Z" />
      <rc type="new" ns="0" title="PhantomJSのQXcbConnection Could not connect to displayを解決する方法" pageid="19" revid="40" old_revid="0" rcid="40" timestamp="2018-03-25T11:21:53Z" />
      <rc type="edit" ns="0" title="メインページ" pageid="3" revid="39" old_revid="37" rcid="39" timestamp="2018-03-25T11:16:41Z" />
      <rc type="new" ns="0" title="nkfで改行コードを変換する方法" pageid="18" revid="38" old_revid="0" rcid="38" timestamp="2017-12-16T04:59:54Z" />
    </recentchanges>
  </query>
</api>