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="20151105043054|882" />
  </query-continue>
  <query>
    <recentchanges>
      <rc type="edit" ns="0" title="首頁" pageid="1" revid="830" old_revid="825" rcid="892" timestamp="2015-12-25T05:16:16Z" />
      <rc type="new" ns="0" title="醒著做夢2" pageid="319" revid="829" old_revid="0" rcid="891" timestamp="2015-12-17T05:07:12Z" />
      <rc type="new" ns="0" title="醒著做夢" pageid="318" revid="828" old_revid="0" rcid="890" timestamp="2015-12-17T04:33:11Z" />
      <rc type="log" ns="2" title="使用者:Eyck" pageid="0" revid="0" old_revid="0" rcid="889" timestamp="2015-12-06T11:44:55Z" />
      <rc type="log" ns="2" title="使用者:ET" pageid="0" revid="0" old_revid="0" rcid="888" timestamp="2015-12-06T11:11:48Z" />
      <rc type="new" ns="0" title="我願意" pageid="317" revid="827" old_revid="0" rcid="887" timestamp="2015-12-06T11:04:00Z" />
      <rc type="log" ns="2" title="使用者:WT" pageid="0" revid="0" old_revid="0" rcid="886" timestamp="2015-12-06T10:58:09Z" />
      <rc type="new" ns="0" title="心情" pageid="316" revid="826" old_revid="0" rcid="885" timestamp="2015-12-06T10:52:43Z" />
      <rc type="edit" ns="0" title="首頁" pageid="1" revid="825" old_revid="824" rcid="884" timestamp="2015-12-06T05:07:26Z" />
      <rc type="edit" ns="0" title="首頁" pageid="1" revid="824" old_revid="803" rcid="883" timestamp="2015-11-12T05:36:15Z" />
    </recentchanges>
  </query>
</api>