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>
    <allpages gapcontinue="业务公式:删除操作" />
  </query-continue>
  <query>
    <pages>
      <page pageid="2735" ns="0" title="Text函数" contentmodel="wikitext" pagelanguage="zh-cn" touched="2020-03-16T01:56:12Z" lastrevid="5114" counter="900" length="1071" new="" />
      <page pageid="3048" ns="0" title="“云表支付”业务逻辑设计" contentmodel="wikitext" pagelanguage="zh-cn" touched="2021-06-21T01:15:18Z" lastrevid="5588" counter="10979" length="12124" />
      <page pageid="84" ns="0" title="下拉列表的进阶" contentmodel="wikitext" pagelanguage="zh-cn" touched="2015-01-14T06:36:30Z" lastrevid="459" counter="10315" length="2186" />
      <page pageid="545" ns="0" title="业务公式:事件" contentmodel="wikitext" pagelanguage="zh-cn" touched="2018-10-16T09:33:57Z" lastrevid="3060" counter="9738" length="817" />
    </pages>
  </query>
</api>