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>
    <allmessages>
      <message name="ipb-blockingself" xml:space="preserve">您將要封禁自己！確實(shí)要這樣做嗎？</message>
      <message name="ipb-blocklist" xml:space="preserve">查看現(xiàn)有封禁</message>
      <message name="ipb-blocklist-contribs" xml:space="preserve">$1的貢獻(xiàn)</message>
      <message name="ipb-change-block" xml:space="preserve">使用這些設(shè)置重新封禁用戶</message>
      <message name="ipb-confirm" xml:space="preserve">確認(rèn)封禁</message>
      <message name="ipb-confirmhideuser" xml:space="preserve">您即將在封禁用戶的同時(shí)啟用“隱藏賬戶”功能。這將從所有列表和日志記錄中隱藏這個(gè)用戶名。您確認(rèn)這樣做嗎？</message>
      <message name="ipb-default-expiry" xml:space="preserve" />
      <message name="ipb-disableusertalk" xml:space="preserve">阻止用戶在封禁期間編輯自己的討論頁(yè)面</message>
      <message name="ipb-edit-dropdown" xml:space="preserve">編輯封禁原因</message>
      <message name="ipb-hardblock" xml:space="preserve">阻止登錄用戶使用該IP地址編輯</message>
      <message name="ipb-needreblock" xml:space="preserve">$1已被封禁。您是否想更改封禁設(shè)置？</message>
      <message name="ipb-otherblocks-header" xml:space="preserve">其他{{PLURAL:$1|封禁|封禁}}</message>
      <message name="ipb-unblock" xml:space="preserve">解封用戶名或IP地址</message>
      <message name="ipb-unblock-addr" xml:space="preserve">解封$1</message>
    </allmessages>
  </query>
</api>