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 apcontinue="B.布莱希特" />
  </query-continue>
  <query>
    <allpages>
      <p pageid="71215" ns="0" title="B.A.A.墨索里尼" />
      <p pageid="222887" ns="0" title="B.A.W.罗素" />
      <p pageid="246749" ns="0" title="B.F.斯金纳" />
      <p pageid="92542" ns="0" title="B.N.叶利钦" />
      <p pageid="198540" ns="0" title="B.P.胡亚雷斯" />
      <p pageid="194689" ns="0" title="B.P.鲍恩" />
      <p pageid="49269" ns="0" title="B.古登堡" />
      <p pageid="198174" ns="0" title="B.吉许" />
      <p pageid="216622" ns="0" title="B.墨索里尼" />
      <p pageid="42924" ns="0" title="B.富兰克林" />
    </allpages>
  </query>
</api>