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>
    <alltransclusions gatcontinue="BD|1093" />
  </query-continue>
  <query>
    <pages>
      <page pageid="949" ns="0" title="葉志仙" />
      <page pageid="950" ns="0" title="徐生明" />
      <page pageid="954" ns="0" title="陳銘晃" />
      <page pageid="961" ns="0" title="凃忠男" />
      <page pageid="974" ns="0" title="林基豐" />
      <page pageid="975" ns="0" title="唐昭鈞" />
      <page pageid="992" ns="0" title="林仲秋" />
      <page pageid="1000" ns="0" title="郭源治" />
      <page pageid="8950" ns="0" title="巴爾的摩金鶯隊" />
    </pages>
  </query>
</api>