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>
    <allfileusages gafcontinue="Image121.jpeg|338" />
  </query-continue>
  <query>
    <pages>
      <page pageid="209" ns="0" title="科技學院" />
      <page pageid="212" ns="0" title="國際與僑教學院" />
      <page pageid="216" ns="0" title="社會科學學院" />
      <page pageid="219" ns="0" title="行政單位" />
      <page pageid="333" ns="14" title="分類:師大校刊" />
      <page pageid="334" ns="14" title="分類:師大青年" />
      <page pageid="335" ns="14" title="分類:師大校友月刊" />
      <page pageid="336" ns="14" title="分類:師大學報" />
    </pages>
  </query>
</api>