You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages gaifrom="Debugger connection.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="6" ns="6" title="文件:1 eclipse.png" />
      <page pageid="7" ns="6" title="文件:2 eclipse.png" />
      <page pageid="333" ns="6" title="文件:Bug example.png" />
      <page pageid="326" ns="6" title="文件:Bugzilla.png" />
      <page pageid="327" ns="6" title="文件:Createaccount.png" />
      <page pageid="314" ns="6" title="文件:Debug Level Setting.png" />
      <page pageid="296" ns="6" title="文件:Debug add source.png" />
      <page pageid="297" ns="6" title="文件:Debug non stop mode.png" />
      <page pageid="295" ns="6" title="文件:Debug so libraries.png" />
      <page pageid="291" ns="6" title="文件:Debugger configuration.png" />
    </pages>
  </query>
</api>