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>
  <warnings>
    <expandtemplates xml:space="preserve">Because no values have been specified for the prop parameter, a legacy format has been used for the output. This format is deprecated, and in the future, a default value will be set for the prop parameter, causing the newformat to always be used.</expandtemplates>
  </warnings>
  <expandtemplates xml:space="preserve">This is the Citizendium sandbox where you can practice your first edits.  You can also create a sandbox in your own user space by creating a page 
by either
* placing a link on '''your user page''' by typing &quot;&lt;nowiki&gt;[[/Sandbox]]&lt;/nowiki&gt;&quot; and clicking this link
or
* search for &quot;User:Your Username/Sandbox&quot; with CZ's '''search box'''
or
* use &quot;&lt;nowiki&gt;http://en.citizendium.org/wiki/User:User_Name/sandbox&lt;/nowiki&gt;&quot; (substitute YOUR user name for the User_Name - don't forget to substitute the underline &quot;_&quot; for spaces in your name!) in the '''address field''' of your browser.</expandtemplates>
</api>