This page is a system page.

It must conform to the following rules:

* It is in strict JSON format, which is contained in a PRE-tag.
* Top-level it is an array
* The array contains objects of one of the following types:
** {"root": <string>, "depth": <number>}
** {"name": <string>}
** Every object may contain an optional "style" field.
** Every object may contain an optional "classname" field.

<pre>
[
  {"root": "Root", "depth":4},
  {"name": "banode", "style": "color:gold;"}
]
</pre>
