Thanks Arnaud, seems like the answer is that XWiki is not capable of this?
 From the page you gave me: 
"XWiki currently
supports the following kinds of properties
# Number
# String
# TextArea
# Password
# Boolean
# Static List
# Database List
# Database Tree List
# Date
# User List
# Group List"
I would have expected one of these options to be "Class". I need to
nest types in order to appropriately represent an xml schema.
Thanks anyway,
Travis
On Fri, Sep 17, 2010 at 06:45, Arnaud bourree <arnaud.bourree(a)gmail.com> wrote:
  2010/9/16  <travis(a)archive.org>rg>:
  Hi XWiki people,
 I need a "semantic" way to edit xml data. This is a project that could consume
 a very large portion of my future time, but in the near term I'm looking for a
 way to get this typed data into a wiki format so that the object graph can be
 clicked through and offsite links can be managed.
 First, I need to be able to have nested types. That is, a class has a field,
 the type for which is a class I have defined elsewhere. I don't see a way to
 do this in XWiki. Am I missing something? Seems like a typing system is
 incomplete without being able to have classes have attributes of defined
 types.
 Travis
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 Hi
 Sould be what you search:
 
http://platform.xwiki.org/xwiki/bin/view/DevGuide/DataModel
 Arnaud.
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