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Joe English scripsit:

> The grove abstraction itself is a run-of-the-mill tree-like
> abstract data structure; basically you've got nodes and properties,
> some of which may be other nodes, and there's a distinguished
> root.  

What I'd like to understand about groves is what the valid datatypes for
property values can be.  I assume they include at least:

	node
	ordered list of nodes
	set of nodes
	integer
	string
	boolean
	enumeration of tokens

What else can exist?

-- 
There is / One art                      John Cowan <jcowan@r...>
No more / No less                       http://www.reutershealth.com
To do / All things                      http://www.ccil.org/~cowan
With art- / Lessness                     -- Piet Hein

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