On Tue, 13 Dec 2005, John Anderson wrote:
Under the description of Collections, you might want to mention that
Collections can be made by combining two or more Collections with boolean
operations. Rather than saying collections use queries, you might say
Collections can contain all the items of a Kind, or filter another Collection
using a Python expression.
Collections don't always contain all items of a kind, nor a filter thereof.
That's just two examples.
A more appropriate statement would be to say that collections are based off a
Kind or off a ref collection and that collections can be combined together
using set arithmetic or filter expressions written in python.
Andi..
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