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RE: [xml-dev] Rick Jelliffe quotable quote on the purpose of schemas

From: "Greg Alvord" <galvord@-----------.--->
To: "'Rick Marshall'" <rjm@-------.--->,<xml-dev@-----.---.--->
Date: 12/12/2006 12:04:00 AM
Rick Marshall Wrote: This is a long way of saying that I think trying to get
one tool to do 2 fundamentally different things is always going to less than
optimal.

Perhaps the view that structure and constraints are two separate things
comes from that fact that to tools we use treats them separately.

At the semantic level structure defines relationships.  The constraints of
the semantic definitions are not separate from the definitions but part of
it. Constraints like "If the parent has this value in that property then
there must be a child of this type" do not operate separately from the
semantic definitions.  They are integral to the semantic definitions.


Greg

Optimal Blue


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