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Re: Add to environment: declare steps/pipelines

From: Henry S. Thompson <ht@inf.ed.ac.uk>
Date: Tue, 27 Mar 2007 16:33:44 +0100
To: Norman Walsh <Norman.Walsh@Sun.COM>
Cc: public-xml-processing-model-wg@w3.org
Message-ID: <f5bd52uwvjb.fsf@hildegard.inf.ed.ac.uk>

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Norman Walsh writes:

> I think we need to add a list of the declared steps and pipelines
> to the environment.

I think they go somewhere else -- they don't push and pop or otherwise
change the way everything in the environment does.

If you like the XQuery language, what we've got so far is the dynamic
environment, which may be different for different components.  We also
need something you might call the static environment, which is
constant for all components.  In my noodling on an abstract data
model, I've got a notion of 'pipeline shell', which holds pipelines
and step declarations.

ht
- -- 
 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
            Fax: (44) 131 650-4587, e-mail: ht@inf.ed.ac.uk
                   URL: http://www.ltg.ed.ac.uk/~ht/
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Received on Tuesday, 27 March 2007 15:33:51 GMT

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