Dimitre hit it on the head when he said that I was confusing edges and nodes. I've got it straight now. Thanks for your reply and interest. I can always count on the list when I get stuck and need a whack on the side of the head.
-- 
Charles Knell
cknell@xxxxxxxxxx - email



-----Original Message-----
From:     Michael Kay <mhk@xxxxxxxxx>
Sent:     Mon, 23 Feb 2004 22:35:49 -0000
To:       <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>
Subject:  RE:  Re: Re: Network diagram - node set intersection

> It appears 
> that an edge can have one source and one target. If true, 
> that means that I can't use it.

That's the normal definition of an edge. 
> 
> What appears to be ambiguous is, I suspect, merely the fact 
> that in the model I am representing a node can have more than 
> one predecessor node and more than one successor node.

That's normal too. If a node has three predecessors then it has three
"inbound" edges, one from each predecessor.

Michael Kay


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