RE: Proposed changes to address issue-dbooth-3 (ambiguity)

> > It seems strange to propose a change that supposedly is 
> motivated to 
> > better control variability,
> 
> No, it is motivated by the desire to give the transformation 
> author the
> *ability* to better control variability *if* the 
> transformation author so chooses.  This change does not 
> attempt to reduce variability in cases where the 
> transformation author is not concerned about such variability.

I think that the problem is that, with the proposed change, the
transformation author can only control the variability along one of two
possible axes; the other is out of her control.  First, the document
must be projected into the XPath data model in order to determine what
transformations apply (call this the "transformation determination"
step).  Second, the document must be consumed by each of the GRDDL
transformations and the results merged (call this process the
"transformation application" step).  The implementation of these two
steps is independent, and the transformation author can only exert full
control over the transformation application step (for example by using
XProc, as we have theorized).

Take care,

    John L. Clark

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Received on Tuesday, 19 June 2007 14:20:54 UTC