WG: parsing stylesheet hierarchy to find references to

> Hi,
> 
> I know it is possible to follow imports/includes by using the document()
> function.  So it is no problem to construct a list of all global
> variables. Can I determine the references from all stylesheets to them as
> well?
> 
> My aim is to create a XSL parser that shows the dependencies between
> stylesheets/templates/variables. Or does something like that exists
> already?
> 
> Thanx a lot.
> 
> Markus Fries

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