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RE: XML Encoding of XPath: Examples
- From: Jonathan Borden <email@example.com>
- To: Eric van der Vlist <firstname.lastname@example.org>, email@example.com
- Date: Fri, 16 Mar 2001 08:17:57 -0500
Eric van der Vlist wrote:
> I find it amazing that this syntax that is a straight reformulation of
> XPath shows similarities between TREX (rules expressed in a XML syntax)
> and Schematron (rules expressed in XPath syntax) that were hidden before
> by the different syntax...
I submit that this is a basic nature of modelling a hierarchical structure
as XML. XPath is defined as a set of EBNF productions, hence can be modelled
as an XSet expansion (similarly to the way an XML document can be 'expanded'
as a serialized PSVI). The XML structure you see is derived from the