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Re: PSVI in the Infoset Spec. (Re: Datatypes vs anarchy)

I'd make no assumptions that different schema languages will support the same semantics as xmlschema-1,2.  If the concept of an element is sufficiently different, it won't work.  Subsets will work, but new things that the Infoset doesn't allow for will not.

I think the thing to focus on is that any spec that allows for PSVI content (XPath 2.0, XSLT 2.0) must fall back on sensible defaults in the absence of a schema.

I think the Infoset should allow for some meta-data that says where it got things: default value, DTD, schema or the instance.  Some parsers will do this today for attribute defaults, for example.

take it easy,
Charles Reitzel

At 03:43 PM 3/14/01 -0800, Jeff Rafter wrote:
>It seems as though one of the primary points of contention is *where* the infoset contributions have been spec'd (e.g. in xmlschema-1/2).  It seems that "[element declaration]" for example is benign and open for use by other schema languages-- I could easily imagine TREX contributing this information to the infoset proper.

take it easy,
Charles Reitzel