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Subject: Re: Associating schema with document
Can we combine these two? Use the PI as the hook to access the catalogue approach? DW. ======================================================= Message text written by Murata Makoto > James Clark wrote: > > I've been thinking about a catalog-based approach, and I think that would be > more powerful than a PI although significantly more complicated. The > catalog could contain rules like: Even if it is more complicated, it is a long-term solution. It allows the recipient not to use the schema of the sender. It allows schema evolution without rewriting documents and without in-place update of schemas. I am against PIs or attributes, since they make a long-term solution more difficult. If we introduce PIs and implementations start to rely on them, it will become harder to introduce a catalog-based approach. Cheers, Makoto <
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