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From: "Sean McGrath" <email@example.com>
> Schemas have entropy - a tendancy towards disorder - disorder the grows
> over time
> as the schema is modified. The disorder grows rather than increases becuase
> modifications are made that loosen content models to accomodate new
> requirements whilst guraranteeing that existing documents will remain valid
> against the looser model.
I wonder how much is this actually a problem with
1) Using content models, rather than systems that allow partial orderings
to be declared (i.e., "bib should come before bub and to hell wit the rest")?
2) Using schema languages that treat variations as something freakish
rather than give it first class support?