Dublin Core: why are all properties mandatory?

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sacco

Why are all properties of Dublin Core mandatory in the default content model?
DC is intended to be a lowest common denominator profile and is typically
not used in this fashion:  actually, I've never seen an application which could
use DC as implemented in the Alfresco model.

Of course, one could simply enter a space for properties which are not required,
but this seems bizarre.

Is it intended just as a demo?

jottley

Demo purposes.  Configure as needed.