cubicweb-skos #5201642 [rdfio] Add support for multiple RDF types for one property [open]

We should be able to do things like the following:

reg.register_prefix('dct', 'http://purl.org/dc/terms/')
reg.register_prefix('dc', 'http://purl.org/dc/elements/1.1/')
reg.register_attribute_equivalence('Catalog', 'title', 'dct:title')
reg.register_attribute_equivalence('Catalog', 'title', 'dc:title')

Currently this raise a RDFRegistryError.

prioritynormal
typeenhancement
done in<not specified>
closed by<not specified>