Hi all,

Please allow me a short question.

Is it allowed to define abstract types in archetypes,  I once saw an 
archetype which held an EVENT as attribute, so the constructor of the 
rm-object which had to be validated against the archetype, could at 
runtime decide if he wanted to use a POINT_EVENT or INTERVAL_EVENT.
Is this allowed?

Same can occur with data_structures and data_values.

Suppose (theoretically) an archetype which has LOCATABLE as 
definition-class.
It allows virtually everything as valid rm-object.

This question causes me some headache.

Thanks for opinions/answers
Bert

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