UMLR — Need packages overview diagram and explicit depiction of package dependencies

In the current 2.5 metamodel, there is a diagram that simply shows all the various packages that comprise it. Note, however, that we do not have such a diagram in the spec itself. In fact, as far as I can tell, it seems that the spec does not even mention explicitly that the metamodel is divided up into these packages.

Furthermore, it is useful to see the dependencies between the various packages captured explicitly in diagrams. In a sense, this shows the intended couplings between the various modules, which is usually important architectural information. Not showing them explicitly either in the spec or in a metamodel diagram is obscuring this and could lead to corruption of the architecture in subsequent maintenance (e.g., the introduction of undesired and even incorrect couplings between the packages).