QVT14 — QVTo: Conflicting shared Extent residence

8.1.3.2 says

Each Extent for an in Model Parameter is immutable. It may be shared when the same external model is loaded by multiple in Model Parameters.

8.1.3.4 says

The roots of the forest have no containers, rather they are members of at most one Extent...

Clearly the elements of a common sub-model loaded by/referenced for two distinct Model Parameters are shared, else there could be confusing duplicates. These elements are in multiple extents contradicting the "at most on".

Suggest revise 8.1.3.4 to

The roots of the forest have no containers, rather they are members of typically one Extent... A shared root may be a member of mutiple Extents.