Unclear sentence in <group> resource's introduction in TS-0001
The first paragraph of TS-0001, 4.15.0, clause "9.6.13 Resource Type group", is
The <group> resource represents a group of resources of the same or mixed types. The <group> resource can be used to do bulk manipulations on the resources represented by the memberIDs attribute. The <group> resource contains an attribute that represents the members of the group and the <fanOutPoint> virtual resource that enables generic operations to be applied to all the resources represented by those members. By grouping <semanticDescriptor> resources across which a semantic description is distributed, another virtual resource (<semanticFanOutPoint>) enables semantic discovery procedures to be applied across the full logical tree in the description.
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When grouping <semanticDescriptor> resources, another virtual resource (<semanticFanOutPoint>) enables semantic discovery procedures to be applied to the set of these <semanticDescriptor> resources.