Are EntityIDs wildcardable in any of the configuration files?

[Peter Schober]

* Christopher Bongaarts <cab at umn.edu> [2013-10-15 17:24]:
> Another technique we've used for this is to wrap the metadata for 
> related entities in an EntitiesDescriptor, give it a Name attribute, and 
> then use that as the id for RelyingParty, or as an 
> AttributeRequesterInEntityGroup policy requirement rule.

These are the "grouping techniques" and "buckets" Kevin mentioned in
the previous mail,
-peter