Existing Wording: GET [base]/Observation?_type=Observation,Condition&other params...

Proposed Wording: GET [base]?_type=Observation,Condition&other params...

Comment:

I don't think it makes sense to ask for Condition type when the search is performed against the Observation resource path. If this is a valid use case, please explain it more clearly in the spec.

Summary:

Example query doesn't make sense