Existing Wording: eld-5: Either a namereference or a fixed value (but not both) is permitted (xpath: not(exists(f:nameReference) and exists(f:*[starts-with(local-name(.), 'value')])))

Proposed Wording: Remove eld-5

Comment:

Current profile capability seems to limit the ability to uniquely define a constrain sliced sub-element.

http://stackoverflow.com/questions/29969955/fhir-profile-structdef-how-are-children-sub-elements-of-a-named-slice-tied-to