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Subject: [OASIS Issue Tracker] (ODATA-981) ETag Header: Clarify meaning of "individual resource".

Martin Zurmuehl created ODATA-981:

             Summary: ETag Header: Clarify meaning of "individual resource".
                 Key: ODATA-981
                 URL: https://issues.oasis-open.org/browse/ODATA-981
             Project: OASIS Open Data Protocol (OData) TC
          Issue Type: Improvement
          Components: OData Protocol
    Affects Versions: V4.01_WD01
            Reporter: Martin Zurmuehl
             Fix For: V4.01_WD01

Chapter "Invoking an Action" reads:
To request processing of the action only if the binding parameter value, an entity or collection of entities, is unmodified, the client includes the If-Match header with the latest known ETag value for the entity or collection of entities. The ETag value for a collection as a whole is transported in the ETag header of a collection response.

--> We support ETags for collection via the standart ETag Header. 

Looking at the chapter 8.3.1 "Header ETag" we never mentioned collections; we described the usage of ETags for metadata responses, service document reponses and for requests that returns an "individual resource".
The formulation "individual resource" is fuzzy and needs to be clarified.

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