[jsr-314-open] clarification on f:validateRequired

I'm doing some testing on MyFaces to make sure all is behaving as described in the spec for some of the new tags. I've run into an issue where I need some clarification on the spec though regarding the validateRequired tag. The confusion lies in what the interaction and precedence should be for the validateRequired tag vs. the javax.faces.VALIDATE_EMPTY_FIELDS param setting and the algorithm specified for UIInput.validateValue(). The validateValue algorithm says that if javax.faces.VALIDATE_EMPTY_FIELDS has not been set, that we only execute the validators if bean validation is present. This, however, will prevent the RequiredValidator from executing as well. Since the javadoc states that adding an f::validateRequired tag has the same affect as setting required="true" on the UIInput, it would seem that at least for this validator, we need to validate empty fields even if bean validation is not present. What is the proper behavior here? Should we be ignoring the validateRequired tag unless bean validation is present? Should we be executing only the RequiredValidator if one is attached? all validators if a RequiredValidator is attached? What about if VALIDATE_EMPTY_FIELDS is explicitly set to false? Any clarification on this would be much appreciated. Thanks, Mike