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Subject: Re: [xacml] CR 144: function "present" needs to be fixed.
> I think that <AttributeDesignator> and <AttributeSelector> elements > with mustBePresent attribute will cover all cases: No, it won't. Thas is because I will not be able to write predicates about their presence, and only be able to get an "indeterminate" on requesting one. And also, again, in the Target, where these things appear, that attribute's semantics would complicate the idexing and retriveal of policies and rules etc etc etc. Cheers, -Polar
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