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Subject: [xacml-comment] A comment on Section 7.3


Section 7.3 says that
The target value SHALL be "Match" if the subjects, resource and action
specified in the request
context are all present in (i.e., within the scope of) the target.

This sentence is unclear to me because the meaning of "present" is unclear
to me.
Why doesn't Section 7.3 mention MatchId?
I think Section 7.3 should reference A.12, where I can find the detailed
semantics of MatchId.

It seems to me that the term "present" is used in three places (ignoring
the "present" function),
1) Section Rule target
The meaning of "present" used here is also unclear to me, but I can accept
this situation
because Section 3 is non-normative.

2)Section 5.27, 5.28, 5.29 (Resource, Action, Environment Attr Designator)
There is clear definitions of "present" from the attribute designator
(I think these definitions have nothing to do with MatchId attributes used
in <Target>)

3)Section 7.3
Is the term "present" used in Section 7.3 the same as the ones defined in
Section 5.27, 5.28, 5.29???

Satoshi Hada
IBM Tokyo Research Laboratory

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