syntax and semantic
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... Syntax and Semantics ...
... Syntax and Semantics ...
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If the type is "subscription", then the 'value' attribute MUST be one
of "both", "to", "from", or "none" as defined under Roster Syntax and
Semantics (Section 7.1), where "none" includes entities that are
totally unknown to the user and therefore not in the user's roster at
all.
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o All server-related instant messaging and presence syntax and
semantics defined in this document, including presence broadcast
on behalf of clients ...
... o All client-related instant messaging syntax and semantics defined
in this document, including presence subscriptions, roster
management ...