UML25 — Associations between interfaces

The caption of Figure 63 of the FAS (Figure 56 of the 040814 PDF) shows
an association between example interfaces IAlarm, ISensor, and has this
caption:

IAlarm is the required interface for any classifier implementing
Isensor; conversely, Isensor is the required interface for any
classifier implementing IAlarm.

The text description says:

A set of interfaces constituting a protocol may be depicted as
interfaces with associations between them

Is this just notation, or are associations really in the model?

• If it is just notation, what is the model?

• If it is the model, isn't it overly restrictive? The modeler's
  intention might be that these are both required interfaces,
  declaring that the two support classes will include an association
  between them. I thought interface were extended in UML 2 to include
  associations generally.

Discussion
This issue has already been resolved by, or no longer applies to, the UML 2.5 Beta 1 specification.
Disposition: Closed - No Change