LCUP issue: What is "a while"?

"Jim Sermersheim" <[email protected]>
Newsgroups gmane.ietf.ldup
Message-ID <[email protected]> 
Section 4.8 states "it MUST wait for a while before attempting another
synchronization session with the server. "

If we're going to use an imperative like MUST, we ought to not use
vague language like "a while". I suggest we drop the MUST anyway--is
there an interoperability issue here?

Jim
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