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RE: Advance RFC 2234? (was Re: DISCUSS on UTF-8 to Standard)



>Dave Crocker went through this exercise some time back, and he found one 
>more unused feature: the %x01.02.03 syntax for writing multiple-byte values 
>without repeating the %x prefix.

It's used in several of the specs that Ned references.  It's used
extensively in e.g. SIP (RFC 3261) to designate case-sensitive strings.

  Bill