Re: values of notify ":priority" tag

Peter Saint-Andre wrote:

> In draft-ietf-sieve-notify-01 the possible values of the ":priority" 
> tag are "1", "2", and "3". There is a note about perhaps retaining 
> "high", "normal", and "low" instead. I wonder why we're not using 
> "urgent", "normal", and "non-urgent" as specified in RFC 1327 and 
> re-used in RFC 2076 and RFC 3261 (the latter also adds "emergency" but 
> I don't think we'd need that for email notifications).
Another question related to this: do we want to have 3 levels or 5 (like 
in X-Priority header)?