> example to "u"?
Fine with me.
> > <!-- BTW, this is needed for extensibility: crsp = "wgs84" /
> > 1*( alphanum / "-" ) -->
>
> Well. This circles around the issue of "allowing" vs "not precluding".
> I
> deliberately left that out of the current specification, and would have
> expected documents adding new CRSes to update the "crsp" component of
> the ABNF - and would remove the need for a "crs" parameter value
> registry at this point (with being just one CRS defined).
>
> This is a question how "open" we want to be at this point.
From what I've seen, the ABNF is left open, but the text is more restrictive. That means that implementations of the base spec don't choke on extensions if they strictly follow the BNF. You've already done that for parameters, so it's just a matter of consistently applying the principle.
> Can we refer to some previous work on how "uncertainty" is defined?
I have an informational doc, but we never seem to get around to discussing adopting it.
http://tools.ietf.org/html/draft-thomson-geopriv-uncertainty
In fact, I've never actually presented it. I'd like to, one of these days.
--Martin
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