On Mon, Nov 29, 2010 at 5:34 PM, Denenberg, Ray <[log in to unmask]> wrote:
> (second of two messages)
> These all have distinct meanings.
> It means just that, "unknown". So for 199u, the 'u' may be replaced by any single digit.
> [Note: we have not settled on 'u' as the "unknown" character. We just haven't found a better one yet.]
> it means "known to be one of a set". So 2004-[01,02,03] means "January, February, or march of 2004, we don't know which but we know it's one of those".
> A strict value, but this value may be wrong. 2004-06? means "it may be June 2004, but then, it might not."
> It means just that, "approximate".
I don't understand the last one. Can we spell it out more fully?