> From: "Riley, Jenn" <[log in to unmask]>
> > Note that we (our office at LC) are trying to work on this problem and
> > come up with some other profile of ISO 8601 that can be used with
> > various
> > XML formats, including MODS and PREMIS. That will include being able to
> > use the basic 8601 format without hyphens, and to deal with
> > questionable,
> > open date ranges, BCE dates, etc.-- and have a name to call these sorts
> > of
> > encodings. We know we can't fix the problems with ISO 8601 but if we
> > can
> > define a different profile and then extend it to accommodate other
> > sorts
> > of dates, we would all benefit.
>
> That's exactly what I need, as well. Looking forward to it in MODS 4.0.
:-)

I don't think this would need to wait for 4.0.  It does need to wait for the
profile to be developed, of course, but then that profile name  could be
added to the list of date types (currently w3cdtf, iso8601, marc). That
would necessitate a minor version change but not a major one.

--Ray