support for using yyyy-mm-dd (2008-01-31) date format in Wiki and elsewhere

[Joe Pfeiffer]

richard5 at email.arizona.edu writes:
>How about insted of worrying about the way it's encoded we just write 
>it January
>1, 2008.  I think that's pretty much standard.

In the US, it's standard.  Pretty much any other place in the world,
it's non-standard.

The ISO representation is standard (by definition), people really have
no excuse to get confused by it, and sorting on ISO-format dates "just
works".