Great question, and one that I recognize. Searched through the forum for an old post of mine and found it: http://www.gossamer-threads.com/...orum.cgi?post=191101

2002-10-10 (I think that's month then day)

As I wrote then, it's a format I never would have guessed at.

I'm also not sure what the status on the gforum manual is, but this would be a good addition to it.