by rmeden » Thu Jan 14, 2010 6:28 pm
It's generated by Tribune (their system has an expiration date field). I've never seen it used for anything other than the expiration date.
In XMLTV/tv_grab_na_dd I display it, which is probably a good idea, but since most of the time the scripts run automatically, a message there typically won't be seen by a human. We'll email you using your email on file if we need to tell you something.
Robert