On Thu, 06 May 2010 07:32:30 -0400, MikeR
wrote:

It's called threading.

Of course. The point is that the newsgroup server is not using an
internal message ID for the threading, but rather the Subject text
itself. Using the Subject line causes problems in a busy newsgroup
because the chances of exact duplicates are higher.

Armen Stein
Microsoft Access MVP
www.JStreetTech.com