Happens to everyone I think.
Usually if I'm working on a long post, I'll Put the entire message into the clipboard. so if it does happen I don't lose anything.
I think it is a page timeout. But not sure.
This is what I always promise myself when it bums on me. But then I forget and it happens again. Plus, I have no clue, how long before the timeout kicks in and then it is too late because I can not go back. I think Brian is right that it happens on other forums, but I think the other forums let you go back a page and get back your stuff.
Yep, it is not funny. And what happens sometimes I just give up and don't waste my time trying to recreate the message.
I looked at the threads you listed and what's strange is the fact there are no replies from Steve or anyone from the SQL Server Central crew. Looks like they pretend the issue does not exist.
I think at least an explanation on what is the timeout in minutes..., and because this is a third party software they have no way of changing it ....(or someting like this) so at least we know they looked into it.