Absence of the header means the script is 1.0 compliant. This just as easily fixed with out band server configuration choices.
Lets do it.
I'm definately coming late to this discussion, but I have some strong thoughtsto offer. It would be incredibly fool hardy to try and change this behaviour now. I doubt that any commercial vendor is willing to release a product that will break a large number of sites simply to claim compliance with this spec. This tread died out almost a month ago yet there is no solution yet. The current situation is unworkable.