in reply to
Re^2: Changing the content type
in thread Changing the content type
Thank you for the correction. I'll check tomorrow when I'm at office if (a) the above code is really the one I use and (b) if our script shows the same problem!
It is absolutely possible that we have put in production a program that duplicates the content-type and that Firefox accepts it without a warning using the first and discarding the second one.
Rule One: "Do not act incautiously when confronting a little bald wrinkly smiling man."