I'm debugging a symphony app that sends out error messages as full fledged HTML pages with bells and whistles. Previously I could see the rendered version of th

I'm debugging a symphony app that sends out error messages as full fledged HTML pages with bells and whistles. Previously I could see the rendered version of the HTML in firefox by going to the Preview tab after selecting the request but a short while back they removed this feature. I am now forced to use Chrome for debugging. I can't see the point of Forgot dev edition of they have to remove useful dev features from it.