In the NMS programs we originally used the CGI::Carp set_message() method to conditionally output the actual error message if a $DEBUGGING variable was set - thus retaining the ability to catch fatal errors (and be able to use 'die' in the programs without getting a 500 status) and control what information that gets emitted to the user. We subsequently discovered that set_message() wasn't available in older versions of CGI::Carp so we have provided our own cut-down version.

/J\