How to debug Bugzilla code

[Gervase Markham]

Arvind Singh wrote:
> I am a new user of Bugzilla. I am using Bugzilla 2.16.1.
> It's running on RedHat Linux 7.1.
> I am trying to make changes in the processmail, process_bug.cgi, 
> show_bug.cgi & template files.
> How do I debug my changes ?

print(""); ? :-)
Adding extra values to $vars and printing them in the template is also 
good. And the Apache error log will tell you if your changes don't 
compile or have warnings.

Gerv