gnatsweb/474: Crash on Edit when category name contains ++

>Number:         474
>Notify-List:    
>Category:       gnatsweb
>Synopsis:       Crash on Edit when category name contains ++
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Apr 29 12:32:48 -0400 2003
>Originator:     yngve.svendsen@xxxxxxx (Yngve Svendsen)
>Release:        3.99.4
>Organization:

>Environment:

>Description:
Gnatsweb crashes with 

Nested quantifiers before HERE mark in regex m/^client-c++ << HERE $/ at 
/usr/local/apache/cgi-bin/gnatsweb.pl line 1581, <SOCK> line 308.

when tryiong to edit a PR with category name that contains "++".
>How-To-Repeat:

>Fix:
Unknown
>Unformatted: