are variables local or global?

if I use some variables in my /etc/procmailrc file that are user
dependent, is there a chance that two different instances of procmail
use them erronously. I mean are these variable local per procces or are
they global?



_______________________________________________
procmail mailing list
procmail(_at_)lists(_dot_)RWTH-Aachen(_dot_)DE
http://MailMan.RWTH-Aachen.DE/mailman/listinfo/procmail