Add an optional prefix to the PATCH subject when mailing.

[stgit] / templates / patchmail.tmpl

From: %(maintainer)s
Subject: [%(prefix)sPATCH%(version)s%(number)s] %(shortdescr)s
Date: %(date)s
%(endofheaders)s
From: %(authname)s <%(authemail)s>

%(longdescr)s
---

%(diffstat)s

%(diff)s