From 37234c51e4d852f2a830db02885e06404bc9a7df Mon Sep 17 00:00:00 2001
From: Mark Sapiro <mark@msapiro.net>
Date: Fri, 3 Oct 2008 14:59:00 -0700
Subject: Changed the stripping of trailing spaces from lines of the list
 headers and footers to leave a trailing space on a '-- ' signature separator.

---
 Mailman/Handlers/Decorate.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Mailman/Handlers/Decorate.py b/Mailman/Handlers/Decorate.py
index 64d569db..81bf7d33 100644
--- a/Mailman/Handlers/Decorate.py
+++ b/Mailman/Handlers/Decorate.py
@@ -227,7 +227,8 @@ def decorate(mlist, template, what, extradict=None):
         template = Utils.to_percent(template)
     # Interpolate into the template
     try:
-        text = re.sub(r' *\r?\n', r'\n', template % d)
+        text = re.sub(r'(?m)(?<!^--) +(?=\n)', '',
+                      re.sub(r'\r\n', r'\n', template % d))
     except (ValueError, TypeError), e:
         syslog('error', 'Exception while calculating %s:\n%s', what, e)
         what = what.upper()
-- 
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