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-rw-r--r--Mailman/Handlers/Acknowledge.py5
1 files changed, 2 insertions, 3 deletions
diff --git a/Mailman/Handlers/Acknowledge.py b/Mailman/Handlers/Acknowledge.py
index 8ad2ab709..aa066a0e5 100644
--- a/Mailman/Handlers/Acknowledge.py
+++ b/Mailman/Handlers/Acknowledge.py
@@ -37,9 +37,8 @@ def process(mlist, msg, msgdata):
if subject:
# trim off the subject prefix
prefix = mlist.subject_prefix
- plen = len(prefix)
- if len(subject) > plen and subject[0:plen] == prefix:
- subject = subject[plen:]
+ if subject.startswith(prefix):
+ subject = subject[len(prefix):]
# get the text from the template
realname = mlist.real_name
text = Utils.maketext(