#9559: Append data to single-file mailbox files if messages are only added
If messages were only added, a new file is no longer created and
renamed over the old file when flush() is called on an mbox, MMDF or
Babyl mailbox.
diff --git a/Misc/NEWS b/Misc/NEWS
index 62968d2..aa41678 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -75,6 +75,10 @@
Library
-------
+- Issue #9559: If messages were only added, a new file is no longer
+ created and renamed over the old file when flush() is called on an
+ mbox, MMDF or Babyl mailbox.
+
- Issue #14653: email.utils.mktime_tz() no longer relies on system
mktime() when timezone offest is supplied.