#5346: Preserve permissions of mbox, MMDF and Babyl mailbox files on flush()

diff --cc Lib/mailbox.py
Simple merge

diff --cc Lib/test/test_mailbox.py
Simple merge

diff --cc Misc/NEWS
index 2d8d16865117ae35772e225c584e310d4f172750,99515c0639227e32d2c07f77fd50909c6aa3bfec..4d1f104828ce2e441b2b461bc19f4fd0bcaa06e7
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -2,47 -2,10 +2,50 @@@
  Python News
  +++++++++++
  
 -What's New in Python 3.2.4
 -==========================
 +What's New in Python 3.3.0 Beta 2?
 +==================================
 +
 +*Release date: xx-xxx-2012*
 +
 +Core and Builtins
 +-----------------
 +
 +
 +Library
 +-------
 +
++- Issue #5346: Preserve permissions of mbox, MMDF and Babyl mailbox
++  files on flush().
++
 +- Issue #10571: Fix the "--sign" option of distutils' upload command.
 +  Patch by Jakub Wilk.
 +
 +- 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 10924: Fixed mksalt() to use a RNG that is suitable for cryptographic
 +  purpose.
 +
 +Extension Modules
 +-----------------
 +
 +- Issue #15194: Update libffi to the 3.0.11 release.
  
 -*Release date: XX-XX-XXXX*
 +Tools/Demos
 +-----------
 +
 +- Issue #12605: The gdb hooks for debugging CPython (within Tools/gdb) have
 +  been enhanced to show information on more C frames relevant to CPython within
 +  the "py-bt" and "py-bt-full" commands:
 +    * C frames that are waiting on the GIL
 +    * C frames that are garbage-collecting
 +    * C frames that are due to the invocation of a PyCFunction
 +
 +What's New in Python 3.3.0 Beta 1?
 +==================================
 +
 +*Release date: 27-Jun-2012*
  
  Core and Builtins
  -----------------