Merged upstream changes.

diff --cc Misc/NEWS
index 23ad604486e95413ec63e0016fd58aedd1e7ac51,26cd7aafb3d6c6e2d62f76df3e5d13290417b7db..369b1a51b25c49028369b1d9b694582d316bdacb
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -10,6 -10,6 +10,8 @@@ What's New in Python 3.3.0 Alpha 4
  Core and Builtins
  -----------------
  
++- Issue #14712 (PEP 405): Virtual environments. Implemented by Vinay Sajip.
++
  - Issue #14660 (PEP 420): Namespace packages. Implemented by Eric Smith.
  
  - Issue #14494: Fix __future__.py and its documentation to note that