describe the current policy

pep-0373.txt

@@ -49,6 +49,14 @@ The current schedule is:
 Maintenance releases
 ====================
 
+Being the last of the 2.x series, 2.7 will have an extended period of
+maintenance. The current plan is to support it for at least 5 years
+from the initial 2.7 release. This means there will be bugfix releases
+until 2015. Depending on Python 3 adoption, this may be modified up or
+down.
+
+Dates of previous maintenance releases:
+
 - 2.7.1 2010-11-27
 - 2.7.2 2011-07-21
 - 2.7.3rc1 2012-02-23