From d88f735f1713cc436934be93bf8be98129974b74 Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@cheimes.de>
Date: Fri, 16 Aug 2013 14:37:50 +0200
Subject: Issue #18673: Add versionchanged to docs

---
 Doc/library/os.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Doc/library/os.rst b/Doc/library/os.rst
index cfcb062..82d05ed 100644
--- a/Doc/library/os.rst
+++ b/Doc/library/os.rst
@@ -924,6 +924,10 @@ or `the MSDN <http://msdn.microsoft.com/en-us/library/z0kc8e3z.aspx>`_ on Window
    These constants are GNU extensions and not present if they are not defined by
    the C library.
 
+   .. versionchanged:: 3.4
+      Add :data:`O_TMPFILE` constant. It's only available on Linux Kernel 3.11
+      or newer.
+
 
 .. function:: openpty()
 
-- 
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