From 0cee3794c7c9167ff2141bf13c2379edd0c5cec9 Mon Sep 17 00:00:00 2001
From: Ezio Melotti <ezio.melotti@gmail.com>
Date: Sun, 4 Apr 2010 06:41:27 +0000
Subject: Add a versionadded to Counter.subtract() doc.

---
 Doc/library/collections.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index f4ba51a..f579101 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -241,6 +241,8 @@ For example::
             >>> c.subtract(d)
             Counter({'a': 3, 'b': 0, 'c': -3, 'd': -6})
 
+      .. versionadded:: 2.7
+
    The usual dictionary methods are available for :class:`Counter` objects
    except for two which work differently for counters.
 
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