From 56367e25ee9ae99694a2e69f6c2de0dfa9956211 Mon Sep 17 00:00:00 2001
From: ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 7 Dec 2015 16:30:31 +0000
Subject: add a NEWS entry for r52917

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 NEWS | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/NEWS b/NEWS
index 3b4d66b6fd..7a6c82661f 100644
--- a/NEWS
+++ b/NEWS
@@ -106,6 +106,11 @@ with all sufficient information, see the ChangeLog file.
 
 * Regexp/String: Updated Unicode version from 7.0.0 to 8.0.0
 
+* String
+
+  * String#+@ and String#- are added to get mutable/frozen strings.
+    [Feature #11782]
+
 * Struct
   * Struct#dig [Feature #11688]
 
-- 
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