From 7aa4b7dc6bd6ecea1f5009c5549ea69dd59d96d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Mendon=C3=A7a=20Fran=C3=A7a?=
 <rafaelmfranca@gmail.com>
Date: Wed, 5 Feb 2014 23:55:50 -0200
Subject: Add CHANGELOG entry

Closes #13909
---
 activesupport/CHANGELOG.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'activesupport')

diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index fa2f2384f9..0dc74ecd8c 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,3 +1,17 @@
+*   Fix `to_param` behavior when there are nested empty hashes.
+
+    Before:
+
+        params = {c: 3, d: {}}.to_param # => "&c=3"
+
+    After:
+
+        params = {c: 3, d: {}}.to_param # => "c=3&d="
+
+    Fixes #13892.
+
+    *Hincu Petru*
+
 *   Deprecate custom `BigDecimal` serialization
 
     Deprecate the custom `BigDecimal` serialization that is included when requiring
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