From f78d13b648b71565073f10d27c898a69dd5e8164 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Wed, 14 May 2014 15:53:33 -0400
Subject: [PATCH] add v1.4.3 release notes

---
 README.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README.md b/README.md
index 3ca27d2..12f8184 100644
--- a/README.md
+++ b/README.md
@@ -329,6 +329,11 @@ http://rubydoc.info/github/holtrop/rscons/frames.
 
 ## Release Notes
 
+### v1.4.3
+
+- fix builders properly using construction variable overrides
+- expand nil construction variables to empty strings
+
 ### v1.4.2
 
 - add Environment#expand_path