From 1f4769065236514ca80f292e4ee807522e7126ea Mon Sep 17 00:00:00 2001
From: Steve Purcell <steve@sanityinc.com>
Date: Sun, 20 Apr 2014 13:39:00 +0100
Subject: [PATCH] Add note about "make sandbox" (see #1666)

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 917da9d3..49e07b47 100644
--- a/README.md
+++ b/README.md
@@ -146,6 +146,15 @@ within Emacs and specifying the newly built package in the directory
 specified by `package-build-archive-dir` (default: `packages/`
 directory where `package-build` was loaded).
 
+You can optionally run a sandboxed Emacs in which locally-built
+packages will be available for installation along with those already
+in MELPA:
+
+```
+EMACS=/path/to/emacs make sandbox
+```
+then `M-x package-list-packages`, install and test as appropriate.
+
 ### Submitting
 
 After verifying the entry works properly please open a pull request on