From cc0efba0bce75aaab1ead72e81470154a71ec525 Mon Sep 17 00:00:00 2001
From: James Halliday <mail@substack.net>
Date: Sun, 14 Apr 2013 21:34:06 -0700
Subject: [PATCH] document parse env

---
 readme.markdown | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/readme.markdown b/readme.markdown
index 01af175..2e21a5a 100644
--- a/readme.markdown
+++ b/readme.markdown
@@ -60,10 +60,13 @@ var parse = require('shell-quote').parse;
 Return a quoted string for the array `args` suitable for using in shell
 commands.
 
-## parse(cmd)
+## parse(cmd, env={})
 
 Return an array of arguments from the quoted string `cmd`.
 
+Interpolate embedded bash-style `$VARNAME` and `${VARNAME}` variables with
+the `env` object which like bash will replace undefined variables with `""`.
+
 # install
 
 With [npm](http://npmjs.org) do: