From 3b1289ba40122997ddb79848af1d1653fd59a170 Mon Sep 17 00:00:00 2001
From: Martin Grenfell <martin_grenfell@msn.com>
Date: Thu, 25 Dec 2008 10:10:56 +1300
Subject: [PATCH] bugfix for the e mapping

if we were using e on the current dir (or a file in that dir) then we
would end up doing an ":edit" with no target. Now we use "." in
Path#strForEditCmd if it would resolve to an empty string
---
 plugin/NERD_tree.vim | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugin/NERD_tree.vim b/plugin/NERD_tree.vim
index b669e8d..8c9e365 100644
--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -1566,6 +1566,10 @@ function! s:Path.strForEditCmd()
     if stridx(p, cwd) == 0
         let p = strpart(p, strlen(cwd)+1)
     endif
+    
+    if p == ''
+        let p = '.'
+    endif
 
     return p