From 3e217115bc467f1298ef7880fbe7fe74f75d5f8e Mon Sep 17 00:00:00 2001
From: Martin Grenfell <martin_grenfell@msn.com>
Date: Wed, 16 Jul 2008 18:37:52 +1200
Subject: [PATCH] fix a bug with improper use of bufwinnr function

add a '^' and '$' to the end of the file matching pattern so it cant get
confused by buffer names that happen to be a substring of buffer we are
comparing against
---
 plugin/NERD_tree.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/NERD_tree.vim b/plugin/NERD_tree.vim
index cc23e79..f04771c 100644
--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -2308,7 +2308,7 @@ function! s:OpenFileNode(treenode)
     call s:PutCursorInTreeWin()
 
     "if the file is already open in this tab then just stick the cursor in it
-    let winnr = bufwinnr(a:treenode.path.StrForOS(0))
+    let winnr = bufwinnr('^' . a:treenode.path.StrForOS(0) . '$')
     if winnr != -1
         exec winnr . "wincmd w"