From bf217c75f9cd2207fb42b1f397cf4b98a6c9b616 Mon Sep 17 00:00:00 2001
From: Martin Grenfell <martin.grenfell@gmail.com>
Date: Mon, 16 Nov 2015 11:29:54 +0000
Subject: [PATCH] fix a couple of var references in UI

---
 lib/nerdtree/ui.vim | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/nerdtree/ui.vim b/lib/nerdtree/ui.vim
index 40c014e..0d73119 100644
--- a/lib/nerdtree/ui.vim
+++ b/lib/nerdtree/ui.vim
@@ -27,12 +27,12 @@ function! s:UI._dumpHelp()
         let @h=@h."\" File node mappings~\n"
         let @h=@h."\" ". (g:NERDTreeMouseMode ==# 3 ? "single" : "double") ."-click,\n"
         let @h=@h."\" <CR>,\n"
-        if b:NERDTree.isTabTree()
+        if self.nerdtree.isTabTree()
             let @h=@h."\" ". g:NERDTreeMapActivateNode .": open in prev window\n"
         else
             let @h=@h."\" ". g:NERDTreeMapActivateNode .": open in current window\n"
         endif
-        if b:NERDTree.isTabTree()
+        if self.nerdtree.isTabTree()
             let @h=@h."\" ". g:NERDTreeMapPreview .": preview\n"
         endif
         let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"