From 28085dd7d8f739e3d19bab1269f30738ded5f8e1 Mon Sep 17 00:00:00 2001
From: Jason Franklin <j_fra@fastmail.us>
Date: Tue, 14 Nov 2017 18:31:46 -0500
Subject: [PATCH] Add back support for "b:NERDTreeRoot"

---
 lib/nerdtree/creator.vim | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/nerdtree/creator.vim b/lib/nerdtree/creator.vim
index ec04140c..047939fa 100644
--- a/lib/nerdtree/creator.vim
+++ b/lib/nerdtree/creator.vim
@@ -109,6 +109,12 @@ endfunction
 " FUNCTION: s:Creator._createNERDTree(path) {{{1
 function! s:Creator._createNERDTree(path, type)
     let b:NERDTree = g:NERDTree.New(a:path, a:type)
+
+    " TODO: This assignment is kept for compatibility reasons.  Many other
+    " plugins use "b:NERDTreeRoot" instead of "b:NERDTree.root".  Remove this
+    " assignment in the future.
+    let b:NERDTreeRoot = b:NERDTree.root
+
     call b:NERDTree.root.open()
 endfunction