chore: Release version 7.0.1 (#1388 )

fix: Make NERDTreeFind to handle directory case sensitivity (#1387 )
Co-authored-by: Dan Gibson <danial.gibson@spin.net.au>
2025-11-08 11:23:48 -05:00 · 2023-12-02 18:57:37 +03:00 · 2023-12-01 22:12:13 +03:00 · 2023-11-15 15:32:17 +03:30 · 2023-10-26 00:24:05 +03:30 · 2023-10-26 00:20:57 +03:30
23 changed files with 1010 additions and 601 deletions
--- a/.github/ISSUE_TEMPLATE/bug.md
+++ b/.github/ISSUE_TEMPLATE/bug.md
@@ -5,41 +5,42 @@ labels: bug
 ---
 <!-- Attention! Please Read!

-Please fill out ALL the information below so that the issue can be fully
-understood. Omitting information will delay the resolution of your issue. It
-will be labeled "Needs More Info", and may be closed until there is enough
-information.
+Please fill out ALL the information below so that the issue can be fully understood. Omitting
+information will delay the resolution of your issue. It will be labeled "Needs More Info", and
+may be closed until there is enough information.

-Keep in mind that others may have the same question in the future. The better
-your information, the more likely they'll be able to help themselves. -->
+Keep in mind that others may have the same question in the future. The better your information,
+the more likely they'll be able to help themselves.
+-->

 #### Self-Diagnosis
-<!-- Check the boxes after creating the issue, or use [x]. -->
- [ ] I have searched the [issues](https://github.com/scrooloose/nerdtree/issues) for an answer to my question.
- [ ] I have reviewed the NERDTree documentation. `:h NERDTree`
- [ ] I have reviewed the [Wiki](https://github.com/scrooloose/nerdtree/wiki).
- [ ] I have searched the web for an answer to my question.
+Before creating an issue, take some time to search these resources for an answer. It's possible that someone else has already seen and solved your issue.
+- [old NERDTree issues](https://github.com/preservim/nerdtree/issues?q=is%3Aissue)
+- NERDTree documentation - `:h NERDTree`
+- [NERDTree Wiki](https://github.com/preservim/nerdtree/wiki)
+- Other resources: <https://stackoverflow.com>, <https://vi.stackexchange.com>, etc.

-#### Environment (for bug reports)
- [ ] Operating System: 
- [ ] Vim/Neovim version `:echo v:version`: 
- [ ] NERDTree version, found on 1st line in NERDTree quickhelp `?`: 
- [ ] vimrc settings
-    - [ ] NERDTree variables
-    ```vim
-    ```
-    - Other NERDTree-dependent Plugins
-        - [ ] jistr/vim-nerdtree-tabs
-        - [ ] ryanoasis/vim-devicons
-        - [ ] tiagofumo/vim-nerdtree-syntax-highlight
-        - [ ] Xuyuanp/nerdtree-git-plugin
-        - [ ] Others (specify): 
-    - [ ] I've verified the issue occurs with only NERDTree installed.
+#### Environment
+- Operating System: 
+- Vim/Neovim version `:version`: 
+- NERDTree version, found on first line of quickhelp `?`: 
+- Are you using any of these NERDTree-dependent plugins?  <!-- Check the boxes after creating the issue. -->
+    - [ ] [Xuyuanp/nerdtree-git-plugin](https://github.com/Xuyuanp/nerdtree-git-plugin)
+    - [ ] [ryanoasis/vim-devicons](https://github.com/ryanoasis/vim-devicons)
+    - [ ] [tiagofumo/vim-nerdtree-syntax-highlight](https://github.com/tiagofumo/vim-nerdtree-syntax-highlight)
+    - [ ] [scrooloose/nerdtree-project-plugin](https://github.com/scrooloose/nerdtree-project-plugin)
+    - [ ] [PhilRunninger/nerdtree-buffer-ops](https://github.com/PhilRunninger/nerdtree-buffer-ops)
+    - [ ] [PhilRunninger/nerdtree-visual-selection](https://github.com/PhilRunninger/nerdtree-visual-selection)
+    - [ ] [jistr/vim-nerdtree-tabs](https://github.com/jistr/vim-nerdtree-tabs)
+    - [ ] Others (specify):
+- Provide a minimal **.vimrc** file that will reproduce the issue.
+```vim
+```

 #### Steps to Reproduce the Issue
 1. 

-#### Current Result (Include screenshots where appropriate.)
+#### Current Behavior (Include screenshots where appropriate.)

 #### Expected Result

--- a/.github/ISSUE_TEMPLATE/question.md
+++ b/.github/ISSUE_TEMPLATE/question.md
@@ -3,22 +3,11 @@ name: "General Question"
 about: "Having trouble setting up NERDTree? Need clarification on a setting? Ask your question here."
 labels: "general question"
 ---
-<!-- Attention! Please Read!
-
-Please fill out ALL the information below so that the issue can be fully
-understood. Omitting information will delay the resolution of your issue. It
-will be labeled "Needs More Info", and may be closed until there is enough
-information.
-
-Keep in mind that others may have the same question in the future. The better
-your information, the more likely they'll be able to help themselves. -->
-
-#### Self-Diagnosis
-<!-- Check the boxes after creating the issue, or use [x]. -->
- [ ] I have searched the [issues](https://github.com/scrooloose/nerdtree/issues) for an answer to my question.
- [ ] I have reviewed the NERDTree documentation. `:h NERDTree`
- [ ] I have reviewed the [Wiki](https://github.com/scrooloose/nerdtree/wiki).
- [ ] I have searched the web for an answer to my question.
+Before creating an issue, take some time to search these resources. It's possible that someone else has already asked your question and gotten an answer.
+- [old NERDTree issues](https://github.com/preservim/nerdtree/issues?q=is%3Aissue)
+- NERDTree documentation - `:h NERDTree`
+- [NERDTree Wiki](https://github.com/preservim/nerdtree/wiki)
+- Other resource: <https://stackoverflow.com>, <https://vi.stackexchange.com>, etc.

 #### State Your Question

--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -1,16 +1,7 @@
 ### Description of Changes
-Closes #  <!-- Issue number this PR addresses. If none, remove this line. -->
+Closes #    <!-- Enter the issue number this PR addresses. If none, remove this line. -->


 ---
 ### New Version Info

-#### Author's Instructions
- [ ] Derive a new `MAJOR.MINOR.PATCH` version number. Increment the:
-    - `MAJOR` version when you make incompatible API changes
-    - `MINOR` version when you add functionality in a backwards-compatible manner
-    - `PATCH` version when you make backwards-compatible bug fixes
- [ ] Update [CHANGELOG.md](https://github.com/scrooloose/nerdtree/blob/master/CHANGELOG.md), following the established pattern.
-#### Collaborator's Instructions
- [ ] Review [CHANGELOG.md](https://github.com/scrooloose/nerdtree/blob/master/CHANGELOG.md), suggesting a different version number if necessary.
- [ ] After merge, tag the merge commit, e.g. `git tag -a 3.1.4 -m "v3.1.4" && git push origin --tags`
--- a/.github/workflows/vint.yml
+++ b/.github/workflows/vint.yml
@@ -7,9 +7,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
-      uses: actions/checkout@master
+      uses: actions/checkout@v3
    - name: Run vint with reviewdog
-      uses: reviewdog/action-vint@v1.0.1
+      uses: reviewdog/action-vint@v1
      with:
        github_token: ${{ secrets.github_token }}
        reporter: github-pr-review
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,90 @@
 # NERDTree Change Log
-
-<!--
-    Introduce a new MAJOR.MINOR version with a 4-hash header.
-
-    PATCH versions are listed from newest to oldest under their respective MAJOR.MINOR version
-    in an unordered list.  The format is:
+<!-- Introduce a new MAJOR or MINOR version with a 4-hash header.
+     PATCH versions are listed from newest to oldest under their respective MAJOR.MINOR
+     version in an unordered list.  The format is:
        - **.PATCH**: Pull Request Title (PR Author) [PR Number](Link to PR)
+            or
+        - **.PATCH**:
+            - Pull Request Title 1 (PR Author) [PR Number](Link to PR)
+            - Pull Request Title 2 (PR Author) [PR Number](Link to PR)
+                .
+                .
+                .
+            - Pull Request Title n (PR Author) [PR Number](Link to PR)
 -->
+#### 7.0
+- **.1**:
+    - Fix NERDTreeFind to handle directory case sensitivity. (dangibson) [#1387](https://github.com/preservim/nerdtree/pull/1387)
+    - New Show file lines toggle. (hsnks100) [#1384](https://github.com/preservim/nerdtree/pull/1384)
+    - Add case sensitivity for refreshing nodes. (rzvxa) [#1382](https://github.com/preservim/nerdtree/pull/1382)
+    - Clarified the NERDTreeChangePermissions prompt. (rzvxa) [#1381](https://github.com/preservim/nerdtree/pull/1381)
+    - New reveal functionality for Windows. (rzvxa) [#1366](https://github.com/preservim/nerdtree/pull/1366)
+    - Fix bracket escaping in path names. (kai-patel) [#1359](https://github.com/preservim/nerdtree/pull/1359)
+    - Fix Case Sensitive Move Operation. (rzvxa) [#1375](https://github.com/preservim/nerdtree/pull/1375)
+    - New menu command for changing selected node permissions. (mjkloeckner) [#1348](https://github.com/preservim/nerdtree/pull/1348)
+    - Fix documentation errors. (BubuDavid) [#1372](https://github.com/preservim/nerdtree/pull/1372)
+    - Fix typo in nerdtree.vim file. (SandeshPyakurel) [#1380](https://github.com/preservim/nerdtree/pull/1380)
+- **.0**:
+    - Now we warn about invalid files instead of ignoring them silently. (rmonico) [#1365](https://github.com/preservim/nerdtree/pull/1365)
+    - New g:NERDTreeWinPos options for top and bottom. (rzvxa) [#1363](https://github.com/preservim/nerdtree/pull/1363)
+    - Fix error in README. (nickspoons) [#1330](https://github.com/preservim/nerdtree/pull/1330)
+    - Fix typo in the documentation. (chapeupreto) [#1306](https://github.com/preservim/nerdtree/pull/1306)
+#### 6.10
+- **.16**: Fix documentation errors. (lifecrisis) [#1269](https://github.com/preservim/nerdtree/pull/1269)
+- **.15**: Ensure backward compatible testing of types. (lifecrisis) [#1266](https://github.com/preservim/nerdtree/pull/1266)
+- **.14**: Replace trim() with a version-compatible alternative. (PhilRunninger) [#1265](https://github.com/preservim/nerdtree/pull/1265)
+- **.13**: Change highlighting of bookmarks in the tree. (PhilRunninger) [#1261](https://github.com/preservim/nerdtree/pull/1261)
+- **.12**: Answer the question about accessing files over scp or ftp. (PhilRunninger) [#1259](https://github.com/preservim/nerdtree/pull/1259)
+- **.11**: Trim filenames created via the fs_menu (elanorigby) [#1243](https://github.com/preservim/nerdtree/pull/1243)
+- **.10**: Improve F.A.Q. Answers and Issue Templates (PhilRunninger) [#1249](https://github.com/preservim/nerdtree/pull/1249)
+- **.9**: `go` on a bookmark directory will NERDTreeFind it. (PhilRunninger) [#1236](https://github.com/preservim/nerdtree/pull/1236)
+- **.8**: Put `Callback` function variables in local scope. (PhilRunninger) [#1230](https://github.com/preservim/nerdtree/pull/1230)
+- **.7**: Fix mouse-clicking a file to open it. (PhilRunninger) [#1225](https://github.com/preservim/nerdtree/pull/1225)
+- **.6**: Restore the default behavior of the `<CR>` key. (PhilRunninger) [#1221](https://github.com/preservim/nerdtree/pull/1221)
+- **.5**: Fix `{'keepopen':0}` in NERDTreeCustomOpenArgs (PhilRunninger) [#1217](https://github.com/preservim/nerdtree/pull/1217)
+- **.4**: Removed directory separator from sort key (Daniel E) [#1219](https://github.com/preservim/nerdtree/pull/1219)
+- **.3**: Add new FAQ and answer: How to prevent buffers replacing NERDTree. (PhilRunninger) [#1215](https://github.com/preservim/nerdtree/pull/1215)
+- **.2**: New menu command: Run a system command in this directory. (PhilRunninger) [#1214](https://github.com/preservim/nerdtree/pull/1214)
+- **.1**: Escape quotation marks so they can be used in key mappings. (PhilRunninger) [#1213](https://github.com/preservim/nerdtree/pull/1213)
+- **.0**: Enable full path specifications for NERDTreeIgnore (PhilRunninger) [#1207](https://github.com/preservim/nerdtree/pull/1207)
+#### 6.9
+- **.12**: Respect NERDTreeCustomOpenArgs when opening bookmark (przepompownia) [#1200](https://github.com/preservim/nerdtree/pull/1200)
+- **.11**: Revamp the README. (buncis, PhilRunninger) [#1192](https://github.com/preservim/nerdtree/pull/1192), [#1193](https://github.com/preservim/nerdtree/pull/1193)
+- **.10**: Open a mirrored NERDTree with correct width (PhilRunninger) [#1177](https://github.com/preservim/nerdtree/pull/1177)
+- **.9**: Updated Readme, removed typo (H3RSKO) [#1167](https://github.com/preservim/nerdtree/pull/1167)
+- **.8**: Refactor sort comparison functions, removing redundancy (PhilRunninger) [#1166](https://github.com/preservim/nerdtree/pull/1166)
+- **.7**: Fix argument of `exists()` function calls checking for autocommands. (PhilRunninger) [#1165](https://github.com/preservim/nerdtree/pull/1165)
+- **.6**: Don't use silent when raising User events (PhilRunninger) [#1164](https://github.com/preservim/nerdtree/pull/1164)
+- **.5**: Fix highlight for file node.  (pirey) [#1157](https://github.com/preservim/nerdtree/pull/1157)
+- **.4**: Make sure symbolic links' flags are highlighted correctly.  (PhilRunninger) [#1156](https://github.com/preservim/nerdtree/pull/1156)
+- **.3**: Fix new NERDTrees' width when previous one was in the only window. (PhilRunninger) [#1153](https://github.com/preservim/nerdtree/pull/1153)
+- **.2**: Fix the scope of several key mappings (lifecrisis, PhilRunninger) [#1151](https://github.com/preservim/nerdtree/pull/1151)
+- **.1**: Respect user's `&shellslash` setting in CopyNode and RemoveNode functions (PhilRunninger) [#1150](https://github.com/preservim/nerdtree/pull/1150)
+- **.0**: Enable opening bookmarks in split windows. (PhilRunninger) [#1144](https://github.com/preservim/nerdtree/pull/1144)
+#### 6.8
+- **.0**: Allow concealed characters to show another character. (PhilRunninger) [#1138](https://github.com/preservim/nerdtree/pull/1138)
+#### 6.7
+- **.15**: Add curly braces to the list of characters to be escaped. (PhilRunninger) [#1128](https://github.com/preservim/nerdtree/pull/1128)
+- **.14**: Use backward-compatible `nerdtree#and()` in one place that was missed. (PhilRunninger) [#1134](https://github.com/preservim/nerdtree/pull/1134)
+- **.13**: `cmd.exe /c start "" <filename>` for windows default viewer support. (J. Altayó) [#1130](https://github.com/preservim/nerdtree/pull/1130)
+- **.12**: Fixed a bug that caused the file-tree construction to slow down significantly. (Eugenij-W) [#1126](https://github.com/preservim/nerdtree/pull/1126)
+- **.11**: Fix exception in NERDTreeFind (on windows OS and If the file is located in the root directory of the disk) (Eugenij-W) [#1122](https://github.com/preservim/nerdtree/pull/1122)
+- **.10**: Do not consider the tree root to be "cascadable". (lifecrisis) [#1120](https://github.com/preservim/nerdtree/pull/1120)
+- **.9**: Force `:NERDTreeFocus` to allow events to be fired when switching windows. (PhilRunninger) [#1118](https://github.com/preservim/nerdtree/pull/1118)
+- **.8**: Fix example code for the `NERDTreeAddKeyMap()` function. (PhilRunninger) [#1116](https://github.com/preservim/nerdtree/pull/1116)
+- **.7**: Put `'%'` argument in `bufname()` for backwards compatibility. (PhilRunninger) [#1105](https://github.com/preservim/nerdtree/pull/1105)
+- **.6**: If a file's already open in the window, don't edit it again. (PhilRunninger) [#1103](https://github.com/preservim/nerdtree/pull/1103)
+- **.5**: Prevent unneeded tree creation in `:NERDTreeToggle[VCS] <path>` (PhilRunninger) [#1101](https://github.com/preservim/nerdtree/pull/1101)
+- **.4**: Add missing calls to the `shellescape()` function (lifecrisis) [#1099](https://github.com/preservim/nerdtree/pull/1099)
+- **.3**: Fix vsplit to not open empty buffers when opening previously closed file (AwkwardKore) [#1098](https://github.com/preservim/nerdtree/pull/1098)
+- **.2**: Fix infinity loop (on winvim) in FindParentVCSRoot (Eugenij-W) [#1095](https://github.com/preservim/nerdtree/pull/1095)
+- **.1**: File Move: Escape existing directory name when looking for open files. (PhilRunninger) [#1094](https://github.com/preservim/nerdtree/pull/1094)
+- **.0**: Open the parent directory when revealing a non-existent file with :NERDTreeFind (bouk) [#1090](https://github.com/preservim/nerdtree/pull/1090)
+#### 6.6
+- **.1**: [add] How to install using dein.vim (kazukazuinaina) [#1087](https://github.com/preservim/nerdtree/pull/1087)
+- **.0**: Add the ability to turn off directory arrows (PhilRunninger) [#1085](https://github.com/preservim/nerdtree/pull/1085)
+#### 6.5
+- **.0**: `NERDTreeToggle <start-directory>` always sets NERDTree root. (PhilRunninger) [#1083](https://github.com/preservim/nerdtree/pull/1083)
 #### 6.4
 - **.6**: NERDTreeFind shows expected message if file doesn't exist e.g. with vim-startify (andys8). [#1081](https://github.com/preservim/nerdtree/pull/1081)
 - **.5**: Ensure events are (or aren't) being ignored correctly. (PhilRunninger) [#1080](https://github.com/preservim/nerdtree/pull/1080)
--- a/README.markdown
+++ b/README.markdown
@@ -1,145 +1,243 @@
-The NERDTree [![Vint](https://github.com/preservim/nerdtree/workflows/Vint/badge.svg)](https://github.com/preservim/nerdtree/actions?workflow=Vint)
-=============
+# The NERDTree [![Vint](https://github.com/preservim/nerdtree/workflows/Vint/badge.svg)](https://github.com/preservim/nerdtree/actions?workflow=Vint)

-Introduction
------------
+## Introduction

-The NERDTree is a file system explorer for the Vim editor. Using this plugin,
-users can visually browse complex directory hierarchies, quickly open files for
-reading or editing, and perform basic file system operations.
-
-This plugin can also be extended with custom mappings using a special API. The
-details of this API and of other NERDTree features are described in the
-included documentation.
+The NERDTree is a file system explorer for the Vim editor. Using this plugin, users can visually browse complex directory hierarchies, quickly open files for reading or editing, and perform basic file system operations.

 ![NERDTree Screenshot](https://github.com/preservim/nerdtree/raw/master/screenshot.png)

-Installation
------------
+## Installation

-Below are just some of the methods for installing NERDTree. Do not follow all of these instructions; just pick your favorite one. Other plugin managers exist, and NERDTree should install just fine with any of them.
+Use your favorite plugin manager to install this plugin. [tpope/vim-pathogen](https://github.com/tpope/vim-pathogen), [VundleVim/Vundle.vim](https://github.com/VundleVim/Vundle.vim), [junegunn/vim-plug](https://github.com/junegunn/vim-plug), and [Shougo/dein.vim](https://github.com/Shougo/dein.vim) are some of the more popular ones. A lengthy discussion of these and other managers can be found on [vi.stackexchange.com](https://vi.stackexchange.com/questions/388/what-is-the-difference-between-the-vim-plugin-managers). Basic instructions are provided below, but please **be sure to read, understand, and follow all the safety rules that come with your ~~power tools~~ plugin manager.**

-#### Vim 8+ packages
+If you have no favorite, or want to manage your plugins without 3rd-party dependencies, consider using Vim 8+ packages, as described in Greg Hurrell's excellent Youtube video: [Vim screencast #75: Plugin managers](https://www.youtube.com/watch?v=X2_R3uxDN6g).

-If you are using VIM version 8 or higher you can use its built-in package management; see `:help packages` for more information. Just run these commands in your terminal:
+<details>
+<summary>Pathogen</summary>
+Pathogen is more of a runtime path manager than a plugin manager. You must clone the plugins' repositories yourself to a specific location, and Pathogen makes sure they are available in Vim.
+
+
+1. In the terminal,
+    ```bash
+    git clone https://github.com/preservim/nerdtree.git ~/.vim/bundle/nerdtree
+    ```
+1. In your `vimrc`,
+    ```vim
+    call pathogen#infect()
+    syntax on
+    filetype plugin indent on
+    ```
+1. Restart Vim, and run `:helptags ~/.vim/bundle/nerdtree/doc/` or `:Helptags`.
+</details>
+
+<details>
+  <summary>Vundle</summary>
+
+1. Install Vundle, according to its instructions.
+1. Add the following text to your `vimrc`.
+    ```vim
+    call vundle#begin()
+      Plugin 'preservim/nerdtree'
+    call vundle#end()
+    ```
+1. Restart Vim, and run the `:PluginInstall` statement to install your plugins.
+</details>
+
+<details>
+  <summary>Vim-Plug</summary>
+
+1. Install Vim-Plug, according to its instructions.
+1. Add the following text to your `vimrc`.
+```vim
+call plug#begin()
+  Plug 'preservim/nerdtree'
+call plug#end()
+```
+1. Restart Vim, and run the `:PlugInstall` statement to install your plugins.
+</details>
+
+<details>
+  <summary>Dein</summary>
+
+1. Install Dein, according to its instructions.
+1. Add the following text to your `vimrc`.
+    ```vim
+    call dein#begin()
+      call dein#add('preservim/nerdtree')
+    call dein#end()
+    ```
+1. Restart Vim, and run the `:call dein#install()` statement to install your plugins.
+</details>
+
+<details>
+<summary>Vim 8+ packages</summary>
+
+If you are using Vim version 8 or higher you can use its built-in package management; see `:help packages` for more information. Just run these commands in your terminal:

 ```bash
 git clone https://github.com/preservim/nerdtree.git ~/.vim/pack/vendor/start/nerdtree
 vim -u NONE -c "helptags ~/.vim/pack/vendor/start/nerdtree/doc" -c q
 ```
+</details>

-Otherwise, these are some of the several 3rd-party plugin managers you can choose from. Be sure you read the instructions for your chosen plugin, as there typically are additional steps you nee d to take.
+## Getting Started
+After installing NERDTree, the best way to learn it is to turn on the Quick Help. Open NERDTree with the `:NERDTree` command, and press `?` to turn on the Quick Help, which will show you all the mappings and commands available in the NERDTree. Of course, your most complete source of information is the documentation: `:help NERDTree`.

-#### [pathogen.vim](https://github.com/tpope/vim-pathogen)
+## NERDTree Plugins
+NERDTree can be extended with custom mappings and functions using its built-in API. The details of this API are described in the included documentation. Several plugins have been written, and are available on Github for installation like any other plugin. The plugins in this list are maintained (or not) by their respective owners, and certain combinations may be incompatible.

-In the terminal,
-```bash
-git clone https://github.com/preservim/nerdtree.git ~/.vim/bundle/nerdtree
-```
-In your vimrc,
+* [Xuyuanp/nerdtree-git-plugin](https://github.com/Xuyuanp/nerdtree-git-plugin): Shows Git status flags for files and folders in NERDTree.
+* [ryanoasis/vim-devicons](https://github.com/ryanoasis/vim-devicons): Adds filetype-specific icons to NERDTree files and folders,
+* [tiagofumo/vim-nerdtree-syntax-highlight](https://github.com/tiagofumo/vim-nerdtree-syntax-highlight): Adds syntax highlighting to NERDTree based on filetype.
+* [scrooloose/nerdtree-project-plugin](https://github.com/scrooloose/nerdtree-project-plugin): Saves and restores the state of the NERDTree between sessions.
+* [PhilRunninger/nerdtree-buffer-ops](https://github.com/PhilRunninger/nerdtree-buffer-ops): 1) Highlights open files in a different color. 2) Closes a buffer directly from NERDTree.
+* [PhilRunninger/nerdtree-visual-selection](https://github.com/PhilRunninger/nerdtree-visual-selection): Enables NERDTree to open, delete, move, or copy multiple Visually-selected files at once.
+
+If any others should be listed, mention them in an issue or pull request.
+
+
+## Frequently Asked Questions
+
+In the answers to these questions, you will see code blocks that you can put in your `vimrc` file.
+
+### How can I map a specific key or shortcut to open NERDTree?
+
+NERDTree doesn't create any shortcuts outside of the NERDTree window, so as not to overwrite any of your other shortcuts. Use the `nnoremap` command in your `vimrc`. You, of course, have many keys and NERDTree commands to choose from. Here are but a few examples.
 ```vim
-call pathogen#infect()
-syntax on
-filetype plugin indent on
+nnoremap <leader>n :NERDTreeFocus<CR>
+nnoremap <C-n> :NERDTree<CR>
+nnoremap <C-t> :NERDTreeToggle<CR>
+nnoremap <C-f> :NERDTreeFind<CR>
 ```

-Then reload vim, run `:helptags ~/.vim/bundle/nerdtree/doc/` or `:Helptags`.
+### How do I open NERDTree automatically when Vim starts?
+Each code block below is slightly different, as described in the `" Comment lines`.

-#### [Vundle.vim](https://github.com/VundleVim/Vundle.vim)
 ```vim
-call vundle#begin()
-Plugin 'preservim/nerdtree'
-call vundle#end()
+" Start NERDTree and leave the cursor in it.
+autocmd VimEnter * NERDTree
 ```
-
-#### [vim-plug](https://github.com/junegunn/vim-plug)
-```vim
-call plug#begin()
-Plug 'preservim/nerdtree'
-call plug#end()
-```
-
-#### [apt-vim](https://github.com/egalpin/apt-vim)
-```bash
-apt-vim install -y https://github.com/preservim/nerdtree.git
-```
-
-F.A.Q. (here, and in the [Wiki](https://github.com/preservim/nerdtree/wiki))
------
-
-#### Is there any support for `git` flags?
-
-Yes, install [nerdtree-git-plugin](https://github.com/Xuyuanp/nerdtree-git-plugin).
-
 ---
-#### Can I have the nerdtree on every tab automatically?
-
-Nope. If this is something you want then chances are you aren't using tabs and
-buffers as they were intended to be used. Read this
-http://stackoverflow.com/questions/102384/using-vims-tabs-like-buffers
-
-If you are interested in this behaviour then consider [vim-nerdtree-tabs](https://github.com/jistr/vim-nerdtree-tabs)
-
---
-#### How can I open a NERDTree automatically when vim starts up?
-
-Stick this in your vimrc: `autocmd vimenter * NERDTree`
-
---
-#### How can I open a NERDTree automatically when vim starts up if no files were specified?
-
-Stick this in your vimrc:
 ```vim
+" Start NERDTree and put the cursor back in the other window.
+autocmd VimEnter * NERDTree | wincmd p
+```
+---
+```vim
+" Start NERDTree when Vim is started without file arguments.
 autocmd StdinReadPre * let s:std_in=1
-autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
+autocmd VimEnter * if argc() == 0 && !exists('s:std_in') | NERDTree | endif
 ```
-
-Note: Now start vim with plain `vim`, not `vim .`
-
 ---
-#### What if I'm also opening a saved session, for example `vim -S session_file.vim`? I don't want NERDTree to open in that scenario.
 ```vim
+" Start NERDTree. If a file is specified, move the cursor to its window.
 autocmd StdinReadPre * let s:std_in=1
-autocmd VimEnter * if argc() == 0 && !exists("s:std_in") && v:this_session == "" | NERDTree | endif
+autocmd VimEnter * NERDTree | if argc() > 0 || exists("s:std_in") | wincmd p | endif
 ```
-
 ---
-#### How can I open NERDTree automatically when vim starts up on opening a directory?
 ```vim
+" Start NERDTree, unless a file or session is specified, eg. vim -S session_file.vim.
 autocmd StdinReadPre * let s:std_in=1
-autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists("s:std_in") | exe 'NERDTree' argv()[0] | wincmd p | ene | exe 'cd '.argv()[0] | endif
+autocmd VimEnter * if argc() == 0 && !exists('s:std_in') && v:this_session == '' | NERDTree | endif
 ```
-
-This window is tab-specific, meaning it's used by all windows in the tab. This trick also prevents NERDTree from hiding when first selecting a file.
-
-Note: Executing `vim ~/some-directory` will open NERDTree and a new edit window. `exe 'cd '.argv()[0]` sets the `pwd` of the new edit window to `~/some-directory`
-
 ---
-#### How can I map a specific key or shortcut to open NERDTree?
-
-Stick this in your vimrc to open NERDTree with `Ctrl+n` (you can set whatever key you want):
 ```vim
-map <C-n> :NERDTreeToggle<CR>
+" Start NERDTree when Vim starts with a directory argument.
+autocmd StdinReadPre * let s:std_in=1
+autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists('s:std_in') |
+    \ execute 'NERDTree' argv()[0] | wincmd p | enew | execute 'cd '.argv()[0] | endif
 ```

---
-#### How can I close vim if the only window left open is a NERDTree?
+### How can I close Vim or a tab automatically when NERDTree is the last window?

-Stick this in your vimrc:
 ```vim
-autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
+" Exit Vim if NERDTree is the only window remaining in the only tab.
+autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
 ```
-
 ---
-#### Can I have different highlighting for different file extensions?
-
-See here: https://github.com/preservim/nerdtree/issues/433#issuecomment-92590696
-
---
-#### How can I change default arrows?
-
-Use these variables in your vimrc. Note that below are default arrow symbols
 ```vim
-let g:NERDTreeDirArrowExpandable = '▸'
-let g:NERDTreeDirArrowCollapsible = '▾'
+" Close the tab if NERDTree is the only window remaining in it.
+autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif
+```
+
+### How can I prevent other buffers replacing NERDTree in its window?
+
+```vim
+" If another buffer tries to replace NERDTree, put it in the other window, and bring back NERDTree.
+autocmd BufEnter * if winnr() == winnr('h') && bufname('#') =~ 'NERD_tree_\d\+' && bufname('%') !~ 'NERD_tree_\d\+' && winnr('$') > 1 |
+    \ let buf=bufnr() | buffer# | execute "normal! \<C-W>w" | execute 'buffer'.buf | endif
+```
+
+### Can I have the same NERDTree on every tab automatically?
+
+```vim
+" Open the existing NERDTree on each new tab.
+autocmd BufWinEnter * if &buftype != 'quickfix' && getcmdwintype() == '' | silent NERDTreeMirror | endif
+```
+or change your NERDTree-launching shortcut key like so:
+```vim
+" Mirror the NERDTree before showing it. This makes it the same on all tabs.
+nnoremap <C-n> :NERDTreeMirror<CR>:NERDTreeFocus<CR>
+```
+
+### How can I change the default arrows?
+
+```vim
+let g:NERDTreeDirArrowExpandable = '?'
+let g:NERDTreeDirArrowCollapsible = '?'
+```
+The preceding values are the non-Windows default arrow symbols. Setting these variables to empty strings will remove the arrows completely and shift the entire tree two character positions to the left. See `:h NERDTreeDirArrowExpandable` for more details.
+
+### How can I show lines of files?
+
+```vim
+let g:NERDTreeFileLines = 1
+```
+
+Lines in the file are displayed as shown below.
+```
+</pack/packer/start/nerdtree/
+▸ autoload/
+▸ doc/
+▸ lib/
+▸ nerdtree_plugin/
+▸ plugin/
+▸ syntax/
+  _config.yml (1)
+  CHANGELOG.md (307)
+  LICENCE (13)
+  README.markdown (234)
+  screenshot.png (219)
+```
+
+### Can NERDTree access remote files via scp or ftp?
+
+Short answer: No, and there are no plans to add that functionality. However, Vim ships with a plugin that does just that. It's called netrw, and by adding the following lines to your `.vimrc`, you can use it to open files over the `scp:`, `ftp:`, or other protocols, while still using NERDTree for all local files. The function seamlessly makes the decision to open NERDTree or netrw, and other supported protocols can be added to the regular expression.
+
+```vim
+" Function to open the file or NERDTree or netrw.
+"   Returns: 1 if either file explorer was opened; otherwise, 0.
+function! s:OpenFileOrExplorer(...)
+    if a:0 == 0 || a:1 == ''
+        NERDTree
+    elseif filereadable(a:1)
+        execute 'edit '.a:1
+        return 0
+    elseif a:1 =~? '^\(scp\|ftp\)://' " Add other protocols as needed.
+        execute 'Vexplore '.a:1
+    elseif isdirectory(a:1)
+        execute 'NERDTree '.a:1
+    endif
+    return 1
+endfunction
+
+" Auto commands to handle OS commandline arguments
+autocmd StdinReadPre * let s:std_in=1
+autocmd VimEnter * if argc()==1 && !exists('s:std_in') | if <SID>OpenFileOrExplorer(argv()[0]) | wincmd p | enew | wincmd p | endif | endif
+
+" Command to call the OpenFileOrExplorer function.
+command! -n=? -complete=file -bar Edit :call <SID>OpenFileOrExplorer('<args>')
+
+" Command-mode abbreviation to replace the :edit Vim command.
+cnoreabbrev e Edit
 ```
--- a/autoload/nerdtree.vim
+++ b/autoload/nerdtree.vim
@@ -30,9 +30,21 @@ endfunction
 " SECTION: General Functions {{{1
 "============================================================

-"FUNCTION: nerdtree#slash() {{{2
-function! nerdtree#slash() abort
+" FUNCTION: nerdtree#closeTreeOnOpen() {{{2
+function! nerdtree#closeTreeOnOpen() abort
+    return g:NERDTreeQuitOnOpen == 1 || g:NERDTreeQuitOnOpen == 3
+endfunction

+" FUNCTION: nerdtree#closeBookmarksOnOpen() {{{2
+function! nerdtree#closeBookmarksOnOpen() abort
+    return g:NERDTreeQuitOnOpen == 2 || g:NERDTreeQuitOnOpen == 3
+endfunction
+
+" FUNCTION: nerdtree#slash() {{{2
+" Return the path separator used by the underlying file system.  Special
+" consideration is taken for the use of the 'shellslash' option on Windows
+" systems.
+function! nerdtree#slash() abort
    if nerdtree#runningWindows()
        if exists('+shellslash') && &shellslash
            return '/'
@@ -44,28 +56,6 @@ function! nerdtree#slash() abort
    return '/'
 endfunction

-"FUNCTION: nerdtree#and(x,y) {{{2
-" Implements and() function for Vim <= 7.2
-function! nerdtree#and(x,y) abort
-    if exists('*and')
-        return and(a:x, a:y)
-    else
-        let l:x = a:x
-        let l:y = a:y
-        let l:n = 0
-        let l:result = 0
-        while l:x > 0 && l:y > 0
-            if (l:x % 2) && (l:y % 2)
-                let l:result += float2nr(pow(2, l:n))
-            endif
-            let l:x = float2nr(l:x / 2)
-            let l:y = float2nr(l:y / 2)
-            let l:n += 1
-        endwhile
-        return l:result
-    endif
-endfunction
-
 "FUNCTION: nerdtree#checkForBrowse(dir) {{{2
 "inits a window tree in the current buffer if appropriate
 function! nerdtree#checkForBrowse(dir) abort
@@ -108,32 +98,32 @@ function! nerdtree#completeBookmarks(A,L,P) abort
    return filter(g:NERDTreeBookmark.BookmarkNames(), 'v:val =~# "^' . a:A . '"')
 endfunction

-"FUNCTION: nerdtree#compareNodes(dir) {{{2
+"FUNCTION: nerdtree#compareNodes(n1, n2) {{{2
 function! nerdtree#compareNodes(n1, n2) abort
-    return a:n1.path.compareTo(a:n2.path)
+    return nerdtree#compareNodePaths(a:n1.path, a:n2.path)
 endfunction

-"FUNCTION: nerdtree#compareNodesBySortKey(n1, n2) {{{2
-function! nerdtree#compareNodesBySortKey(n1, n2) abort
-    let sortKey1 = a:n1.path.getSortKey()
-    let sortKey2 = a:n2.path.getSortKey()
+"FUNCTION: nerdtree#compareNodePaths(p1, p2) {{{2
+function! nerdtree#compareNodePaths(p1, p2) abort
+    let sortKey1 = a:p1.getSortKey()
+    let sortKey2 = a:p2.getSortKey()
    let i = 0
    while i < min([len(sortKey1), len(sortKey2)])
        " Compare chunks upto common length.
        " If chunks have different type, the one which has
        " integer type is the lesser.
-        if type(sortKey1[i]) ==# type(sortKey2[i])
+        if type(sortKey1[i]) == type(sortKey2[i])
            if sortKey1[i] <# sortKey2[i]
                return - 1
            elseif sortKey1[i] ># sortKey2[i]
                return 1
            endif
-        elseif type(sortKey1[i]) ==# v:t_number
+        elseif type(sortKey1[i]) == type(0)
            return -1
-        elseif type(sortKey2[i]) ==# v:t_number
+        elseif type(sortKey2[i]) == type(0)
            return 1
        endif
-        let i = i + 1
+        let i += 1
    endwhile

    " Keys are identical upto common length.
@@ -208,16 +198,42 @@ function! nerdtree#postSourceActions() abort
    runtime! nerdtree_plugin/**/*.vim
 endfunction

-"FUNCTION: nerdtree#runningWindows(dir) {{{2
+"FUNCTION: nerdtree#runningWindows() {{{2
 function! nerdtree#runningWindows() abort
    return has('win16') || has('win32') || has('win64')
 endfunction

-"FUNCTION: nerdtree#runningCygwin(dir) {{{2
+"FUNCTION: nerdtree#runningCygwin() {{{2
 function! nerdtree#runningCygwin() abort
    return has('win32unix')
 endfunction

+"FUNCTION: nerdtree#runningMac() {{{2
+function! nerdtree#runningMac() abort
+    return has('gui_mac') || has('gui_macvim') || has('mac') || has('osx')
+endfunction
+
+" FUNCTION: nerdtree#osDefaultCaseSensitiveFS() {{{2
+function! nerdtree#osDefaultCaseSensitiveFS() abort
+    return s:osDefaultCaseSensitiveFS
+endfunction
+
+" FUNCTION: nerdtree#caseSensitiveFS() {{{2
+function! nerdtree#caseSensitiveFS() abort
+    return g:NERDTreeCaseSensitiveFS == 1 ||
+                \((g:NERDTreeCaseSensitiveFS == 2 || g:NERDTreeCaseSensitiveFS == 3) &&
+                \nerdtree#osDefaultCaseSensitiveFS())
+endfunction
+
+"FUNCTION: nerdtree#pathEquals(lhs, rhs) {{{2
+function! nerdtree#pathEquals(lhs, rhs) abort
+    if nerdtree#caseSensitiveFS()
+        return a:lhs ==# a:rhs
+    else
+        return a:lhs ==? a:rhs
+    endif
+endfunction
+
 " SECTION: View Functions {{{1
 "============================================================

@@ -256,4 +272,12 @@ function! nerdtree#renderView() abort
    call b:NERDTree.render()
 endfunction

+if nerdtree#runningWindows()
+    let s:osDefaultCaseSensitiveFS = 0
+elseif nerdtree#runningMac()
+    let s:osDefaultCaseSensitiveFS = 0
+else
+    let s:osDefaultCaseSensitiveFS = 1
+endif
+
 " vim: set sw=4 sts=4 et fdm=marker:
--- a/autoload/nerdtree/ui_glue.vim
+++ b/autoload/nerdtree/ui_glue.vim
@@ -25,12 +25,16 @@ function! nerdtree#ui_glue#createDefaultBindings() abort
    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreview, 'scope': 'Bookmark', 'callback': s.'previewBookmark' })
    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapActivateNode, 'scope': 'all', 'callback': s.'activateAll' })

-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenSplit, 'scope': 'Node', 'callback': s.'openHSplit' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenVSplit, 'scope': 'Node', 'callback': s.'openVSplit' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenSplit, 'scope': 'FileNode', 'callback': s.'openHSplit' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenSplit, 'scope': 'Bookmark', 'callback': s.'openHSplitBookmark' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenVSplit, 'scope': 'FileNode', 'callback': s.'openVSplit' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenVSplit, 'scope': 'Bookmark', 'callback': s.'openVSplitBookmark' })

-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreview, 'scope': 'Node', 'callback': s.'previewNodeCurrent' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewVSplit, 'scope': 'Node', 'callback': s.'previewNodeVSplit' })
-    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewSplit, 'scope': 'Node', 'callback': s.'previewNodeHSplit' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreview, 'scope': 'FileNode', 'callback': s.'previewNodeCurrent' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewSplit, 'scope': 'FileNode', 'callback': s.'previewNodeHSplit' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewSplit, 'scope': 'Bookmark', 'callback': s.'previewNodeHSplitBookmark' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewVSplit, 'scope': 'FileNode', 'callback': s.'previewNodeVSplit' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapPreviewVSplit, 'scope': 'Bookmark', 'callback': s.'previewNodeVSplitBookmark' })

    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapOpenRecursively, 'scope': 'DirNode', 'callback': s.'openNodeRecursively' })

@@ -53,6 +57,7 @@ function! nerdtree#ui_glue#createDefaultBindings() abort
    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleFilters, 'scope': 'all', 'callback': s.'toggleIgnoreFilter' })
    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleFiles, 'scope': 'all', 'callback': s.'toggleShowFiles' })
    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleBookmarks, 'scope': 'all', 'callback': s.'toggleShowBookmarks' })
+    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapToggleFileLines, 'scope': 'all', 'callback': s.'toggleShowFileLines' })

    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCloseDir, 'scope': 'Node', 'callback': s.'closeCurrentDir' })
    call NERDTreeAddKeyMap({ 'key': g:NERDTreeMapCloseChildren, 'scope': 'DirNode', 'callback': s.'closeChildren' })
@@ -104,10 +109,17 @@ function! s:customOpenBookmark(node) abort
 endfunction

 "FUNCTION: s:initCustomOpenArgs() {{{1
-" Make sure NERDTreeCustomOpenArgs has needed keys
 function! s:initCustomOpenArgs() abort
-    let g:NERDTreeCustomOpenArgs = get(g:, 'NERDTreeCustomOpenArgs', {})
-    return extend(g:NERDTreeCustomOpenArgs, {'file':{'reuse': 'all', 'where': 'p'}, 'dir':{}}, 'keep')
+    let l:defaultOpenArgs = {'file': {'reuse': 'all', 'where': 'p', 'keepopen':!nerdtree#closeTreeOnOpen()}, 'dir': {}}
+    try
+        let g:NERDTreeCustomOpenArgs = get(g:, 'NERDTreeCustomOpenArgs', {})
+        call  extend(g:NERDTreeCustomOpenArgs, l:defaultOpenArgs, 'keep')
+    catch /^Vim(\a\+):E712:/
+        call nerdtree#echoWarning('g:NERDTreeCustomOpenArgs is not set properly. Using default value.')
+        let g:NERDTreeCustomOpenArgs = l:defaultOpenArgs
+    finally
+        return g:NERDTreeCustomOpenArgs
+    endtry
 endfunction

 "FUNCTION: s:activateAll() {{{1
@@ -133,13 +145,13 @@ endfunction
 "FUNCTION: s:activateFileNode() {{{1
 "handle the user activating a tree node
 function! s:activateFileNode(node) abort
-    call a:node.activate({'reuse': 'all', 'where': 'p'})
+    call a:node.activate({'reuse': 'all', 'where': 'p', 'keepopen': !nerdtree#closeTreeOnOpen()})
 endfunction

 "FUNCTION: s:activateBookmark(bookmark) {{{1
 "handle the user activating a bookmark
 function! s:activateBookmark(bm) abort
-    call a:bm.activate(b:NERDTree, !a:bm.path.isDirectory ? {'where': 'p'} : {})
+    call a:bm.activate(b:NERDTree, !a:bm.path.isDirectory ? {'where': 'p', 'keepopen': !nerdtree#closeTreeOnOpen()} : {})
 endfunction

 " FUNCTION: nerdtree#ui_glue#bookmarkNode(name) {{{1
@@ -284,6 +296,7 @@ endfunction
 " FUNCTION: s:findAndRevealPath(pathStr) {{{1
 function! s:findAndRevealPath(pathStr) abort
    let l:pathStr = !empty(a:pathStr) ? a:pathStr : expand('%:p')
+    let l:revealOpts = {}

    if empty(l:pathStr)
        call nerdtree#echoWarning('no file for the current buffer')
@@ -292,6 +305,7 @@ function! s:findAndRevealPath(pathStr) abort

    if !filereadable(l:pathStr)
        let l:pathStr = fnamemodify(l:pathStr, ':h')
+        let l:revealOpts['open'] = 1
    endif

    try
@@ -327,7 +341,7 @@ function! s:findAndRevealPath(pathStr) abort
        call b:NERDTree.ui.setShowHidden(1)
    endif

-    let l:node = b:NERDTree.root.reveal(l:pathObj)
+    let l:node = b:NERDTree.root.reveal(l:pathObj, l:revealOpts)
    call b:NERDTree.render()
    call l:node.putCursorHere(1, 0)
 endfunction
@@ -360,7 +374,7 @@ function! s:handleLeftClick() abort
                if currentNode.path.isDirectory
                    call currentNode.activate()
                else
-                    call currentNode.activate({'reuse': 'all', 'where': 'p'})
+                    call currentNode.activate({'reuse': 'all', 'where': 'p', 'keepopen':!nerdtree#closeTreeOnOpen()})
                endif
                return
            endif
@@ -494,19 +508,42 @@ function! nerdtree#ui_glue#openBookmark(name) abort
    endtry
    if l:bookmark.path.isDirectory
        call l:bookmark.open(b:NERDTree)
-    else
-        call l:bookmark.open(b:NERDTree, {'where': 'p'})
+        return
    endif
+
+    call l:bookmark.open(b:NERDTree, s:initCustomOpenArgs().file)
 endfunction

 " FUNCTION: s:openHSplit(target) {{{1
 function! s:openHSplit(target) abort
-    call a:target.activate({'where': 'h'})
+    call a:target.activate({'where': 'h', 'keepopen': !nerdtree#closeTreeOnOpen()})
 endfunction

 " FUNCTION: s:openVSplit(target) {{{1
 function! s:openVSplit(target) abort
-    call a:target.activate({'where': 'v'})
+    call a:target.activate({'where': 'v', 'keepopen': !nerdtree#closeTreeOnOpen()})
+endfunction
+
+"FUNCTION: s:openHSplitBookmark(bookmark) {{{1
+"handle the user activating a bookmark
+function! s:openHSplitBookmark(bm) abort
+    call a:bm.activate(b:NERDTree, !a:bm.path.isDirectory ? {'where': 'h', 'keepopen': !nerdtree#closeTreeOnOpen()} : {})
+endfunction
+
+"FUNCTION: s:openVSplitBookmark(bookmark) {{{1
+"handle the user activating a bookmark
+function! s:openVSplitBookmark(bm) abort
+    call a:bm.activate(b:NERDTree, !a:bm.path.isDirectory ? {'where': 'v', 'keepopen': !nerdtree#closeTreeOnOpen()} : {})
+endfunction
+
+" FUNCTION: s:previewHSplitBookmark(bookmark) {{{1
+function! s:previewNodeHSplitBookmark(bookmark) abort
+    call a:bookmark.activate(b:NERDTree, !a:bookmark.path.isDirectory ? {'stay': 1, 'where': 'h', 'keepopen': 1} : {})
+endfunction
+
+" FUNCTION: s:previewVSplitBookmark(bookmark) {{{1
+function! s:previewNodeVSplitBookmark(bookmark) abort
+    call a:bookmark.activate(b:NERDTree, !a:bookmark.path.isDirectory ? {'stay': 1, 'where': 'v', 'keepopen': 1} : {})
 endfunction

 " FUNCTION: s:openExplorer(node) {{{1
@@ -516,13 +553,13 @@ endfunction

 " FUNCTION: s:openInNewTab(target) {{{1
 function! s:openInNewTab(target) abort
-    let l:opener = g:NERDTreeOpener.New(a:target.path, {'where': 't'})
+    let l:opener = g:NERDTreeOpener.New(a:target.path, {'where': 't', 'keepopen': !nerdtree#closeTreeOnOpen()})
    call l:opener.open(a:target)
 endfunction

 " FUNCTION: s:openInNewTabSilent(target) {{{1
 function! s:openInNewTabSilent(target) abort
-    let l:opener = g:NERDTreeOpener.New(a:target.path, {'where': 't', 'stay': 1})
+    let l:opener = g:NERDTreeOpener.New(a:target.path, {'where': 't', 'keepopen': !nerdtree#closeTreeOnOpen(), 'stay': 1})
    call l:opener.open(a:target)
 endfunction

@@ -565,7 +602,7 @@ function! nerdtree#ui_glue#revealBookmark(name) abort
        let targetNode = g:NERDTreeBookmark.GetNodeForName(a:name, 0, b:NERDTree)
        call targetNode.putCursorHere(0, 1)
    catch /^NERDTree.BookmarkNotFoundError/
-        call nerdtree#echo('Bookmark isnt cached under the current root')
+        call nerdtree#echo('Bookmark isn''t cached under the current root')
    endtry
 endfunction

@@ -649,6 +686,12 @@ function! s:toggleShowHidden() abort
    call b:NERDTree.ui.toggleShowHidden()
 endfunction

+" FUNCTION: s:toggleShowFileLines() {{{1
+" toggles the display of hidden files
+function! s:toggleShowFileLines() abort
+    call b:NERDTree.ui.toggleShowFileLines()
+endfunction
+
 " FUNCTION: s:toggleZoom() {{{1
 function! s:toggleZoom() abort
    call b:NERDTree.ui.toggleZoom()
--- a/doc/NERDTree.txt
+++ b/doc/NERDTree.txt
@@ -116,16 +116,17 @@ The following features and functionality are provided by the NERDTree:
        :NERDTreeVCS              (opens root of repository containing CWD)
 <
 :NERDTreeFromBookmark <bookmark>                         *:NERDTreeFromBookmark*
-    Opens a fresh NERDTree with the root initialized to the dir for
+    Opens a fresh NERDTree with the root initialized to the directory for
    <bookmark>.  The only reason to use this command over :NERDTree is for
    the completion (which is for bookmarks rather than directories).

 :NERDTreeToggle [<start-directory> | <bookmark>]               *:NERDTreeToggle*
    If a NERDTree already exists for this tab, it is reopened and rendered
-    again.  If no NERDTree exists for this tab then this command acts the
-    same as the |:NERDTree| command.
+    again. If <start-directory> or <bookmark> is given, the root of NERDTree
+    is set to that path. If no NERDTree exists for this tab then this command
+    acts the same as the |:NERDTree| command.

-:NERDTreeToggleVCS [<start-directory> | <bookmark>]            *:NERDTreeToggleVCS*
+:NERDTreeToggleVCS [<start-directory> | <bookmark>]         *:NERDTreeToggleVCS*
    Like |:NERDTreeToggle|, but searches up the directory tree to find the top of
    the version control system repository, and roots the NERDTree there. It
    works with Git, Subversion, Mercurial, Bazaar, and Darcs repositories. A
@@ -248,7 +249,7 @@ Key      Description                                                  help-tag~

 o........Open files, directories and bookmarks......................|NERDTree-o|
 go.......Open selected file, but leave cursor in the NERDTree......|NERDTree-go|
-         Open selected bookmark dir in current NERDTree
+         Find selected bookmark directory in current NERDTree
 t........Open selected node/bookmark in a new tab...................|NERDTree-t|
 T........Same as 't' but keep the focus on the current tab..........|NERDTree-T|
 i........Open selected file in a split window.......................|NERDTree-i|
@@ -259,10 +260,10 @@ gs.......Same as s, but leave the cursor on the NERDTree...........|NERDTree-gs|
 O........Recursively open the selected directory....................|NERDTree-O|
 x........Close the current nodes parent.............................|NERDTree-x|
 X........Recursively close all children of the current node.........|NERDTree-X|
-e........Edit the current dir.......................................|NERDTree-e|
+e........Edit the current directory.................................|NERDTree-e|

 double-click....same as |NERDTree-o|.
-middle-click....same as |NERDTree-i| for files, and |NERDTree-e| for dirs.
+middle-click....same as |NERDTree-i| for files, and |NERDTree-e| for directories.

 D........Delete the current bookmark ...............................|NERDTree-D|

@@ -273,19 +274,20 @@ J........Jump down inside directories at the current tree depth.....|NERDTree-J|
 <C-J>....Jump down to next sibling of the current directory.......|NERDTree-C-J|
 <C-K>....Jump up to previous sibling of the current directory.....|NERDTree-C-K|

-C........Change the tree root to the selected dir...................|NERDTree-C|
+C........Change the tree root to the selected directory.............|NERDTree-C|
 u........Move the tree root up one directory........................|NERDTree-u|
 U........Same as 'u' except the old root node is left open..........|NERDTree-U|
 r........Recursively refresh the current directory..................|NERDTree-r|
 R........Recursively refresh the current root.......................|NERDTree-R|
 m........Display the NERDTree menu..................................|NERDTree-m|
-cd.......Change the CWD to the dir of the selected node............|NERDTree-cd|
+cd.......Change the CWD to the directory of the selected node......|NERDTree-cd|
 CD.......Change tree root to the CWD...............................|NERDTree-CD|

 I........Toggle whether hidden files displayed......................|NERDTree-I|
 f........Toggle whether the file filters are used...................|NERDTree-f|
 F........Toggle whether files are displayed.........................|NERDTree-F|
 B........Toggle whether the bookmark table is displayed.............|NERDTree-B|
+L........Toggle whether the bookmark table is displayed.............|NERDTree-L|

 q........Close the NERDTree window..................................|NERDTree-q|
 A........Zoom (maximize/minimize) the NERDTree window...............|NERDTree-A|
@@ -317,9 +319,8 @@ Applies to: files.
 If a file node or a bookmark that links to a file is selected, it is opened in
 the previous window, but the cursor does not move.

-If a bookmark that links to a directory is selected, that directory is found
-in the current NERDTree. If the directory couldn't be found, a new NERDTree is
-created.
+If a bookmark that links to a directory is selected then that directory
+becomes the new root.

 The default key combo for this mapping is "g" + NERDTreeMapActivateNode (see
 |NERDTree-o|).
@@ -349,7 +350,7 @@ The same as |NERDTree-t| except that the focus is kept in the current tab.
                                                                    *NERDTree-i*
 Default key: i
 Map setting: *NERDTreeMapOpenSplit*
-Applies to: files.
+Applies to: files, and bookmarks pointing to files.

 Opens the selected file in a new split window and puts the cursor in the new
 window.
@@ -358,7 +359,7 @@ window.
                                                                   *NERDTree-gi*
 Default key: gi
 Map setting: *NERDTreeMapPreviewSplit*
-Applies to: files.
+Applies to: files, and bookmarks pointing to files.

 The same as |NERDTree-i| except that the cursor is not moved.

@@ -369,7 +370,7 @@ The default key combo for this mapping is "g" + NERDTreeMapOpenSplit (see
                                                                    *NERDTree-s*
 Default key: s
 Map setting: *NERDTreeMapOpenVSplit*
-Applies to: files.
+Applies to: files, and bookmarks pointing to files.

 Opens the selected file in a new vertically split window and puts the cursor
 in the new window.
@@ -378,7 +379,7 @@ in the new window.
                                                                   *NERDTree-gs*
 Default key: gs
 Map setting: *NERDTreeMapPreviewVSplit*
-Applies to: files.
+Applies to: files, and bookmarks pointing to files.

 The same as |NERDTree-s| except that the cursor is not moved.

@@ -469,7 +470,7 @@ Jump to the first child of the current nodes parent.

 If the cursor is already on the first node then do the following:
    * loop back thru the siblings of the current nodes parent until we find an
-      open dir with children
+      open directory with children
    * go to the first child of that node

 ------------------------------------------------------------------------------
@@ -482,7 +483,7 @@ Jump to the last child of the current nodes parent.

 If the cursor is already on the last node then do the following:
    * loop forward thru the siblings of the current nodes parent until we find
-      an open dir with children
+      an open directory with children
    * go to the last child of that node

 ------------------------------------------------------------------------------
@@ -516,7 +517,7 @@ Default key: u
 Map setting: *NERDTreeMapUpdir*
 Applies to: no restrictions.

-Move the tree root up a dir (like doing a "cd ..").
+Move the tree root up a directory (like doing a "cd ..").

 ------------------------------------------------------------------------------
                                                                    *NERDTree-U*
@@ -532,8 +533,8 @@ Default key: r
 Map setting: *NERDTreeMapRefresh*
 Applies to: files and directories.

-If a dir is selected, recursively refresh that dir, i.e. scan the filesystem
-for changes and represent them in the tree.
+If a directory is selected, recursively refresh that directory, i.e. scan the
+filesystem for changes and represent them in the tree.

 If a file node is selected then the above is done on it's parent.

@@ -601,6 +602,14 @@ Applies to: no restrictions.

 Toggles whether the bookmarks table is displayed.

+------------------------------------------------------------------------------
+                                                                    *NERDTree-L*
+Default key: L
+Map setting: *NERDTreeMapToggleFileLiness*
+Applies to: no restrictions.
+
+Toggles whether the number of lines in files is displayed.
+
 ------------------------------------------------------------------------------
                                                                    *NERDTree-q*
 Default key: q
@@ -634,8 +643,8 @@ file explorers have.

 The script comes with two default menu plugins: exec_menuitem.vim and
 fs_menu.vim. fs_menu.vim adds some basic filesystem operations to the menu for
-creating/deleting/moving/copying files and dirs. exec_menuitem.vim provides a
-menu item to execute executable files.
+creating/deleting/moving/copying files and directories. exec_menuitem.vim
+provides a menu item to execute executable files.

 Related tags: |NERDTree-m| |NERDTreeApi|

@@ -673,6 +682,9 @@ the NERDTree. These settings should be set in your vimrc, using `:let`.

 |NERDTreeAutoCenterThreshold| Controls the sensitivity of autocentering.

+|NERDTreeCaseSensitiveFS|     Tells the NERDTree whether or not it is
+                            running in on a case sensitive file system.
+
 |NERDTreeCaseSensitiveSort|   Tells the NERDTree whether to be case
                            sensitive or not when sorting nodes.

@@ -808,6 +820,26 @@ Default: 3
 This setting controls the "sensitivity" of the NERDTree auto centering. See
 |NERDTreeAutoCenter| for details.

+------------------------------------------------------------------------------
+                                                     *NERDTreeCaseSensitiveFS*
+Values: 0, 1, 2 or 3.
+Default: 2.
+
+If set to 0, the NERDTree will interact with the file system without case
+sensitivity.
+
+If set to 1, the NERDTree will interact with the file system in a case-sensitive
+manner.
+
+If set to 2, the NERDTree assumes its case sensitivity from the OS it is
+running on. It Will default to case-insensitive on Windows and macOS
+machines and case-sensitive on everything else. Since it's not a foolproof
+way of detection, NERDTree won't proceed with any write actions when
+the destination is ambiguous.
+
+Setting it to 3 will perform just like 2, but without suppressing write
+actions.
+
 ------------------------------------------------------------------------------
                                                     *NERDTreeCaseSensitiveSort*
 Values: 0 or 1.
@@ -921,7 +953,7 @@ Default: ['\~$'].

 This setting is used to specify which files the NERDTree should ignore.  It
 must be a list of regular expressions. When the NERDTree is rendered, any
-files/dirs that match any of the regex's in NERDTreeIgnore won't be
+files/directories that match any of the regex's in NERDTreeIgnore won't be
 displayed.

 For example if you put the following line in your vimrc: >
@@ -929,13 +961,18 @@ For example if you put the following line in your vimrc: >
 <
 then all files ending in .vim or ~ will be ignored.

-There are 2 magic flags that can be appended to the end of each regular
-expression to specify that the regex should match only files or only dirs.
-These flags are "[[dir]]" and "[[file]]". Example: >
-    let NERDTreeIgnore=['\.d$[[dir]]', '\.o$[[file]]']
+There are 3 magic flags that can be appended to the end of each regular
+expression to specify that the regex should match only filenames, only lowest
+level directories, or a full path. These flags are "[[dir]]", "[[file]]", and
+"[[path]]". Example: >
+    let NERDTreeIgnore=['\.d$[[dir]]', '\.o$[[file]]', 'tmp/cache$[[path]]']
 <
-This will cause all dirs ending in ".d" to be ignored and all files ending in
-".o" to be ignored.
+This will cause all directories ending in ".d" to be ignored, all files ending
+in ".o" to be ignored, and the "cache" subdirectory of any "tmp" directory to
+be ignored. All other "cache" directories will be displayed.
+
+When using the "[[path]]" tag on Windows, make sure you use escaped
+backslashes for the separators in the regex, eg. 'Temp\\cache$[[path]]'

 Note: to tell the NERDTree not to ignore any files you must use the following
 line: >
@@ -1035,6 +1072,20 @@ This setting can be toggled dynamically, per tree, with the |NERDTree-F|
 mapping and is useful for drastically shrinking the tree when you are
 navigating to a different part of the tree.

+------------------------------------------------------------------------------
+                                                        *NERDTreeShowFilesLines*
+Values: 0 or 1.
+Default: 0.
+
+If this setting is set to 1 then the NERDTree shows number of lines for each
+file.
+
+This setting can be toggled dynamically, per tree, with the |NERDTree-L|
+mapping.
+Use one of the follow lines for this setting: >
+    let NERDTreeShowFilesLines=0
+    let NERDTreeShowFilesLines=1
+<
 ------------------------------------------------------------------------------
                                                            *NERDTreeShowHidden*
 Values: 0 or 1.
@@ -1099,8 +1150,8 @@ Examples: >
 <
 1. Directories will appear last, everything else will appear above.
 2. Everything will simply appear in alphabetical order.
-3. Dirs will appear first, then ruby and php. Swap files, bak files and vim
-   backup files will appear last with everything else preceding them.
+3. Directories will appear first, then ruby and php. Swap files, bak files
+   and vim backup files will appear last with everything else preceding them.
 4. Everything is sorted by size, largest to smallest, with directories
   considered to have size 0 bytes.
 5. Directories will appear first alphabetically, followed by files, sorted by
@@ -1123,7 +1174,7 @@ setting is used.

 ------------------------------------------------------------------------------
                                                                *NERDTreeWinPos*
-Values: "left" or "right"
+Values: "left", "right", "top" or "bottom"
 Default: "left".

 This setting is used to determine where NERDTree window is placed on the
@@ -1133,6 +1184,13 @@ This setting makes it possible to use two different explorer plugins
 simultaneously. For example, you could have the taglist plugin on the left of
 the window and the NERDTree on the right.

+When setting this variable to "top" or "bottom" make sure to also change the
+|NERDTreeWinSize| to a more reasonable size.
+
+For example:
+>
+    let g:NERDTreeWinSize = 15
+<
 ------------------------------------------------------------------------------
                                                               *NERDTreeWinSize*
 Values: a positive integer.
@@ -1174,8 +1232,9 @@ Use one of the following lines for this setting: >
 Values: 0 or 1
 Default: 1.

-When displaying dir nodes, this setting tells NERDTree to collapse dirs that
-have only one child. Use one of the following lines for this setting: >
+When displaying directory nodes, this setting tells NERDTree to collapse
+directories that have only one child. Use one of the following lines for this
+setting: >
    let NERDTreeCascadeSingleChildDir=0
    let NERDTreeCascadeSingleChildDir=1
 <
@@ -1184,11 +1243,12 @@ have only one child. Use one of the following lines for this setting: >
 Values: 0 or 1
 Default: 1.

-When opening dir nodes, this setting tells NERDTree to recursively open dirs
-that have only one child which is also a dir. NERDTree will stop when it finds
-a dir that contains anything but another single dir. This setting also causes
-the |NERDTree-x| mapping to close dirs in the same manner. This setting may be
-useful for Java projects. Use one of the following lines for this setting: >
+When opening directory nodes, this setting tells NERDTree to recursively open
+directories that have only one child which is also a directory. NERDTree will
+stop when it finds a directory that contains anything but another single
+directory. This setting also causes the |NERDTree-x| mapping to close
+directories in the same manner. This setting may be useful for Java projects.
+Use one of the following lines for this setting: >
    let NERDTreeCascadeOpenSingleChildDir=0
    let NERDTreeCascadeOpenSingleChildDir=1
 <
@@ -1222,13 +1282,19 @@ Values: Any single character.
 Defaults:   Windows: ~ and +    Others: ▾ and ▸

 These characters indicate whether a directory is collapsible or expandable.
-
-They can be set to "\u00a0" to hide the arrows, but if you do this you may
-need to change the node delimiter. See |NERDTreeNodeDelimiter|. You cannot use
-the same character for both the arrows and the delimiter. Example: >
+Example: >
    let NERDTreeDirArrowExpandable=">"
    let NERDTreeDirArrowCollapsible="v"
 <
+They can be set to "\u00a0" to replace the arrows with a non-breaking space.
+If you do this you may need to change the node delimiter. See
+|NERDTreeNodeDelimiter|. You cannot use the same character for both the arrows
+and the delimiter.
+
+Alternatively, they can be set to '' (an empty string). This removes the
+arrows and the single space that follows them, shifting the entire tree two
+character positions to the left.
+
 ------------------------------------------------------------------------------
                                                         *NERDTreeNodeDelimiter*
 Values: Any single character.
@@ -1243,10 +1309,10 @@ responsible pull request: https://github.com/preservim/nerdtree/pull/868.
 The default value of this variable depends on the features compiled into your
 vim and the values of |NERDTreeDirArrowCollapsible| and
 |NERDTreeDirArrowExpandable|.
-  * If your vim is compiled with the +conceal feature, it is the "\x07" (BELL)
-    character, and it is hidden by setting 'conceallevel' to 3. If you use
-    autocommands, make sure none of them change that setting in the NERDTree_*
-    buffers.
+  * If your vim is compiled with the +conceal feature, it is the "\x07"
+    (BEL) character, and it is hidden by setting 'conceallevel' to 2. If you
+    use autocommands, make sure none of them change that setting in the
+    NERD_Tree_* buffers.
  * If your vim does NOT have the +conceal feature and you're using "\u00a0"
    (non-breaking space) to hide the directory arrows, "\u00b7" (middle dot)
    is used as the default delimiter.
@@ -1346,18 +1412,18 @@ NERDTreeAddKeyMap({options})                               *NERDTreeAddKeyMap()*
    Example: >
        call NERDTreeAddKeyMap({
               \ 'key': 'foo',
-               \ 'callback': 'NERDTreeCDHandler',
+               \ 'callback': 'NERDTreeEchoPathHandler',
               \ 'quickhelpText': 'echo full path of current node',
               \ 'scope': 'DirNode' })

-        function! NERDTreeCDHandler(dirnode)
-            call a:dirnode.changeToDir()
+        function! NERDTreeEchoPathHandler(dirnode)
+            echo a:dirnode.path.str()
        endfunction
 <
    This code should sit in a file like ~/.vim/nerdtree_plugin/mymapping.vim.
    It adds a (redundant) mapping on 'foo' which changes vim's CWD to that of
-    the current dir node. Note this mapping will only fire when the cursor is
-    on a directory node.
+    the current directory node. Note this mapping will only fire when the
+    cursor is on a directory node.

 ------------------------------------------------------------------------------
 4.2. Menu API                                                  *NERDTreeMenuAPI*
--- a/lib/nerdtree/bookmark.vim
+++ b/lib/nerdtree/bookmark.vim
@@ -256,7 +256,7 @@ endfunction
 function! s:Bookmark.open(nerdtree, ...)
    let opts = a:0 ? a:1 : {}

-    if nerdtree#and(g:NERDTreeQuitOnOpen,2)
+    if nerdtree#closeBookmarksOnOpen()
        call a:nerdtree.ui.toggleShowBookmarks()
    endif

--- a/lib/nerdtree/creator.vim
+++ b/lib/nerdtree/creator.vim
@@ -28,7 +28,9 @@ endfunction

 " FUNCTION: s:Creator._broadcastInitEvent() {{{1
 function! s:Creator._broadcastInitEvent()
-    silent doautocmd User NERDTreeInit
+    if exists('#User#NERDTreeInit')
+        doautocmd User NERDTreeInit
+    endif
 endfunction

 " FUNCTION: s:Creator.BufNamePrefix() {{{1
@@ -170,6 +172,7 @@ function! s:Creator.createMirror()
    let t:NERDTreeBufName = bufferName
    call self._createTreeWin()
    exec 'buffer ' .  bufferName
+    call b:NERDTree.ui.restoreScreenState()
    if !&hidden
        call b:NERDTree.render()
    endif
@@ -179,16 +182,17 @@ endfunction
 " Initialize the NERDTree window.  Open the window, size it properly, set all
 " local options, etc.
 function! s:Creator._createTreeWin()
-    let l:splitLocation = g:NERDTreeWinPos ==# 'left' ? 'topleft ' : 'botright '
+    let l:splitLocation = g:NERDTreeWinPos ==# 'left' || g:NERDTreeWinPos ==# 'top' ? 'topleft ' : 'botright '
+    let l:splitDirection = g:NERDTreeWinPos ==# 'left' || g:NERDTreeWinPos ==# 'right' ? 'vertical' : ''
    let l:splitSize = g:NERDTreeWinSize

    if !g:NERDTree.ExistsForTab()
        let t:NERDTreeBufName = self._nextBufferName()
-        silent! execute l:splitLocation . 'vertical ' . l:splitSize . ' new'
+        silent! execute l:splitLocation . l:splitDirection . ' ' . l:splitSize . ' new'
        silent! execute 'edit ' . t:NERDTreeBufName
-        silent! execute 'vertical resize '. l:splitSize
+        silent! execute l:splitDirection . ' resize '. l:splitSize
    else
-        silent! execute l:splitLocation . 'vertical ' . l:splitSize . ' split'
+        silent! execute l:splitLocation . l:splitDirection . ' ' . l:splitSize . ' split'
        silent! execute 'buffer ' . t:NERDTreeBufName
    endif

@@ -247,9 +251,13 @@ function! s:Creator._pathForString(str)

        "hack to get an absolute path if a relative path is given
        if dir =~# '^\.'
-            let dir = getcwd() . g:NERDTreePath.Slash() . dir
+            let dir = getcwd() . nerdtree#slash() . dir
+        endif
+
+        "hack to prevent removing slash if dir is the root of the file system.
+        if dir !=# '/'
+            let dir = g:NERDTreePath.Resolve(dir)
        endif
-        let dir = g:NERDTreePath.Resolve(dir)

        try
            let path = g:NERDTreePath.New(dir)
@@ -355,17 +363,20 @@ function! s:Creator.ToggleTabTree(dir)
 endfunction

 " FUNCTION: s:Creator.toggleTabTree(dir) {{{1
-" Toggles the NERD tree. I.e the NERD tree is open, it is closed, if it is
-" closed it is restored or initialized (if it doesnt exist)
+" Toggles the NERD tree. I.e if the NERD tree is open, it is closed. If it is
+" closed, it is restored or initialized. If dir is not empty, it will be set
+" as the new root.
 "
 " Args:
-" dir: the full path for the root node (is only used if the NERD tree is being
-" initialized.
+" dir: the full path for the root node (is used if the NERD tree is being
+" initialized, or to change the root to a new dir.)
 function! s:Creator.toggleTabTree(dir)
    if g:NERDTree.ExistsForTab()
        if !g:NERDTree.IsOpen()
            call self._createTreeWin()
-            if !&hidden
+            if !empty(a:dir) && a:dir !=# b:NERDTree.root.path.str()
+                call self.createTabTree(a:dir)
+            elseif !&hidden
                call b:NERDTree.render()
            endif
            call b:NERDTree.ui.restoreScreenState()
--- a/lib/nerdtree/key_map.vim
+++ b/lib/nerdtree/key_map.vim
@@ -51,7 +51,7 @@ function! s:KeyMap.bind()
    else
        let keymapInvokeString = self.key
    endif
-    let keymapInvokeString = escape(keymapInvokeString, '\')
+    let keymapInvokeString = escape(keymapInvokeString, '\"')

    let premap = self.key ==# '<LeftRelease>' ? ' <LeftRelease>' : ' '

@@ -66,11 +66,11 @@ endfunction
 "FUNCTION: KeyMap.invoke() {{{1
 "Call the KeyMaps callback function
 function! s:KeyMap.invoke(...)
-    let Callback = type(self.callback) ==# type(function('tr')) ? self.callback : function(self.callback)
+    let l:Callback = type(self.callback) ==# type(function('tr')) ? self.callback : function(self.callback)
    if a:0
-        call Callback(a:1)
+        call l:Callback(a:1)
    else
-        call Callback()
+        call l:Callback()
    endif
 endfunction

--- a/lib/nerdtree/nerdtree.vim
+++ b/lib/nerdtree/nerdtree.vim
@@ -27,7 +27,9 @@ function! s:NERDTree.changeRoot(node)
    call self.render()
    call self.root.putCursorHere(0, 0)

-    silent doautocmd User NERDTreeNewRoot
+    if exists('#User#NERDTreeNewRoot')
+        doautocmd User NERDTreeNewRoot
+    endif
 endfunction

 "FUNCTION: s:NERDTree.Close() {{{1
@@ -63,14 +65,6 @@ function! s:NERDTree.Close()
    endif
 endfunction

-"FUNCTION: s:NERDTree.CloseIfQuitOnOpen() {{{1
-"Closes the NERD tree window if the close on open option is set
-function! s:NERDTree.CloseIfQuitOnOpen()
-    if nerdtree#and(g:NERDTreeQuitOnOpen,1) && s:NERDTree.IsOpen()
-        call s:NERDTree.Close()
-    endif
-endfunction
-
 "FUNCTION: s:NERDTree.CursorToBookmarkTable(){{{1
 "Places the cursor at the top of the bookmarks table
 function! s:NERDTree.CursorToBookmarkTable()
@@ -96,9 +90,9 @@ endfunction

 "FUNCTION: s:NERDTree.CursorToTreeWin(){{{1
 "Places the cursor in the nerd tree window
-function! s:NERDTree.CursorToTreeWin()
+function! s:NERDTree.CursorToTreeWin(...)
    call g:NERDTree.MustBeOpen()
-    call nerdtree#exec(g:NERDTree.GetWinNum() . 'wincmd w', 1)
+    call nerdtree#exec(g:NERDTree.GetWinNum() . 'wincmd w', a:0 >0 ? a:1 : 1)
 endfunction

 " Function: s:NERDTree.ExistsForBuffer()   {{{1
--- a/lib/nerdtree/notifier.vim
+++ b/lib/nerdtree/notifier.vim
@@ -15,8 +15,8 @@ function! s:Notifier.NotifyListeners(event, path, nerdtree, params)
    let event = g:NERDTreeEvent.New(a:nerdtree, a:path, a:event, a:params)

    for Listener in s:Notifier.GetListenersForEvent(a:event)
-    	let Callback = type(Listener) == type(function('tr')) ? Listener : function(Listener)
-        call Callback(event)
+        let l:Callback = type(Listener) == type(function('tr')) ? Listener : function(Listener)
+        call l:Callback(event)
    endfor
 endfunction

--- a/lib/nerdtree/opener.vim
+++ b/lib/nerdtree/opener.vim
@@ -33,8 +33,7 @@ function! s:Opener._bufInWindows(bnum)
 endfunction

 " FUNCTION: Opener._checkToCloseTree(newtab) {{{1
-" Check the class options and global options (i.e. NERDTreeQuitOnOpen) to see
-" if the tree should be closed now.
+" Check the class options to see if the tree should be closed now.
 "
 " Args:
 " a:newtab - boolean. If set, only close the tree now if we are opening the
@@ -46,7 +45,7 @@ function! s:Opener._checkToCloseTree(newtab)
    endif

    if (a:newtab && self._where ==# 't') || !a:newtab
-        call g:NERDTree.CloseIfQuitOnOpen()
+        call g:NERDTree.Close()
    endif
 endfunction

@@ -174,9 +173,8 @@ function! s:Opener._newSplit()

    "resize the tree window if no other window was open before
    if onlyOneWin
-        let size = exists('b:NERDTreeOldWindowSize') ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize
        call nerdtree#exec('wincmd p', 1)
-        call nerdtree#exec('silent '. splitMode .' resize '. size, 1)
+        call nerdtree#exec('silent '. splitMode .' resize '. g:NERDTreeWinSize, 1)
        call nerdtree#exec('wincmd p', 0)
    endif

@@ -195,7 +193,7 @@ function! s:Opener._newVSplit()
    endif

    call nerdtree#exec('wincmd p', 1)
-    call nerdtree#exec('vnew', 1)
+    call nerdtree#exec('vsplit', 1)

    let l:currentWindowNumber = winnr()

@@ -219,7 +217,7 @@ endfunction

 " FUNCTION: Opener._openFile() {{{1
 function! s:Opener._openFile()
-    if !self._stay && !and(g:NERDTreeQuitOnOpen,1) && exists('b:NERDTreeZoomed') && b:NERDTreeZoomed
+    if !self._stay && self._keepopen && get(b:, 'NERDTreeZoomed', 0)
        call b:NERDTree.ui.toggleZoom()
    endif

--- a/lib/nerdtree/path.vim
+++ b/lib/nerdtree/path.vim
@@ -25,10 +25,10 @@ function! s:Path.AbsolutePathFor(pathStr)
    if l:prependWorkingDir
        let l:result = getcwd()

-        if l:result[-1:] ==# s:Path.Slash()
+        if l:result[-1:] == nerdtree#slash()
            let l:result = l:result . a:pathStr
        else
-            let l:result = l:result . s:Path.Slash() . a:pathStr
+            let l:result = l:result . nerdtree#slash() . a:pathStr
        endif
    endif

@@ -65,6 +65,25 @@ function! s:Path.cacheDisplayString() abort
        let self.cachedDisplayString = self.addDelimiter(self.cachedDisplayString) . ' -> ' . self.symLinkDest
    endif

+    if !self.isDirectory && b:NERDTree.ui.getShowFileLines() != 0
+        let l:bufname = self.str({'format': 'Edit'})
+        let l:lines = 0
+        if executable('wc') 
+            let l:lines = split(system('wc -l "'.l:bufname.'"'))[0]
+        elseif nerdtree#runningWindows()
+            let l:lines = substitute(system('type "'.l:bufname.'" | find /c /v ""'), '\n', '', 'g')
+        else 
+            let s:lines = readfile(l:bufname)
+            let l:lines = 0
+            for s:line in s:lines
+                let l:lines += 1
+                if l:lines >= 20000 
+                    break
+                endif
+            endfor
+        endif
+        let self.cachedDisplayString = self.addDelimiter(self.cachedDisplayString) . ' ('.l:lines.')'
+    endif
    if self.isReadOnly
        let self.cachedDisplayString = self.addDelimiter(self.cachedDisplayString) . ' ['.g:NERDTreeGlyphReadOnly.']'
    endif
@@ -99,50 +118,6 @@ function! s:Path.changeToDir()
    endtry
 endfunction

-" FUNCTION: Path.compareTo() {{{1
-"
-" Compares this Path to the given path and returns 0 if they are equal, -1 if
-" this Path is 'less than' the given path, or 1 if it is 'greater'.
-"
-" Args:
-" path: the path object to compare this to
-"
-" Return:
-" 1, -1 or 0
-function! s:Path.compareTo(path)
-    let thisPath = self.getLastPathComponent(1)
-    let thatPath = a:path.getLastPathComponent(1)
-
-    "if the paths are the same then clearly we return 0
-    if thisPath ==# thatPath
-        return 0
-    endif
-
-    let thisSS = self.getSortOrderIndex()
-    let thatSS = a:path.getSortOrderIndex()
-
-    "compare the sort sequences, if they are different then the return
-    "value is easy
-    if thisSS < thatSS
-        return -1
-    elseif thisSS > thatSS
-        return 1
-    else
-        if !g:NERDTreeSortHiddenFirst
-            let thisPath = substitute(thisPath, '^[._]', '', '')
-            let thatPath = substitute(thatPath, '^[._]', '', '')
-        endif
-        "if the sort sequences are the same then compare the paths
-        "alphabetically
-        let pathCompare = g:NERDTreeCaseSensitiveSort ? thisPath <# thatPath : thisPath <? thatPath
-        if pathCompare
-            return -1
-        else
-            return 1
-        endif
-    endif
-endfunction
-
 " FUNCTION: Path.Create(fullpath) {{{1
 "
 " Factory method.
@@ -199,7 +174,7 @@ function! s:Path.copy(dest)
        let cmd_prefix = (self.isDirectory ? g:NERDTreeCopyDirCmd : g:NERDTreeCopyFileCmd)
    endif

-    let cmd = cmd_prefix . ' ' . escape(self.str(), self._escChars()) . ' ' . escape(a:dest, self._escChars())
+    let cmd = cmd_prefix . ' ' . shellescape(self.str()) . ' ' . shellescape(a:dest)
    let success = system(cmd)
    if v:shell_error !=# 0
        throw "NERDTree.CopyError: Could not copy '". self.str() ."' to: '" . a:dest . "'"
@@ -295,7 +270,10 @@ endfunction

 " FUNCTION: Path.edit() {{{1
 function! s:Path.edit()
-    exec 'edit ' . self.str({'format': 'Edit'})
+    let l:bufname = self.str({'format': 'Edit'})
+    if bufname('%') !=# l:bufname
+        exec 'edit ' . l:bufname
+    endif
 endfunction

 " FUNCTION: Path.extractDriveLetter(fullpath) {{{1
@@ -329,7 +307,7 @@ function! s:Path._escChars()
        return " `\|\"#%&,?()\*^<>$"
    endif

-    return " \\`\|\"#%&,?()\*^<>[]$"
+    return " \\`\|\"#%&,?()\*^<>[]{}$"
 endfunction

 " FUNCTION: Path.getDir() {{{1
@@ -435,7 +413,7 @@ function! s:Path.getSortKey()
            let self._sortKey = [self.getSortOrderIndex()] + metadata
        endif

-        let path = self.getLastPathComponent(1)
+        let path = self.getLastPathComponent(0)
        if !g:NERDTreeSortHiddenFirst
            let path = substitute(path, '^[._]', '', '')
        endif
@@ -500,10 +478,10 @@ function! s:Path.ignore(nerdtree)
            endif
        endfor

-        for Callback in g:NERDTree.PathFilters()
-            let Callback = type(Callback) ==# type(function('tr')) ? Callback : function(Callback)
-            if Callback({'path': self, 'nerdtree': a:nerdtree})
-                return 1
+        for l:Callback in g:NERDTree.PathFilters()
+            let l:Callback = type(l:Callback) ==# type(function('tr')) ? l:Callback : function(l:Callback)
+            if l:Callback({'path': self, 'nerdtree': a:nerdtree})
+               return 1
            endif
        endfor
    endif
@@ -524,7 +502,10 @@ endfunction
 " returns true if this path matches the given ignore pattern
 function! s:Path._ignorePatternMatches(pattern)
    let pat = a:pattern
-    if strpart(pat,len(pat)-7) ==# '[[dir]]'
+    if strpart(pat,len(pat)-8) ==# '[[path]]'
+        let pat = strpart(pat,0, len(pat)-8)
+        return self.str() =~# pat
+    elseif strpart(pat,len(pat)-7) ==# '[[dir]]'
        if !self.isDirectory
            return 0
        endif
@@ -543,26 +524,36 @@ endfunction
 " return 1 if this path is somewhere above the given path in the filesystem.
 "
 " a:path should be a dir
-function! s:Path.isAncestor(path)
-    if !self.isDirectory
-        return 0
-    endif
-
-    let this = self.str()
-    let that = a:path.str()
-    return stridx(that, this) ==# 0
+function! s:Path.isAncestor(child)
+    return a:child.isUnder(self)
 endfunction

 " FUNCTION: Path.isUnder(path) {{{1
 " return 1 if this path is somewhere under the given path in the filesystem.
-function! s:Path.isUnder(path)
-    if a:path.isDirectory ==# 0
+function! s:Path.isUnder(parent)
+    if a:parent.isDirectory ==# 0
        return 0
    endif
-
-    let this = self.str()
-    let that = a:path.str()
-    return stridx(this, that . s:Path.Slash()) ==# 0
+    if nerdtree#runningWindows() && a:parent.drive !=# self.drive
+        return 0
+    endif
+    let l:this_count = len(self.pathSegments)
+    if l:this_count ==# 0
+        return 0
+    endif
+    let l:that_count = len(a:parent.pathSegments)
+    if l:that_count ==# 0
+        return 1
+    endif
+    if l:that_count >= l:this_count
+        return 0
+    endif
+    for i in range(0, l:that_count-1)
+        if !nerdtree#pathEquals(self.pathSegments[i], a:parent.pathSegments[i])
+            return 0
+        endif
+    endfor
+    return 1
 endfunction

 " FUNCTION: Path.JoinPathStrings(...) {{{1
@@ -582,11 +573,7 @@ endfunction
 " Args:
 " path: the other path obj to compare this with
 function! s:Path.equals(path)
-    if nerdtree#runningWindows()
-        return self.str() ==? a:path.str()
-    else
-        return self.str() ==# a:path.str()
-    endif
+    return nerdtree#pathEquals(self.str(), a:path.str())
 endfunction

 " FUNCTION: Path.New(pathStr) {{{1
@@ -601,23 +588,6 @@ function! s:Path.New(pathStr)
    return l:newPath
 endfunction

-" FUNCTION: Path.Slash() {{{1
-" Return the path separator used by the underlying file system.  Special
-" consideration is taken for the use of the 'shellslash' option on Windows
-" systems.
-function! s:Path.Slash()
-
-    if nerdtree#runningWindows()
-        if exists('+shellslash') && &shellslash
-            return '/'
-        endif
-
-        return '\'
-    endif
-
-    return '/'
-endfunction
-
 " FUNCTION: Path.Resolve() {{{1
 " Invoke the vim resolve() function and return the result
 " This is necessary because in some versions of vim resolve() removes trailing
@@ -802,7 +772,7 @@ function! s:Path._strForEdit()

    " On Windows, the drive letter may be removed by "fnamemodify()".  Add it
    " back, if necessary.
-    if nerdtree#runningWindows() && l:result[0] ==# s:Path.Slash()
+    if nerdtree#runningWindows() && l:result[0] == nerdtree#slash()
        let l:result = self.drive . l:result
    endif

@@ -817,14 +787,14 @@ endfunction

 " FUNCTION: Path._strForGlob() {{{1
 function! s:Path._strForGlob()
-    let lead = s:Path.Slash()
+    let lead = nerdtree#slash()

    "if we are running windows then slap a drive letter on the front
    if nerdtree#runningWindows()
        let lead = self.drive . '\'
    endif

-    let toReturn = lead . join(self.pathSegments, s:Path.Slash())
+    let toReturn = lead . join(self.pathSegments, nerdtree#slash())

    if !nerdtree#runningWindows()
        let toReturn = escape(toReturn, self._escChars())
@@ -836,7 +806,7 @@ endfunction
 " Return the absolute pathname associated with this Path object.  The pathname
 " returned is appropriate for the underlying file system.
 function! s:Path._str()
-    let l:separator = s:Path.Slash()
+    let l:separator = nerdtree#slash()
    let l:leader = l:separator

    if nerdtree#runningWindows()
--- a/lib/nerdtree/tree_dir_node.vim
+++ b/lib/nerdtree/tree_dir_node.vim
@@ -104,16 +104,11 @@ function! s:TreeDirNode.displayString()
    endfor

    " Select the appropriate open/closed status indicator symbol.
-    if l:cascade[-1].isOpen
-        let l:symbol = g:NERDTreeDirArrowCollapsible
-    else
-        let l:symbol = g:NERDTreeDirArrowExpandable
-    endif
-
+    let l:symbol = (l:cascade[-1].isOpen ? g:NERDTreeDirArrowCollapsible : g:NERDTreeDirArrowExpandable )
+    let l:symbol .= (g:NERDTreeDirArrowExpandable ==# '' ? '' : ' ')
    let l:flags = l:cascade[-1].path.flagSet.renderToString()

-    let l:result = l:symbol . ' ' . l:flags . l:label
-    return l:result
+    return l:symbol . l:flags . l:label
 endfunction

 " FUNCTION: TreeDirNode.findNode(path) {{{1
@@ -126,8 +121,14 @@ function! s:TreeDirNode.findNode(path)
    if a:path.equals(self.path)
        return self
    endif
-    if stridx(a:path.str(), self.path.str(), 0) ==# -1
-        return {}
+    if nerdtree#caseSensitiveFS()
+        if stridx(a:path.str(), self.path.str(), 0) ==# -1
+            return {}
+        endif
+    else
+        if stridx(tolower(a:path.str()), tolower(self.path.str()), 0) ==# -1
+            return {}
+        endif
    endif

    if self.path.isDirectory
@@ -241,7 +242,7 @@ function! s:TreeDirNode.getChildIndex(path)
    let z = self.getChildCount()
    while a < z
        let mid = (a+z)/2
-        let diff = a:path.compareTo(self.children[mid].path)
+        let diff = nerdtree#compareNodePaths(a:path, self.children[mid].path)

        if diff ==# -1
            let z = mid
@@ -283,8 +284,12 @@ function! s:TreeDirNode._glob(pattern, all)
    else
        let l:pathSpec = escape(fnamemodify(self.path.str({'format': 'Glob'}), ':.'), ',')

-        " On Windows, the drive letter may be removed by fnamemodify().
-        if nerdtree#runningWindows() && l:pathSpec[0] ==# g:NERDTreePath.Slash()
+        if nerdtree#runningWindows()
+            let l:pathSpec = substitute(l:pathSpec, "\\[\\(.*\\]\\)", "[[]\\1", "g")
+        endif
+
+        " On Windows, the drive letter may be removed by "fnamemodify()".
+        if nerdtree#runningWindows() && l:pathSpec[0] == nerdtree#slash()
            let l:pathSpec = self.path.drive . l:pathSpec
        endif
    endif
@@ -382,11 +387,17 @@ endfunction
 "  1. If cascaded, we don't know which dir is bookmarked or is a symlink.
 "  2. If the parent is a symlink or is bookmarked, you end up with unparsable
 "     text, and NERDTree cannot get the path of any child node.
+" Also, return false if this directory is the tree root, which should never be
+" part of a cascade.
 function! s:TreeDirNode.isCascadable()
    if g:NERDTreeCascadeSingleChildDir ==# 0
        return 0
    endif

+    if self.isRoot()
+        return 0
+    endif
+
    if self.path.isSymLink
        return 0
    endif
@@ -420,6 +431,7 @@ function! s:TreeDirNode._initChildren(silent)
    endif

    let invalidFilesFound = 0
+    let invalidFiles = []
    for i in files
        try
            let path = g:NERDTreePath.New(i)
@@ -427,15 +439,17 @@ function! s:TreeDirNode._initChildren(silent)
            call g:NERDTreePathNotifier.NotifyListeners('init', path, self.getNerdtree(), {})
        catch /^NERDTree.\(InvalidArguments\|InvalidFiletype\)Error/
            let invalidFilesFound += 1
+            let invalidFiles += [i]
        endtry
    endfor

+    let g:NERDTreeOldSortOrder = g:NERDTreeSortOrder
    call self.sortChildren()

    call nerdtree#echo('')

    if invalidFilesFound
-        call nerdtree#echoWarning(invalidFilesFound . ' file(s) could not be loaded into the NERD tree')
+        call nerdtree#echoWarning(invalidFilesFound . ' Invalid file(s): ' . join(invalidFiles, ', '))
    endif
    return self.getChildCount()
 endfunction
@@ -562,12 +576,13 @@ function! s:TreeDirNode.refresh()
        let files = self._glob('*', 1) + self._glob('.*', 0)
        let newChildNodes = []
        let invalidFilesFound = 0
+        let invalidFiles = []
        for i in files
            try
                "create a new path and see if it exists in this nodes children
                let path = g:NERDTreePath.New(i)
                let newNode = self.getChild(path)
-                if newNode !=# {}
+                if newNode !=# {} && path.str() ==# newNode.path.str()
                    call newNode.refresh()
                    call add(newChildNodes, newNode)

@@ -578,7 +593,8 @@ function! s:TreeDirNode.refresh()
                    call add(newChildNodes, newNode)
                endif
            catch /^NERDTree.\(InvalidArguments\|InvalidFiletype\)Error/
-                let invalidFilesFound = 1
+                let invalidFilesFound += 1
+                let invalidFiles += [i]
            endtry
        endfor

@@ -587,7 +603,7 @@ function! s:TreeDirNode.refresh()
        call self.sortChildren()

        if invalidFilesFound
-            call nerdtree#echoWarning('some files could not be loaded into the NERD tree')
+            call nerdtree#echoWarning(invalidFilesFound . ' Invalid file(s): ' . join(invalidFiles, ', '))
        endif
    endif
 endfunction
@@ -664,7 +680,7 @@ function! s:TreeDirNode.sortChildren()
    if count(g:NERDTreeSortOrder, '*') < 1
        call add(g:NERDTreeSortOrder, '*')
    endif
-    let CompareFunc = function('nerdtree#compareNodesBySortKey')
+    let CompareFunc = function('nerdtree#compareNodes')
    call sort(self.children, CompareFunc)
    let g:NERDTreeOldSortOrder = g:NERDTreeSortOrder
 endfunction
--- a/lib/nerdtree/tree_file_node.vim
+++ b/lib/nerdtree/tree_file_node.vim
@@ -321,13 +321,9 @@ function! s:TreeFileNode._renderToString(depth, drawText)
    if a:drawText ==# 1

        let treeParts = repeat('  ', a:depth - 1)
-
-        if !self.path.isDirectory
-            let treeParts = treeParts . '  '
-        endif
+        let treeParts .= (self.path.isDirectory || g:NERDTreeDirArrowExpandable ==# '' ? '' : '  ')

        let line = treeParts . self.displayString()
-
        let output = output . line . "\n"
    endif

--- a/lib/nerdtree/ui.vim
+++ b/lib/nerdtree/ui.vim
@@ -67,6 +67,10 @@ function! s:UI._dumpHelp()
        let help .= '" '. g:NERDTreeMapPreview .": find dir in tree\n"
        let help .= '" '. g:NERDTreeMapOpenInTab.": open in new tab\n"
        let help .= '" '. g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
+        let help .= '" '. g:NERDTreeMapOpenSplit .": open split\n"
+        let help .= '" '. g:NERDTreeMapPreviewSplit .": preview split\n"
+        let help .= '" '. g:NERDTreeMapOpenVSplit .": open vsplit\n"
+        let help .= '" '. g:NERDTreeMapPreviewVSplit .": preview vsplit\n"
        let help .= '" '. g:NERDTreeMapCustomOpen .": custom open\n"
        let help .= '" '. g:NERDTreeMapDeleteBookmark .": delete bookmark\n"

@@ -99,6 +103,7 @@ function! s:UI._dumpHelp()
        let help .= '" '. g:NERDTreeMapToggleFilters .': file filters (' . (self.isIgnoreFilterEnabled() ? 'on' : 'off') . ")\n"
        let help .= '" '. g:NERDTreeMapToggleFiles .': files (' . (self.getShowFiles() ? 'on' : 'off') . ")\n"
        let help .= '" '. g:NERDTreeMapToggleBookmarks .': bookmarks (' . (self.getShowBookmarks() ? 'on' : 'off') . ")\n"
+        let help .= '" '. g:NERDTreeMapToggleFileLines .': files lines (' . (self.getShowFileLines() ? 'on' : 'off') . ")\n"

        " add quickhelp entries for each custom key map
        let help .= "\"\n\" ----------------------------\n"
@@ -143,6 +148,7 @@ function! s:UI.New(nerdtree)
    let newObj._showFiles = g:NERDTreeShowFiles
    let newObj._showHidden = g:NERDTreeShowHidden
    let newObj._showBookmarks = g:NERDTreeShowBookmarks
+    let newObj._showFileLines = g:NERDTreeFileLines

    return newObj
 endfunction
@@ -280,11 +286,20 @@ function! s:UI.getShowHidden()
    return self._showHidden
 endfunction

+" FUNCTION: s:UI.getShowFileLines() {{{1
+function! s:UI.getShowFileLines()
+    return self._showFileLines
+endfunction
+
 " FUNCTION: s:UI._indentLevelFor(line) {{{1
 function! s:UI._indentLevelFor(line)
    " Replace multi-character DirArrows with a single space so the
    " indentation calculation doesn't get messed up.
-    let l:line = substitute(substitute(a:line, '\V'.g:NERDTreeDirArrowExpandable, ' ', ''), '\V'.g:NERDTreeDirArrowCollapsible, ' ', '')
+    if g:NERDTreeDirArrowExpandable ==# ''
+        let l:line = '  '.a:line
+    else
+        let l:line = substitute(substitute(a:line, '\V'.g:NERDTreeDirArrowExpandable, ' ', ''), '\V'.g:NERDTreeDirArrowCollapsible, ' ', '')
+    endif
    let leadChars = match(l:line, '\M\[^ ]')
    return leadChars / s:UI.IndentWid()
 endfunction
@@ -360,7 +375,7 @@ function! s:UI.saveScreenState()
        call g:NERDTree.CursorToTreeWin()
        let self._screenState['oldPos'] = getpos('.')
        let self._screenState['oldTopLine'] = line('w0')
-        let self._screenState['oldWindowSize']= winwidth('')
+        let self._screenState['oldWindowSize'] = winnr('$')==1 ? g:NERDTreeWinSize : winwidth('')
        call nerdtree#exec(win . 'wincmd w', 1)
    catch
    endtry
@@ -504,12 +519,20 @@ function! s:UI.toggleShowHidden()
    call self.centerView()
 endfunction

+" FUNCTION: s:UI.toggleShowFileLines() {{{1
+" toggles the display of file lines
+function! s:UI.toggleShowFileLines()
+    let self._showFileLines = !self._showFileLines
+    call self.nerdtree.root.refresh()
+    call self.renderViewSavingPosition()
+    call self.centerView()
+endfunction
+
 " FUNCTION: s:UI.toggleZoom() {{{1
 " zoom (maximize/minimize) the NERDTree window
 function! s:UI.toggleZoom()
    if exists('b:NERDTreeZoomed') && b:NERDTreeZoomed
-        let size = exists('b:NERDTreeOldWindowSize') ? b:NERDTreeOldWindowSize : g:NERDTreeWinSize
-        call nerdtree#exec('silent vertical resize '. size, 1)
+        call nerdtree#exec('silent vertical resize '. g:NERDTreeWinSize, 1)
        let b:NERDTreeZoomed = 0
    else
        call nerdtree#exec('vertical resize '. get(g:, 'NERDTreeWinSizeMax', ''), 1)
--- a/nerdtree_plugin/fs_menu.vim
+++ b/nerdtree_plugin/fs_menu.vim
@@ -23,8 +23,8 @@ call NERDTreeAddMenuItem({'text': '(a)dd a childnode', 'shortcut': 'a', 'callbac
 call NERDTreeAddMenuItem({'text': '(m)ove the current node', 'shortcut': 'm', 'callback': 'NERDTreeMoveNode'})
 call NERDTreeAddMenuItem({'text': '(d)elete the current node', 'shortcut': 'd', 'callback': 'NERDTreeDeleteNode'})

-if has('gui_mac') || has('gui_macvim') || has('mac')
-    call NERDTreeAddMenuItem({'text': '(r)eveal in Finder the current node', 'shortcut': 'r', 'callback': 'NERDTreeRevealInFinder'})
+if nerdtree#runningMac()
+    call NERDTreeAddMenuItem({'text': '(r)eveal the current node in the Finder', 'shortcut': 'r', 'callback': 'NERDTreeRevealInFinder'})
    call NERDTreeAddMenuItem({'text': '(o)pen the current node with system editor', 'shortcut': 'o', 'callback': 'NERDTreeExecuteFile'})
    call NERDTreeAddMenuItem({'text': '(q)uicklook the current node', 'shortcut': 'q', 'callback': 'NERDTreeQuickLook'})
 endif
@@ -34,6 +34,11 @@ if executable('xdg-open')
    call NERDTreeAddMenuItem({'text': '(o)pen the current node with system editor', 'shortcut': 'o', 'callback': 'NERDTreeExecuteFileLinux'})
 endif

+if nerdtree#runningWindows()
+    call NERDTreeAddMenuItem({'text': '(r)eveal the current node in the Explorer', 'shortcut': 'r', 'callback': 'NERDTreeRevealInExplorer'})
+    call NERDTreeAddMenuItem({'text': '(o)pen the current node with system editor', 'shortcut': 'o', 'callback': 'NERDTreeExecuteFileWindows'})
+endif
+
 if g:NERDTreePath.CopyingSupported()
    call NERDTreeAddMenuItem({'text': '(c)opy the current node', 'shortcut': 'c', 'callback': 'NERDTreeCopyNode'})
 endif
@@ -41,10 +46,15 @@ call NERDTreeAddMenuItem({'text': (has('clipboard')?'copy (p)ath to clipboard':'

 if has('unix') || has('osx')
    call NERDTreeAddMenuItem({'text': '(l)ist the current node', 'shortcut': 'l', 'callback': 'NERDTreeListNode'})
+    call NERDTreeAddMenuItem({'text': '(C)hange node permissions', 'shortcut':'C', 'callback': 'NERDTreeChangePermissions'})
 else
    call NERDTreeAddMenuItem({'text': '(l)ist the current node', 'shortcut': 'l', 'callback': 'NERDTreeListNodeWin32'})
 endif

+if exists('*system')
+    call NERDTreeAddMenuItem({'text': 'Run (s)ystem command in this directory', 'shortcut':'s', 'callback': 'NERDTreeSystemCommand'})
+endif
+
 "FUNCTION: s:inputPrompt(action){{{1
 "returns the string that should be prompted to the user for the given action
 "
@@ -140,28 +150,48 @@ function! s:renameBuffer(bufNum, newNodeName, isDirectory)
        let quotedFileName = fnameescape(a:newNodeName)
        let editStr = g:NERDTreePath.New(a:newNodeName).str({'format': 'Edit'})
    endif
-    " 1. ensure that a new buffer is loaded
-    call nerdtree#exec('badd ' . quotedFileName, 0)
-    " 2. ensure that all windows which display the just deleted filename
-    " display a buffer for a new filename.
    let s:originalTabNumber = tabpagenr()
    let s:originalWindowNumber = winnr()
-    call nerdtree#exec('tabdo windo if winbufnr(0) ==# ' . a:bufNum . " | exec ':e! " . editStr . "' | endif", 0)
-    call nerdtree#exec('tabnext ' . s:originalTabNumber, 1)
-    call nerdtree#exec(s:originalWindowNumber . 'wincmd w', 1)
-    " 3. We don't need a previous buffer anymore
+    let l:tempBufferName = 'NERDTreeRenameTempBuffer'
+
+    " 1. swap deleted file buffer with a temporary one
+    " this step is needed to compensate for case insensitive filesystems
+
+    " 1.1. create an intermediate(temporary) buffer
+    call nerdtree#exec('badd ' . l:tempBufferName, 0)
+    let l:tempBufNum = bufnr(l:tempBufferName)
+    " 1.2. ensure that all windows which display the just deleted filename
+    " display the new temp buffer.
+    call nerdtree#exec('tabdo windo if winbufnr(0) ==# ' . a:bufNum . " | exec ':e! " . l:tempBufferName . "' | endif", 0)
+    " 1.3. We don't need the deleted file buffer anymore
    try
        call nerdtree#exec('confirm bwipeout ' . a:bufNum, 0)
    catch
        " This happens when answering Cancel if confirmation is needed. Do nothing.
    endtry
+
+    " 2. swap temporary buffer with the new filename buffer
+    " 2.1. create the actual new file buffer
+    call nerdtree#exec('badd ' . quotedFileName, 0)
+
+    " 2.2. ensure that all windows which display the temporary buffer
+    " display a buffer for the new filename.
+    call nerdtree#exec('tabdo windo if winbufnr(0) ==# ' . l:tempBufNum . " | exec ':e! " . editStr . "' | endif", 0)
+    call nerdtree#exec('tabnext ' . s:originalTabNumber, 1)
+    call nerdtree#exec(s:originalWindowNumber . 'wincmd w', 1)
+    " 2.3. We don't need the temporary buffer anymore
+    try
+        call nerdtree#exec('confirm bwipeout ' . l:tempBufNum, 0)
+    catch
+        " This happens when answering Cancel if confirmation is needed. Do nothing.
+    endtry
 endfunction

 "FUNCTION: NERDTreeAddNode(){{{1
 function! NERDTreeAddNode()
    let curDirNode = g:NERDTreeDirNode.GetSelected()
    let prompt = s:inputPrompt('add')
-    let newNodeName = input(prompt, curDirNode.path.str() . g:NERDTreePath.Slash(), 'file')
+    let newNodeName = substitute(input(prompt, curDirNode.path.str() . nerdtree#slash(), 'file'), '\(^\s*\|\s*$\)', '', 'g')

    if newNodeName ==# ''
        call nerdtree#echo('Node Creation Aborted.')
@@ -197,8 +227,25 @@ function! NERDTreeMoveNode()
    let prompt = s:inputPrompt('move')
    let newNodePath = input(prompt, curNode.path.str(), 'file')
    while filereadable(newNodePath)
-        call nerdtree#echoWarning('This destination already exists. Try again.')
-        let newNodePath = input(prompt, curNode.path.str(), 'file')
+        " allow renames with different casing when g:NERDTreeCaseSensitiveFS
+        " is set to either 0 or 3 and the 2 paths are equal
+        if (g:NERDTreeCaseSensitiveFS == 0 || g:NERDTreeCaseSensitiveFS == 3) &&
+                    \nerdtree#pathEquals(curNode.path.str(), newNodePath)
+            break
+        endif
+
+        call nerdtree#echoWarning('This destination already exists, Try again.')
+
+        " inform the user about the flag if we think it is a false positive
+        " when g:NERDTreeCaseSensitiveFS is set to 2
+        if g:NERDTreeCaseSensitiveFS == 2 &&
+                    \!nerdtree#osDefaultCaseSensitiveFS() &&
+                    \nerdtree#pathEquals(curNode.path.str(), newNodePath)
+            echon "\n(If it is a false positive please consider assigning NERDTreeCaseSensitiveFS's value)"
+        endif
+
+        " prompt the user again
+        let newNodePath = substitute(input(prompt, curNode.path.str(), 'file'), '\(^\s*\|\s*$\)', '', 'g')
    endwhile


@@ -209,7 +256,8 @@ function! NERDTreeMoveNode()

    try
        if curNode.path.isDirectory
-            let l:openBuffers = filter(range(1,bufnr('$')),'bufexists(v:val) && fnamemodify(bufname(v:val),":p") =~# curNode.path.str() . "/.*"')
+            let l:curPath = escape(curNode.path.str(),'\') . (nerdtree#runningWindows()?'\\':'/') . '.*'
+            let l:openBuffers = filter(range(1,bufnr('$')),'bufexists(v:val) && fnamemodify(bufname(v:val),":p") =~# "'.escape(l:curPath,'\').'"')
        else
            let l:openBuffers = filter(range(1,bufnr('$')),'bufexists(v:val) && fnamemodify(bufname(v:val),":p") ==# curNode.path.str()')
        endif
@@ -247,8 +295,6 @@ endfunction

 " FUNCTION: NERDTreeDeleteNode() {{{1
 function! NERDTreeDeleteNode()
-    let l:shellslash = &shellslash
-    let &shellslash = 0
    let currentNode = g:NERDTreeFileNode.GetSelected()
    let confirmed = 0

@@ -284,7 +330,6 @@ function! NERDTreeDeleteNode()
    else
        call nerdtree#echo('delete aborted')
    endif
-    let &shellslash = l:shellslash
 endfunction

 " FUNCTION: NERDTreeListNode() {{{1
@@ -327,13 +372,34 @@ function! NERDTreeListNodeWin32()
    call nerdtree#echo('node not recognized')
 endfunction

+" FUNCTION: NERDTreeChangePermissions() {{{1
+function! NERDTreeChangePermissions()
+    let l:node = g:NERDTreeFileNode.GetSelected()
+    let l:prompt = "change node permissions (chmod args): "
+    let l:newNodePerm = input(l:prompt)
+
+    if !empty(l:node)
+        let l:path = l:node.path.str()
+        let l:cmd = 'chmod ' .. newNodePerm .. ' ' .. path
+        let l:error = split(system(l:cmd), '\n')
+
+        if !empty(l:error)
+            call nerdtree#echo(l:error[0])
+        endif
+
+        call b:NERDTree.root.refresh()
+        call b:NERDTree.render()
+        return
+    endif
+
+    call nerdtree#echo('node not recognized')
+endfunction
+
 " FUNCTION: NERDTreeCopyNode() {{{1
 function! NERDTreeCopyNode()
-    let l:shellslash = &shellslash
-    let &shellslash = 0
    let currentNode = g:NERDTreeFileNode.GetSelected()
    let prompt = s:inputPrompt('copy')
-    let newNodePath = input(prompt, currentNode.path.str(), 'file')
+    let newNodePath = substitute(input(prompt, currentNode.path.str(), 'file'), '\(^\s*\|\s*$\)', '', 'g')

    if newNodePath !=# ''
        "strip trailing slash
@@ -366,7 +432,6 @@ function! NERDTreeCopyNode()
    else
        call nerdtree#echo('Copy aborted.')
    endif
-    let &shellslash = l:shellslash
    redraw!
 endfunction

@@ -387,44 +452,106 @@ endfunction

 " FUNCTION: NERDTreeQuickLook() {{{1
 function! NERDTreeQuickLook()
-    let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode !=# {}
-        call system("qlmanage -p 2>/dev/null '" . treenode.path.str() . "'")
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
    endif
+
+    call system('qlmanage -p 2>/dev/null ' . shellescape(l:node.path.str()))
 endfunction

 " FUNCTION: NERDTreeRevealInFinder() {{{1
 function! NERDTreeRevealInFinder()
-    let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode !=# {}
-        call system("open -R '" . treenode.path.str() . "'")
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
    endif
+
+    call system('open -R ' . shellescape(l:node.path.str()))
 endfunction

 " FUNCTION: NERDTreeExecuteFile() {{{1
 function! NERDTreeExecuteFile()
-    let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode !=# {}
-        call system("open '" . treenode.path.str() . "'")
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
    endif
+
+    call system('open ' . shellescape(l:node.path.str()))
 endfunction

 " FUNCTION: NERDTreeRevealFileLinux() {{{1
 function! NERDTreeRevealFileLinux()
-    let treenode = g:NERDTreeFileNode.GetSelected()
-    let parentnode = treenode.parent
-    if parentnode !=# {}
-        call system("xdg-open '" . parentnode.path.str() . "' &")
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
    endif
+
+    " Handle the edge case of "/", which has no parent.
+    if l:node.path.str() ==# '/'
+        call system('xdg-open /')
+        return
+    endif
+
+    if empty(l:node.parent)
+        return
+    endif
+
+    call system('xdg-open ' . shellescape(l:node.parent.path.str()))
 endfunction

 " FUNCTION: NERDTreeExecuteFileLinux() {{{1
 function! NERDTreeExecuteFileLinux()
-    let treenode = g:NERDTreeFileNode.GetSelected()
-    if treenode !=# {}
-        call system("xdg-open '" . treenode.path.str() . "' &")
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
    endif
+
+    call system('xdg-open ' . shellescape(l:node.path.str()))
+endfunction
+
+" FUNCTION: NERDTreeRevealInExplorer() {{{1
+function! NERDTreeRevealInExplorer()
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
+    endif
+
+    call system('cmd.exe /c explorer /select, ' . shellescape(l:node.path.str()))
+endfunction
+
+" FUNCTION: NERDTreeExecuteFileWindows() {{{1
+function! NERDTreeExecuteFileWindows()
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
+    endif
+
+    call system('cmd.exe /c start "" ' . shellescape(l:node.path.str()))
+endfunction
+
+" FUNCTION: NERDTreeSystemCommand() {{{1
+function! NERDTreeSystemCommand()
+    let l:node = g:NERDTreeFileNode.GetSelected()
+
+    if empty(l:node)
+        return
+    endif
+
+    let l:cwd = getcwd()
+    let l:directory = l:node.path.isDirectory ? l:node.path.str() : l:node.parent.path.str()
+    execute 'cd '.l:directory
+
+    let l:nl = nr2char(10)
+    echo l:nl . system(input(l:directory . (nerdtree#runningWindows() ? '> ' : ' $ ')))
+    execute 'cd '.l:cwd
 endfunction

 " vim: set sw=4 sts=4 et fdm=marker:
-
--- a/nerdtree_plugin/vcs.vim
+++ b/nerdtree_plugin/vcs.vim
@@ -34,7 +34,7 @@ endfunction
 function! s:FindParentVCSRoot(path)
    let l:path = a:path
    while !empty(l:path) &&
-        \ l:path._str() !~# '^\(\a:\\\|\/\)$' &&
+        \ l:path._str() !~# '^\(\a:[\\\/]\|\/\)$' &&
        \ !isdirectory(l:path._str() . '/.git') &&
        \ !isdirectory(l:path._str() . '/.svn') &&
        \ !isdirectory(l:path._str() . '/.hg') &&
@@ -42,6 +42,6 @@ function! s:FindParentVCSRoot(path)
        \ !isdirectory(l:path._str() . '/_darcs')
        let l:path = l:path.getParent()
    endwhile
-    return (empty(l:path) || l:path._str() =~# '^\(\a:\\\|\/\)$') ? a:path : l:path
+    return (empty(l:path) || l:path._str() =~# '^\(\a:[\\\/]\|\/\)$') ? a:path : l:path
 endfunction

--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -26,141 +26,118 @@ let loaded_nerd_tree = 1
 let s:old_cpo = &cpoptions
 set cpoptions&vim

-"Function: s:initVariable() function {{{2
-"This function is used to initialise a given variable to a given value. The
-"variable is only initialised if it does not exist prior
-"
-"Args:
-"var: the name of the var to be initialised
-"value: the value to initialise var to
-"
-"Returns:
-"1 if the var is set, 0 otherwise
-function! s:initVariable(var, value)
-    if !exists(a:var)
-        exec 'let ' . a:var . ' = ' . "'" . substitute(a:value, "'", "''", 'g') . "'"
-        return 1
-    endif
-    return 0
-endfunction
+"SECTION: Initialize variable calls and other random constants {{{2
+let g:NERDTreeAutoCenter            = get(g:, 'NERDTreeAutoCenter',            1)
+let g:NERDTreeAutoCenterThreshold   = get(g:, 'NERDTreeAutoCenterThreshold',   3)
+let g:NERDTreeCaseSensitiveFS       = get(g:, 'NERDTreeCaseSensitiveFS',       2)
+let g:NERDTreeCaseSensitiveSort     = get(g:, 'NERDTreeCaseSensitiveSort',     0)
+let g:NERDTreeNaturalSort           = get(g:, 'NERDTreeNaturalSort',           0)
+let g:NERDTreeSortHiddenFirst       = get(g:, 'NERDTreeSortHiddenFirst',       1)
+let g:NERDTreeUseTCD                = get(g:, 'NERDTreeUseTCD',                0)
+let g:NERDTreeChDirMode             = get(g:, 'NERDTreeChDirMode',             0)
+let g:NERDTreeCreatePrefix          = get(g:, 'NERDTreeCreatePrefix',          'silent')
+let g:NERDTreeMinimalUI             = get(g:, 'NERDTreeMinimalUI',             0)
+let g:NERDTreeMinimalMenu           = get(g:, 'NERDTreeMinimalMenu',           0)
+let g:NERDTreeIgnore                = get(g:, 'NERDTreeIgnore',                ['\~$'])
+let g:NERDTreeBookmarksFile         = get(g:, 'NERDTreeBookmarksFile',         expand('$HOME') . '/.NERDTreeBookmarks')
+let g:NERDTreeBookmarksSort         = get(g:, 'NERDTreeBookmarksSort',         1)
+let g:NERDTreeHighlightCursorline   = get(g:, 'NERDTreeHighlightCursorline',   1)
+let g:NERDTreeHijackNetrw           = get(g:, 'NERDTreeHijackNetrw',           1)
+let g:NERDTreeMarkBookmarks         = get(g:, 'NERDTreeMarkBookmarks',         1)
+let g:NERDTreeMouseMode             = get(g:, 'NERDTreeMouseMode',             1)
+let g:NERDTreeNotificationThreshold = get(g:, 'NERDTreeNotificationThreshold', 100)
+let g:NERDTreeQuitOnOpen            = get(g:, 'NERDTreeQuitOnOpen',            0)
+let g:NERDTreeRespectWildIgnore     = get(g:, 'NERDTreeRespectWildIgnore',     0)
+let g:NERDTreeShowBookmarks         = get(g:, 'NERDTreeShowBookmarks',         0)
+let g:NERDTreeShowFiles             = get(g:, 'NERDTreeShowFiles',             1)
+let g:NERDTreeShowHidden            = get(g:, 'NERDTreeShowHidden',            0)
+let g:NERDTreeShowLineNumbers       = get(g:, 'NERDTreeShowLineNumbers',       0)
+let g:NERDTreeSortDirs              = get(g:, 'NERDTreeSortDirs',              1)
+let g:NERDTreeFileLines             = get(g:, 'NERDTreeFileLines',             0)

-"SECTION: Init variable calls and other random constants {{{2
-call s:initVariable('g:NERDTreeAutoCenter', 1)
-call s:initVariable('g:NERDTreeAutoCenterThreshold', 3)
-call s:initVariable('g:NERDTreeCaseSensitiveSort', 0)
-call s:initVariable('g:NERDTreeNaturalSort', 0)
-call s:initVariable('g:NERDTreeSortHiddenFirst', 1)
-call s:initVariable('g:NERDTreeUseTCD', 0)
-call s:initVariable('g:NERDTreeChDirMode', 0)
-call s:initVariable('g:NERDTreeCreatePrefix', 'silent')
-call s:initVariable('g:NERDTreeMinimalUI', 0)
-call s:initVariable('g:NERDTreeMinimalMenu', 0)
-if !exists('g:NERDTreeIgnore')
-    let g:NERDTreeIgnore = ['\~$']
-endif
-call s:initVariable('g:NERDTreeBookmarksFile', expand('$HOME') . '/.NERDTreeBookmarks')
-call s:initVariable('g:NERDTreeBookmarksSort', 1)
-call s:initVariable('g:NERDTreeHighlightCursorline', 1)
-call s:initVariable('g:NERDTreeHijackNetrw', 1)
-call s:initVariable('g:NERDTreeMarkBookmarks', 1)
-call s:initVariable('g:NERDTreeMouseMode', 1)
-call s:initVariable('g:NERDTreeNotificationThreshold', 100)
-call s:initVariable('g:NERDTreeQuitOnOpen', 0)
-call s:initVariable('g:NERDTreeRespectWildIgnore', 0)
-call s:initVariable('g:NERDTreeShowBookmarks', 0)
-call s:initVariable('g:NERDTreeShowFiles', 1)
-call s:initVariable('g:NERDTreeShowHidden', 0)
-call s:initVariable('g:NERDTreeShowLineNumbers', 0)
-call s:initVariable('g:NERDTreeSortDirs', 1)

 if !nerdtree#runningWindows() && !nerdtree#runningCygwin()
-    call s:initVariable('g:NERDTreeDirArrowExpandable', '▸')
-    call s:initVariable('g:NERDTreeDirArrowCollapsible', '▾')
+    let g:NERDTreeDirArrowExpandable  = get(g:, 'NERDTreeDirArrowExpandable',  '▸')
+    let g:NERDTreeDirArrowCollapsible = get(g:, 'NERDTreeDirArrowCollapsible', '▾')
 else
-    call s:initVariable('g:NERDTreeDirArrowExpandable', '+')
-    call s:initVariable('g:NERDTreeDirArrowCollapsible', '~')
+    let g:NERDTreeDirArrowExpandable  = get(g:, 'NERDTreeDirArrowExpandable',  '+')
+    let g:NERDTreeDirArrowCollapsible = get(g:, 'NERDTreeDirArrowCollapsible', '~')
 endif

-call s:initVariable('g:NERDTreeCascadeOpenSingleChildDir', 1)
-call s:initVariable('g:NERDTreeCascadeSingleChildDir', 1)
+let g:NERDTreeCascadeOpenSingleChildDir = get(g:, 'NERDTreeCascadeOpenSingleChildDir', 1)
+let g:NERDTreeCascadeSingleChildDir     = get(g:, 'NERDTreeCascadeSingleChildDir',     1)

-if !exists('g:NERDTreeSortOrder')
-    let g:NERDTreeSortOrder = ['\/$', '*', '\.swp$',  '\.bak$', '\~$']
-endif
+let g:NERDTreeSortOrder    = get(g:, 'NERDTreeSortOrder', ['\/$', '*', '\.swp$', '\.bak$', '\~$'])
 let g:NERDTreeOldSortOrder = []

-call s:initVariable('g:NERDTreeGlyphReadOnly', 'RO')
+let g:NERDTreeGlyphReadOnly = get(g:, 'NERDTreeGlyphReadOnly', 'RO')

 if has('conceal')
-    call s:initVariable('g:NERDTreeNodeDelimiter', "\x07")
+    let g:NERDTreeNodeDelimiter = get(g:, 'NERDTreeNodeDelimiter', "\x07")
 elseif (g:NERDTreeDirArrowExpandable ==# "\u00a0" || g:NERDTreeDirArrowCollapsible ==# "\u00a0")
-    call s:initVariable('g:NERDTreeNodeDelimiter', "\u00b7")
+    let g:NERDTreeNodeDelimiter = get(g:, 'NERDTreeNodeDelimiter', "\u00b7")
 else
-    call s:initVariable('g:NERDTreeNodeDelimiter', "\u00a0")
+    let g:NERDTreeNodeDelimiter = get(g:, 'NERDTreeNodeDelimiter', "\u00a0")
 endif

-if !exists('g:NERDTreeStatusline')
+"the exists() crap here is a hack to stop vim spazzing out when
+"loading a session that was created with an open nerd tree. It spazzes
+"because it doesnt store b:NERDTree(its a b: var, and its a hash)
+let g:NERDTreeStatusline = get(g:, 'NERDTreeStatusline', "%{exists('b:NERDTree')?b:NERDTree.root.path.str():''}")

-    "the exists() crap here is a hack to stop vim spazzing out when
-    "loading a session that was created with an open nerd tree. It spazzes
-    "because it doesnt store b:NERDTree(its a b: var, and its a hash)
-    let g:NERDTreeStatusline = "%{exists('b:NERDTree')?b:NERDTree.root.path.str():''}"
-
-endif
-call s:initVariable('g:NERDTreeWinPos', 'left')
-call s:initVariable('g:NERDTreeWinSize', 31)
+let g:NERDTreeWinPos  = get(g:, 'NERDTreeWinPos', 'left')
+let g:NERDTreeWinSize = get(g:, 'NERDTreeWinSize', 31)

 "init the shell commands that will be used to copy nodes, and remove dir trees
-"
 "Note: the space after the command is important
 if nerdtree#runningWindows()
-    call s:initVariable('g:NERDTreeRemoveDirCmd', 'rmdir /s /q ')
-    call s:initVariable('g:NERDTreeCopyDirCmd', 'xcopy /s /e /i /y /q ')
-    call s:initVariable('g:NERDTreeCopyFileCmd', 'copy /y ')
+    let g:NERDTreeRemoveDirCmd = get(g:, 'NERDTreeRemoveDirCmd', 'rmdir /s /q ')
+    let g:NERDTreeCopyDirCmd   = get(g:, 'NERDTreeCopyDirCmd',   'xcopy /s /e /i /y /q ')
+    let g:NERDTreeCopyFileCmd  = get(g:, 'NERDTreeCopyFileCmd',  'copy /y ')
 else
-    call s:initVariable('g:NERDTreeRemoveDirCmd', 'rm -rf ')
-    call s:initVariable('g:NERDTreeCopyCmd', 'cp -r ')
+    let g:NERDTreeRemoveDirCmd = get(g:, 'NERDTreeRemoveDirCmd', 'rm -rf ')
+    let g:NERDTreeCopyCmd      = get(g:, 'NERDTreeCopyCmd',      'cp -r ')
 endif

-
 "SECTION: Init variable calls for key mappings {{{2
-call s:initVariable('g:NERDTreeMapCustomOpen', '<CR>')
-call s:initVariable('g:NERDTreeMapActivateNode', 'o')
-call s:initVariable('g:NERDTreeMapChangeRoot', 'C')
-call s:initVariable('g:NERDTreeMapChdir', 'cd')
-call s:initVariable('g:NERDTreeMapCloseChildren', 'X')
-call s:initVariable('g:NERDTreeMapCloseDir', 'x')
-call s:initVariable('g:NERDTreeMapDeleteBookmark', 'D')
-call s:initVariable('g:NERDTreeMapMenu', 'm')
-call s:initVariable('g:NERDTreeMapHelp', '?')
-call s:initVariable('g:NERDTreeMapJumpFirstChild', 'K')
-call s:initVariable('g:NERDTreeMapJumpLastChild', 'J')
-call s:initVariable('g:NERDTreeMapJumpNextSibling', '<C-j>')
-call s:initVariable('g:NERDTreeMapJumpParent', 'p')
-call s:initVariable('g:NERDTreeMapJumpPrevSibling', '<C-k>')
-call s:initVariable('g:NERDTreeMapJumpRoot', 'P')
-call s:initVariable('g:NERDTreeMapOpenExpl', 'e')
-call s:initVariable('g:NERDTreeMapOpenInTab', 't')
-call s:initVariable('g:NERDTreeMapOpenInTabSilent', 'T')
-call s:initVariable('g:NERDTreeMapOpenRecursively', 'O')
-call s:initVariable('g:NERDTreeMapOpenSplit', 'i')
-call s:initVariable('g:NERDTreeMapOpenVSplit', 's')
-call s:initVariable('g:NERDTreeMapPreview', 'g' . NERDTreeMapActivateNode)
-call s:initVariable('g:NERDTreeMapPreviewSplit', 'g' . NERDTreeMapOpenSplit)
-call s:initVariable('g:NERDTreeMapPreviewVSplit', 'g' . NERDTreeMapOpenVSplit)
-call s:initVariable('g:NERDTreeMapQuit', 'q')
-call s:initVariable('g:NERDTreeMapRefresh', 'r')
-call s:initVariable('g:NERDTreeMapRefreshRoot', 'R')
-call s:initVariable('g:NERDTreeMapToggleBookmarks', 'B')
-call s:initVariable('g:NERDTreeMapToggleFiles', 'F')
-call s:initVariable('g:NERDTreeMapToggleFilters', 'f')
-call s:initVariable('g:NERDTreeMapToggleHidden', 'I')
-call s:initVariable('g:NERDTreeMapToggleZoom', 'A')
-call s:initVariable('g:NERDTreeMapUpdir', 'u')
-call s:initVariable('g:NERDTreeMapUpdirKeepOpen', 'U')
-call s:initVariable('g:NERDTreeMapCWD', 'CD')
-call s:initVariable('g:NERDTreeMenuDown', 'j')
-call s:initVariable('g:NERDTreeMenuUp', 'k')
+let g:NERDTreeMapCustomOpen      = get(g:, 'NERDTreeMapCustomOpen',      '<CR>')
+let g:NERDTreeMapActivateNode    = get(g:, 'NERDTreeMapActivateNode',    'o')
+let g:NERDTreeMapChangeRoot      = get(g:, 'NERDTreeMapChangeRoot',      'C')
+let g:NERDTreeMapChdir           = get(g:, 'NERDTreeMapChdir',           'cd')
+let g:NERDTreeMapCloseChildren   = get(g:, 'NERDTreeMapCloseChildren',   'X')
+let g:NERDTreeMapCloseDir        = get(g:, 'NERDTreeMapCloseDir',        'x')
+let g:NERDTreeMapDeleteBookmark  = get(g:, 'NERDTreeMapDeleteBookmark',  'D')
+let g:NERDTreeMapMenu            = get(g:, 'NERDTreeMapMenu',            'm')
+let g:NERDTreeMapHelp            = get(g:, 'NERDTreeMapHelp',            '?')
+let g:NERDTreeMapJumpFirstChild  = get(g:, 'NERDTreeMapJumpFirstChild',  'K')
+let g:NERDTreeMapJumpLastChild   = get(g:, 'NERDTreeMapJumpLastChild',   'J')
+let g:NERDTreeMapJumpNextSibling = get(g:, 'NERDTreeMapJumpNextSibling', '<C-j>')
+let g:NERDTreeMapJumpParent      = get(g:, 'NERDTreeMapJumpParent',      'p')
+let g:NERDTreeMapJumpPrevSibling = get(g:, 'NERDTreeMapJumpPrevSibling', '<C-k>')
+let g:NERDTreeMapJumpRoot        = get(g:, 'NERDTreeMapJumpRoot',        'P')
+let g:NERDTreeMapOpenExpl        = get(g:, 'NERDTreeMapOpenExpl',        'e')
+let g:NERDTreeMapOpenInTab       = get(g:, 'NERDTreeMapOpenInTab',       't')
+let g:NERDTreeMapOpenInTabSilent = get(g:, 'NERDTreeMapOpenInTabSilent', 'T')
+let g:NERDTreeMapOpenRecursively = get(g:, 'NERDTreeMapOpenRecursively', 'O')
+let g:NERDTreeMapOpenSplit       = get(g:, 'NERDTreeMapOpenSplit',       'i')
+let g:NERDTreeMapOpenVSplit      = get(g:, 'NERDTreeMapOpenVSplit',      's')
+let g:NERDTreeMapPreview         = get(g:, 'NERDTreeMapPreview',         'g'.NERDTreeMapActivateNode)
+let g:NERDTreeMapPreviewSplit    = get(g:, 'NERDTreeMapPreviewSplit',    'g'.NERDTreeMapOpenSplit)
+let g:NERDTreeMapPreviewVSplit   = get(g:, 'NERDTreeMapPreviewVSplit',   'g'.NERDTreeMapOpenVSplit)
+let g:NERDTreeMapQuit            = get(g:, 'NERDTreeMapQuit',            'q')
+let g:NERDTreeMapRefresh         = get(g:, 'NERDTreeMapRefresh',         'r')
+let g:NERDTreeMapRefreshRoot     = get(g:, 'NERDTreeMapRefreshRoot',     'R')
+let g:NERDTreeMapToggleBookmarks = get(g:, 'NERDTreeMapToggleBookmarks', 'B')
+let g:NERDTreeMapToggleFiles     = get(g:, 'NERDTreeMapToggleFiles',     'F')
+let g:NERDTreeMapToggleFilters   = get(g:, 'NERDTreeMapToggleFilters',   'f')
+let g:NERDTreeMapToggleHidden    = get(g:, 'NERDTreeMapToggleHidden',    'I')
+let g:NERDTreeMapToggleFileLines = get(g:, 'NERDTreeMapToggleFileLines', 'L')
+let g:NERDTreeMapToggleZoom      = get(g:, 'NERDTreeMapToggleZoom',      'A')
+let g:NERDTreeMapUpdir           = get(g:, 'NERDTreeMapUpdir',           'u')
+let g:NERDTreeMapUpdirKeepOpen   = get(g:, 'NERDTreeMapUpdirKeepOpen',   'U')
+let g:NERDTreeMapCWD             = get(g:, 'NERDTreeMapCWD',             'CD')
+let g:NERDTreeMenuDown           = get(g:, 'NERDTreeMenuDown',           'j')
+let g:NERDTreeMenuUp             = get(g:, 'NERDTreeMenuUp',             'k')

 "SECTION: Load class files{{{2
 call nerdtree#loadClassFiles()
@@ -169,6 +146,7 @@ call nerdtree#loadClassFiles()
 "============================================================
 call nerdtree#ui_glue#setupCommands()

+
 " SECTION: Auto commands {{{1
 "============================================================
 augroup NERDTree
@@ -217,7 +195,7 @@ endfunction

 function! NERDTreeFocus()
    if g:NERDTree.IsOpen()
-        call g:NERDTree.CursorToTreeWin()
+        call g:NERDTree.CursorToTreeWin(0)
    else
        call g:NERDTreeCreator.ToggleTabTree('')
    endif
--- a/syntax/nerdtree.vim
+++ b/syntax/nerdtree.vim
@@ -19,36 +19,40 @@ syn match NERDTreeLinkTarget #->.*# containedin=NERDTreeDir,NERDTreeFile
 syn match NERDTreeLinkFile #.* ->#me=e-3 containedin=NERDTreeFile
 syn match NERDTreeLinkDir #.*/ ->#me=e-3 containedin=NERDTreeDir

-"highlighing for directory nodes and file nodes
-syn match NERDTreeDirSlash #/# containedin=NERDTreeDir
-
-exec 'syn match NERDTreeClosable #' . escape(g:NERDTreeDirArrowCollapsible, '~') . '\ze .*/# containedin=NERDTreeDir,NERDTreeFile'
-exec 'syn match NERDTreeOpenable #' . escape(g:NERDTreeDirArrowExpandable, '~') . '\ze .*/# containedin=NERDTreeDir,NERDTreeFile'
-
-let s:dirArrows = escape(g:NERDTreeDirArrowCollapsible, '~]\-').escape(g:NERDTreeDirArrowExpandable, '~]\-')
-exec 'syn match NERDTreeDir #[^'.s:dirArrows.' ].*/#'
-syn match NERDTreeExecFile  '^ .*\*\($\| \)' contains=NERDTreeRO,NERDTreeBookmark
-exec 'syn match NERDTreeFile  #^[^"\.'.s:dirArrows.'] *[^'.s:dirArrows.']*# contains=NERDTreeLink,NERDTreeRO,NERDTreeBookmark,NERDTreeExecFile'
-
-"highlighting for readonly files
-exec 'syn match NERDTreeRO # *\zs.*\ze \['.g:NERDTreeGlyphReadOnly.'\]# contains=NERDTreeIgnore,NERDTreeBookmark,NERDTreeFile'
-
-syn match NERDTreeFlags #^ *\zs\[[^\]]*\]# containedin=NERDTreeFile,NERDTreeExecFile
-syn match NERDTreeFlags #\[[^\]]*\]# containedin=NERDTreeDir
-
-"highlighing to conceal the delimiter around the file/dir name
+"highlighting to conceal the delimiter around the file/dir name
 if has('conceal')
    exec 'syn match NERDTreeNodeDelimiters #\%d' . char2nr(g:NERDTreeNodeDelimiter) . '# conceal containedin=ALL'
-    setlocal conceallevel=3 concealcursor=nvic
+    setlocal conceallevel=2 concealcursor=nvic
 else
    exec 'syn match NERDTreeNodeDelimiters #\%d' . char2nr(g:NERDTreeNodeDelimiter) . '# containedin=ALL'
    hi! link NERDTreeNodeDelimiters Ignore
 endif

+"highlighting for directory nodes and file nodes
+syn match NERDTreeDirSlash #/# containedin=NERDTreeDir
+
+if g:NERDTreeDirArrowExpandable !=# ''
+    exec 'syn match NERDTreeClosable #' . escape(g:NERDTreeDirArrowCollapsible, '~') . '\ze .*/# containedin=NERDTreeDir,NERDTreeFile'
+    exec 'syn match NERDTreeOpenable #' . escape(g:NERDTreeDirArrowExpandable, '~') . '\ze .*/# containedin=NERDTreeDir,NERDTreeFile'
+    let s:dirArrows = escape(g:NERDTreeDirArrowCollapsible, '~]\-').escape(g:NERDTreeDirArrowExpandable, '~]\-')
+    exec 'syn match NERDTreeDir #[^'.s:dirArrows.' ].*/#'
+    exec 'syn match NERDTreeExecFile #^.*'.g:NERDTreeNodeDelimiter.'\*\($\| \)# contains=NERDTreeRO,NERDTreeBookmarkName'
+    exec 'syn match NERDTreeFile  #^[^"\.'.s:dirArrows.'] *[^'.s:dirArrows.']*# contains=NERDTreeLink,NERDTreeRO,NERDTreeBookmarkName,NERDTreeExecFile'
+else
+    exec 'syn match NERDTreeDir #[^'.g:NERDTreeNodeDelimiter.']\{-}/\ze\($\|'.g:NERDTreeNodeDelimiter.'\)#'
+    exec 'syn match NERDTreeExecFile #[^'.g:NERDTreeNodeDelimiter.']\{-}'.g:NERDTreeNodeDelimiter.'\*\($\| \)# contains=NERDTreeRO,NERDTreeBookmarkName'
+    exec 'syn match NERDTreeFile     #^.*'.g:NERDTreeNodeDelimiter.'.*[^\/]\($\|'.g:NERDTreeNodeDelimiter.'.*\)# contains=NERDTreeLink,NERDTreeRO,NERDTreeBookmarkName,NERDTreeExecFile'
+endif
+
+"highlighting for readonly files
+exec 'syn match NERDTreeRO #.*'.g:NERDTreeNodeDelimiter.'\zs.*\ze'.g:NERDTreeNodeDelimiter.'.*\['.g:NERDTreeGlyphReadOnly.'\]# contains=NERDTreeIgnore,NERDTreeBookmarkName,NERDTreeFile'
+
+exec 'syn match NERDTreeFlags #\[[^\]]*\]\ze'.g:NERDTreeNodeDelimiter.'# containedin=NERDTreeFile,NERDTreeExecFile,NERDTreeLinkFile,NERDTreeRO,NERDTreeDir'
+
 syn match NERDTreeCWD #^[</].*$#

 "highlighting for bookmarks
-syn match NERDTreeBookmark # {.*}#hs=s+1
+syn match NERDTreeBookmarkName # {.*}#hs=s+2,he=e-1

 "highlighting for the bookmarks table
 syn match NERDTreeBookmarksLeader #^>#
@@ -89,3 +93,5 @@ hi def link NERDTreeBookmark Statement
 hi def link NERDTreeFlags Number

 hi def link NERDTreeCurrentNode Search
+
+hi NERDTreeFile ctermbg=NONE guibg=NONE