change version to 2.9.0

adds :NERDTreeClose command and sets the filetype for the tree buffer to
"nerdtree"

.gitignore

@@ -0,0 +1,3 @@
+*~
+*.swp
+tags

Rakefile

@@ -0,0 +1,18 @@
+desc "Copy the vim/doc files into ~/.vim"
+task :deploy_local do
+  run "cp plugin/NERD_tree.vim ~/.vim/plugin"
+  run "cp doc/NERD_tree.txt ~/.vim/doc"
+end
+
+
+desc "Create a zip archive for release to vim.org"
+task :zip do
+  abort "NERD_tree.zip already exists, aborting" if File.exist?("NERD_tree.zip")
+  run "zip NERD_tree.zip plugin/NERD_tree.vim doc/NERD_tree.txt"
+end
+
+def run(cmd)
+  puts "Executing: #{cmd}"
+  system cmd
+end
+

doc/NERD_tree.txt

@@ -63,7 +63,8 @@ The following features and functionality are provided by the NERD tree:
         * optional displaying of hidden files (. files)
         * files can be "turned off" so that only directories are displayed
     * A textual filesystem menu is provided which allows you to
-      create/delete/rename file and directory nodes
+      create/delete/rename file and directory nodes as well as copy (for
+      supported OSs)
     * The position and size of the NERD tree window can be customised 
     * The order in which the nodes in the tree are listed can be customised.
     * A model of your filesystem is created/maintained as you explore it. This
@@ -95,6 +96,9 @@ The following features and functionality are provided by the NERD tree:
                 rendered again.  If no NERD tree exists for this tab then this
                 command acts the same as the |:NERDTree| command.
 
+:NERDTreeClose
+                Close the NERD tree in this tab.
+
 ------------------------------------------------------------------------------
 2.2. NERD tree Mappings                                     *NERDTreeMappings*
 
@@ -477,6 +481,9 @@ NERD tree. These options should be set in your vimrc.
 |NERDTreeShowHidden|            Tells the NERD tree whether to display hidden
                                 files on startup.
 
+|NERDTreeShowLineNumbers|       Tells the NERD tree whether to display line
+                                numbers in the tree window.
+
 |NERDTreeSortOrder|             Tell the NERD tree how to sort the nodes in
                                 the tree.
 
@@ -578,10 +585,6 @@ the CWD is changed whenever the tree root is changed. For example, if the CWD
 is /home/marty/foobar and you make the node for /home/marty/foobar/baz the new
 root then the CWD will become /home/marty/foobar/baz.
 
-Note to windows users: it is highly recommended that you have this option set
-to either 1 or 2 or else the script wont function properly if you attempt to
-open a NERD tree on a different drive to the one vim is currently in.
-
 Authors note: at work i have this option set to 1 because i have a giant ctags
 file in the root dir of my project. This way i can initialise the NERD tree
 with the root dir of my project and always have ctags available to me --- no
@@ -658,6 +661,17 @@ Use one of the follow lines to set this option: >
     let NERDTreeShowHidden=0
     let NERDTreeShowHidden=1
 <
+
+------------------------------------------------------------------------------
+                                                     *NERDTreeShowLineNumbers*
+Values: 0 or 1.
+Default: 0.
+
+This option tells vim whether to display line numbers for the NERD tree
+window.  Use one of the follow lines to set this option: >
+    let NERDTreeShowLineNumbers=0
+    let NERDTreeShowLineNumbers=1
+<
                                                        
 ------------------------------------------------------------------------------
                                                            *NERDTreeSortOrder*
@@ -688,7 +702,7 @@ Other examples: >
     (3) ['\/$', '\.rb$', '\.php$', '*', '\.swp$',  '\.bak$', '\~$']
 <
 1. Directories will appear last, everything else will appear above.
-2. Every will simply appear in alphabetical order.
+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.
 
@@ -770,6 +784,22 @@ fridge for later ;)
 ==============================================================================
 7. Changelog                                               *NERDTreeChangelog* 
 
+2.9.0
+
+    - path handling improvements, thanks to Zhang Shuhan for heaps of
+      testing/bug reports
+        * improved how paths are stored, now the script will no longer get
+          confused about drives on MF Windows
+        * made the script way better at handling paths with strange characters
+          in them (eg '$@; etc)
+    - applied a patch from Cory Echols
+        * add the command :NERDTreeClose to close the tree for the current tab
+        * set the filetype for the NERD tree buffer to "nerdtree"
+
+2.8.0
+    - added an option to enable/disable line numbers in the NERD tree window,
+      thanks to Olivier Yiptong for the email.
+
 2.7.1
     - Changed the keys for the filesystem menu to be mnemonic rather than
       arbitrary integers
@@ -978,3 +1008,9 @@ in 2.6.0
 Thanks to  Niels Aan de Brugh for the suggestion that the script now split the
 window if you try to open a file in a window containing a modified buffer when
 the &hidden option is set.
+
+Thanks to Olivier Yiptong for prompting me to make line numbers in the
+NERD tree window optional.
+
+Thanks to Zhang Shuhan for all of his emails and testing to help improve the
+NERD tree path handling.

plugin/NERD_tree.vim

@@ -1,7 +1,7 @@
 " vim global plugin that provides a nice tree explorer
-" Last Change:  18 jan 2008
+" Last Change:  17 May 2008
 " Maintainer:   Martin Grenfell <martin_grenfell at msn dot com>
-let s:NERD_tree_version = '2.7.1'
+let s:NERD_tree_version = '2.9.0'
 
 " SECTION: Script init stuff {{{1
 "============================================================
@@ -43,8 +43,9 @@ endif
 call s:InitVariable("g:NERDTreeHighlightCursorline", 1)
 call s:InitVariable("g:NERDTreeMouseMode", 1)
 call s:InitVariable("g:NERDTreeNotificationThreshold", 100)
-call s:InitVariable("g:NERDTreeShowHidden", 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 !exists("g:NERDTreeSortOrder")
@@ -109,7 +110,7 @@ call s:InitVariable("g:NERDTreeMapUpdir", "u")
 call s:InitVariable("g:NERDTreeMapUpdirKeepOpen", "U")
 
 "SECTION: Script level variable declaration{{{2
-let s:escape_chars =  " `|\"~'#"
+let s:escape_chars =  " \\`\|\"#%&,?()\*^<>"
 let s:NERDTreeWinName = '_NERD_tree_'
 
 "init all the nerd tree markup 
@@ -138,6 +139,7 @@ endif
 "init the command that users start the nerd tree with 
 command! -n=? -complete=dir NERDTree :call s:InitNerdTree('<args>')
 command! -n=? -complete=dir NERDTreeToggle :call s:Toggle('<args>')
+command! -n=0 NERDTreeClose :call s:CloseTreeIfOpen()
 " SECTION: Auto commands {{{1
 "============================================================
 "Save the cursor position whenever we close the nerd tree
@@ -307,7 +309,8 @@ endfunction
 "FUNCTION: oTreeFileNode.Rename {{{3 
 "Calls the rename method for this nodes path obj 
 function! s:oTreeFileNode.Rename(newName) dict
-    call self.path.Rename(a:newName)
+    let newName = substitute(a:newName, '\(\\\|\/\)$', '', '')
+    call self.path.Rename(newName)
     call self.parent.RemoveChild(self)
 
     let parentPath = self.path.GetPathTrunk()
@@ -317,7 +320,6 @@ function! s:oTreeFileNode.Rename(newName) dict
         call newParent.CreateChild(self.path, 1)
     endif
 endfunction
-
 "FUNCTION: oTreeFileNode.StrDisplay() {{{3 
 "
 "Returns a string that specifies how the node should be represented as a
@@ -552,7 +554,7 @@ function! s:oTreeDirNode.InitChildren(silent) dict
 
     "get an array of all the files in the nodes dir 
     let dir = self.path
-    let filesStr = globpath(dir.StrForOS(0), '*') . "\n" . globpath(dir.StrForOS(0), '.*')
+    let filesStr = globpath(dir.StrForGlob(), '*') . "\n" . globpath(dir.StrForGlob(), '.*')
     let files = split(filesStr, "\n")
 
     if !a:silent && len(files) > g:NERDTreeNotificationThreshold
@@ -562,8 +564,10 @@ function! s:oTreeDirNode.InitChildren(silent) dict
     let invalidFilesFound = 0
     for i in files
 
-        "filter out the .. and . directories 
-        if i !~ '\.\.$' && i !~ '\.$'
+        "filter out the .. and . directories
+        "Note: we must match .. AND ../ cos sometimes the globpath returns
+        "../ for path with strange chars (eg $)
+        if i !~ '\.\.\/\?$' && i !~ '\.\/\?$'
 
             "put the next file in a new node and attach it 
             try
@@ -661,7 +665,7 @@ function! s:oTreeDirNode.Refresh() dict
 
     "go thru all the files/dirs under this node 
     let dir = self.path
-    let filesStr = globpath(dir.StrForOS(0), '*') . "\n" . globpath(dir.StrForOS(0), '.*')
+    let filesStr = globpath(dir.StrForGlob(), '*') . "\n" . globpath(dir.StrForGlob(), '.*')
     let files = split(filesStr, "\n")
     for i in files
         if i !~ '\.\.$' && i !~ '\.$'
@@ -769,9 +773,9 @@ let s:oPath = {}
 let oPath = s:oPath
 "FUNCTION: oPath.ChangeToDir() {{{3 
 function! s:oPath.ChangeToDir() dict
-    let dir = self.Str(1)
+    let dir = self.StrForCd()
     if self.isDirectory == 0
-        let dir = self.GetPathTrunk().Str(1)
+        let dir = self.GetPathTrunk().StrForCd()
     endif
 
     try
@@ -847,27 +851,24 @@ function! s:oPath.Create(fullpath) dict
         throw "NERDTree.Path.Exists Exception: Directory Exists: '" . a:fullpath . "'"
     endif
 
-    "get the unix version of the input path 
-    let fullpath = s:oPath.WinToUnixPath(a:fullpath)
-
     try 
 
         "if it ends with a slash, assume its a dir create it 
-        if fullpath =~ '\/$'
+        if a:fullpath =~ '\(\\\|\/\)$'
             "whack the trailing slash off the end if it exists 
-            let fullpath = substitute(fullpath, '\/$', '', '')
+            let fullpath = substitute(a:fullpath, '\(\\\|\/\)$', '', '')
 
             call mkdir(fullpath, 'p')
 
         "assume its a file and create 
         else
-            call writefile([], fullpath)
+            call writefile([], a:fullpath)
         endif
     catch /.*/
         throw "NERDTree.Path Exception: Could not create path: '" . a:fullpath . "'"
     endtry
 
-    return s:oPath.New(fullpath)
+    return s:oPath.New(a:fullpath)
 endfunction
 
 "FUNCTION: oPath.Copy(dest) {{{3 
@@ -886,7 +887,7 @@ function! s:oPath.Copy(dest) dict
     let cmd = g:NERDTreeCopyCmd . " " . self.StrForOS(0) . " " . dest
     let success = system(cmd)
     if success != 0
-        throw "NERDTree.Path Exception: Could not copy ''". self.StrForOS() ."'' to: '" . a:dest . "'"
+        throw "NERDTree.Path Exception: Could not copy ''". self.StrForOS(0) ."'' to: '" . a:dest . "'"
     endif
 endfunction
 
@@ -932,7 +933,7 @@ function! s:oPath.Delete() dict
             "if we are runnnig windows then put quotes around the pathstring 
             let cmd = g:NERDTreeRemoveDirCmd . self.StrForOS(1)
         else
-            let cmd = g:NERDTreeRemoveDirCmd . self.StrForOS(0)
+            let cmd = g:NERDTreeRemoveDirCmd . self.StrForOS(1)
         endif
         let success = system(cmd)
 
@@ -940,13 +941,24 @@ function! s:oPath.Delete() dict
             throw "NERDTree.Path.Deletion Exception: Could not delete directory: '" . self.StrForOS(0) . "'"
         endif
     else
-        let success = delete(self.Str(0))
+        let success = delete(self.StrForOS(!s:running_windows))
         if success != 0
             throw "NERDTree.Path.Deletion Exception: Could not delete file: '" . self.Str(0) . "'"
         endif
     endif
 endfunction
 
+"FUNCTION: oPath.ExtractDriveLetter(fullpath) {{{3 
+"
+"If running windows, cache the drive letter for this path
+function! s:oPath.ExtractDriveLetter(fullpath) dict
+    if s:running_windows
+        let self.drive = substitute(a:fullpath, '\(^[a-zA-Z]:\).*', '\1', '')
+    else
+        let self.drive = ''
+    endif
+
+endfunction
 "FUNCTION: oPath.GetDir() {{{3 
 "
 "Returns this path if it is a directory, else this paths parent.
@@ -972,8 +984,6 @@ function! s:oPath.GetParent() dict
     let path = '/'. join(self.pathSegments[0:-2], '/')
     return s:oPath.New(path)
 endfunction
-
-
 "FUNCTION: oPath.GetLastPathComponent(dirSlash) {{{3 
 "
 "Gets the last part of this path.   
@@ -995,7 +1005,7 @@ endfunction
 "FUNCTION: oPath.GetPathTrunk() {{{3 
 "Gets the path without the last segment on the end.
 function! s:oPath.GetPathTrunk() dict
-    return s:oPath.New('/' . join(self.pathSegments[0:-2], '/'))
+    return s:oPath.New(self.StrTrunk())
 endfunction
 
 "FUNCTION: oPath.GetSortOrderIndex() {{{3 
@@ -1048,15 +1058,13 @@ endfunction
 
 "FUNCTION: oPath.Equals() {{{3 
 "
-"Determines whether 2 path objecs are "equal".
+"Determines whether 2 path objects are "equal".
 "They are equal if the paths they represent are the same
 "
 "Args:
 "path: the other path obj to compare this with
 function! s:oPath.Equals(path) dict
-    let this = self.ChopTrailingSlash(self.Str(1))
-    let that = self.ChopTrailingSlash(a:path.Str(1))
-    return this == that
+    return self.Str(0) == a:path.Str(0)
 endfunction
 
 "FUNCTION: oPath.New() {{{3 
@@ -1071,35 +1079,25 @@ function! s:oPath.New(fullpath) dict
     return newPath
 endfunction
 
-"FUNCTION: oPath.NewMinimal() {{{3 
-function! s:oPath.NewMinimal(fullpath) dict
-    let newPath = copy(self)
-    let fullpath = s:oPath.WinToUnixPath(a:fullpath)
-
-    let newPath.pathSegments = split(fullpath, '/')
-    
-    let newPath.isDirectory = isdirectory(fullpath)
-
-    return newPath
-endfunction
-
 "FUNCTION: oPath.ReadInfoFromDisk(fullpath) {{{3 
 "
 "
 "Throws NERDTree.Path.InvalidArguments exception.
 function! s:oPath.ReadInfoFromDisk(fullpath) dict
+    call self.ExtractDriveLetter(a:fullpath)
+
     let fullpath = s:oPath.WinToUnixPath(a:fullpath)
 
     let self.pathSegments = split(fullpath, '/')
 
     let self.isReadOnly = 0
-    if isdirectory(fullpath)
+    if isdirectory(a:fullpath)
         let self.isDirectory = 1
-    elseif filereadable(fullpath)
+    elseif filereadable(a:fullpath)
         let self.isDirectory = 0
-        let self.isReadOnly = filewritable(fullpath) == 0
+        let self.isReadOnly = filewritable(a:fullpath) == 0
     else
-        throw "NERDTree.Path.InvalidArguments Exception: Invalid path = " . fullpath
+        throw "NERDTree.Path.InvalidArguments Exception: Invalid path = " . a:fullpath
     endif
 
     "grab the last part of the path (minus the trailing slash) 
@@ -1128,7 +1126,7 @@ endfunction
 
 "FUNCTION: oPath.Refresh() {{{3 
 function! s:oPath.Refresh() dict
-    call self.ReadInfoFromDisk(self.Str(0))
+    call self.ReadInfoFromDisk(self.StrForOS(0))
 endfunction
 
 "FUNCTION: oPath.Rename() {{{3 
@@ -1139,11 +1137,11 @@ function! s:oPath.Rename(newPath) dict
         throw "NERDTree.Path.InvalidArguments exception. Invalid newPath for renaming = ". a:newPath
     endif
 
-    let success =  rename(self.Str(0), a:newPath)
+    let success =  rename(self.StrForOS(!s:running_windows), a:newPath)
     if success != 0
-        throw "NERDTree.Path.Rename Exception: Could not rename: '" . self.Str(0) . "'" . 'to:' . a:newPath
+        throw "NERDTree.Path.Rename Exception: Could not rename: '" . self.StrForOS(0) . "'" . 'to:' . a:newPath
     endif
-    let self.pathSegments = split(a:newPath, '/')
+    call self.ReadInfoFromDisk(a:newPath)
 endfunction
 
 "FUNCTION: oPath.Str(esc) {{{3 
@@ -1174,6 +1172,19 @@ function! s:oPath.StrAbs() dict
     return resolve(self.Str(1))
 endfunction
 
+"FUNCTION: oPath.StrForCd() {{{3
+"
+" returns a string that can be used with :cd
+"
+"Return:
+"a string that can be used in the view to represent this path
+function! s:oPath.StrForCd() dict
+    if s:running_windows
+        return self.StrForOS(0)
+    else
+        return self.StrForOS(1)
+    endif
+endfunction
 "FUNCTION: oPath.StrDisplay() {{{3 
 "
 "Returns a string that specifies how the path should be represented as a
@@ -1207,6 +1218,22 @@ function! s:oPath.StrForEditCmd() dict
     endif
 
 endfunction
+"FUNCTION: oPath.StrForGlob() {{{3
+function! s:oPath.StrForGlob() dict
+    let lead = s:os_slash
+
+    "if we are running windows then slap a drive letter on the front
+    if s:running_windows
+        let lead = self.drive . '\'
+    endif
+
+    let toReturn = lead . join(self.pathSegments, s:os_slash)
+
+    if !s:running_windows
+        let toReturn = escape(toReturn, s:escape_chars)
+    endif
+    return toReturn
+endfunction
 "FUNCTION: oPath.StrForOS(esc) {{{3 
 "
 "Gets the string path for this path object that is appropriate for the OS.
@@ -1221,7 +1248,7 @@ function! s:oPath.StrForOS(esc) dict
 
     "if we are running windows then slap a drive letter on the front 
     if s:running_windows
-        let lead = strpart(getcwd(), 0, 2) . s:os_slash
+        let lead = self.drive . '\'
     endif
 
     let toReturn = lead . join(self.pathSegments, s:os_slash)
@@ -1239,7 +1266,7 @@ endfunction
 "FUNCTION: oPath.StrTrunk() {{{3 
 "Gets the path without the last segment on the end.
 function! s:oPath.StrTrunk() dict
-    return '/' . join(self.pathSegments[0:-2], '/')
+    return self.drive . '/' . join(self.pathSegments[0:-2], '/')
 endfunction
 
 "FUNCTION: oPath.WinToUnixPath(pathstr){{{3
@@ -1311,7 +1338,9 @@ function! s:InitNerdTree(dir)
     let dir = a:dir == '' ? expand('%:p:h') : a:dir
     let dir = resolve(dir)
 
-    if !isdirectory(dir)
+    let path = s:oPath.New(dir)
+
+    if !path.isDirectory
         call s:EchoWarning("Error reading: " . dir)
         return
     endif
@@ -1319,7 +1348,7 @@ function! s:InitNerdTree(dir)
     "if instructed to, then change the vim CWD to the dir the NERDTree is
     "inited in 
     if g:NERDTreeChDirMode != 0
-        exec "cd " . dir
+        exec 'cd ' . path.StrForCd()
     endif
 
     let t:treeShowHelp = 0
@@ -1332,7 +1361,6 @@ function! s:InitNerdTree(dir)
         unlet t:NERDTreeRoot
     endif
 
-	let path = s:oPath.New(dir)
     let t:NERDTreeRoot = s:oTreeDirNode.New(path)
     call t:NERDTreeRoot.Open()
 
@@ -1403,7 +1431,13 @@ function! s:CenterView()
         endif
     endif
 endfunction
-
+"FUNCTION: s:CloseTreeIfOpen() {{{2
+"Closes the NERD tree window if it is open
+function! s:CloseTreeIfOpen()
+   if s:IsTreeOpen()
+      call s:CloseTree()
+   endif
+endfunction
 "FUNCTION: s:CloseTree() {{{2 
 "Closes the NERD tree window
 function! s:CloseTree()
@@ -1442,23 +1476,29 @@ function! s:CreateTreeWin()
     setlocal foldcolumn=0
     setlocal nobuflisted
     setlocal nospell
-    setlocal nonu
+    if g:NERDTreeShowLineNumbers
+        setlocal nu
+    else
+        setlocal nonu
+    endif
+
     iabc <buffer>
 
     if g:NERDTreeHighlightCursorline
         setlocal cursorline
     endif
 
-    " syntax highlighting
-    if has("syntax") && exists("g:syntax_on") && !has("syntax_items")
-        call s:SetupSyntaxHighlighting()
-    endif
 
     " for line continuation
     let cpo_save1 = &cpo
     set cpo&vim
 
     call s:BindMappings()
+    setfiletype nerdtree
+    " syntax highlighting
+    if has("syntax") && exists("g:syntax_on") && !has("syntax_items")
+        call s:SetupSyntaxHighlighting()
+    endif
 endfunction
 
 "FUNCTION: s:DrawTree {{{2 
@@ -1766,8 +1806,9 @@ function! s:GetPath(ln)
             endif
         endif
     endwhile
-    let curFile = dir . curFile
-    return s:oPath.NewMinimal(curFile)
+    let curFile = t:NERDTreeRoot.path.drive . dir . curFile
+    let toReturn = s:oPath.New(curFile)
+    return toReturn
 endfunction 
 
 "FUNCTION: s:GetSelectedDir() {{{2 
@@ -1965,7 +2006,7 @@ function! s:OpenNodeSplit(treenode)
     try
         exec("silent " . splitMode." sp " . a:treenode.path.StrForEditCmd())
     catch /^Vim\%((\a\+)\)\=:E37/
-		call s:PutCursorInTreeWin()
+        call s:PutCursorInTreeWin()
         throw "NERDTree.view.FileOpen exception: ". a:treenode.path.Str(0) ." is already open and modified."
     catch /^Vim\%((\a\+)\)\=:/
         do nothing 
@@ -2019,11 +2060,11 @@ endfunction
 "FUNCTION: s:PutCursorInTreeWin(){{{2
 "Places the cursor in the nerd tree window
 function! s:PutCursorInTreeWin() 
-	if !s:IsTreeOpen()
-		throw "NERDTree.view.InvalidOperation Exception: No NERD tree window exists"
-	endif
+    if !s:IsTreeOpen()
+        throw "NERDTree.view.InvalidOperation Exception: No NERD tree window exists"
+    endif
 
-	exec s:GetTreeWinNum() . "wincmd w"
+    exec s:GetTreeWinNum() . "wincmd w"
 endfunction
 
 "FUNCTION: s:RenderView {{{2 
@@ -2579,7 +2620,7 @@ function! s:InsertNewNode()
     let newNodeName = input("Add a childnode\n".
                           \ "==========================================================\n". 
                           \ "Enter the dir/file name to be created. Dirs end with a '/'\n" . 
-                          \ "", curDirNode.path.Str(0))
+                          \ "", curDirNode.path.StrForGlob() . s:os_slash)
     
     if newNodeName == ''
         call s:Echo("Node Creation Aborted.")
@@ -2588,7 +2629,6 @@ function! s:InsertNewNode()
 
     try
         let newPath = s:oPath.Create(newNodeName)
-
         let parentNode = t:NERDTreeRoot.FindNode(newPath.GetPathTrunk())
 
         let newTreeNode = s:oTreeFileNode.New(newPath)
@@ -2787,15 +2827,13 @@ function! s:RenameCurrent()
     let newNodePath = input("Rename the current node\n" .
                           \ "==========================================================\n" . 
                           \ "Enter the new path for the node:                          \n" . 
-                          \ "", curNode.path.Str(0))
+                          \ "", curNode.path.StrForOS(0))
     
     if newNodePath == ''
         call s:Echo("Node Renaming Aborted.")
         return
     endif
 
-    let newNodePath = substitute(newNodePath, '\/$', '', '')
-
     try
         let bufnum = bufnr(curNode.path.Str(0))
 
@@ -2805,7 +2843,7 @@ function! s:RenameCurrent()
         "if the node is open in a buffer, ask the user if they want to
         "close that buffer 
         if bufnum != -1
-            let prompt = "|\n|Node renamed.\n|\n|The old file is open in buffer ". bufnum . (bufwinnr(bufnum) == -1 ? " (hidden)" : "") .". Delete this buffer? (yN)"
+            let prompt = "\nNode renamed.\n\nThe old file is open in buffer ". bufnum . (bufwinnr(bufnum) == -1 ? " (hidden)" : "") .". Delete this buffer? (yN)"
             call s:PromptToDelBuffer(bufnum, prompt)
         endif
 
@@ -2832,13 +2870,13 @@ function! s:ShowFileSystemMenu()
        \ " (a)dd a childnode\n".
        \ " (m)ove the current node\n".
        \ " (d)elete the current node\n"
-	if s:oPath.CopyingSupported() 
-		let prompt = prompt . " (c)opy the current node\n\n"
-	else
-		let prompt = prompt . " \n"
-	endif
+    if s:oPath.CopyingSupported()
+        let prompt = prompt . " (c)opy the current node\n\n"
+    else
+        let prompt = prompt . " \n"
+    endif
 
-	echo prompt
+    echo prompt
 
     let choice = nr2char(getchar())