switch to version 3.0.0

if we were using e on the current dir (or a file in that dir) then we
would end up doing an ":edit" with no target. Now we use "." in
Path#strForEditCmd if it would resolve to an empty string

doc/NERD_tree.txt

@@ -31,7 +31,7 @@ CONTENTS                                                   *NERDTree-contents*
     3.Options.................................|NERDTreeOptions|
         3.1 Option summary....................|NERDTreeOptionSummary|
         3.2 Option details....................|NERDTreeOptionDetails|
-    4.Public functions........................|NERDTreePublicFunctions|
+    4.Hacking the NERD tree...................|NERDTreeHacking|
     5.TODO list...............................|NERDTreeTodo|
     6.The Author..............................|NERDTreeAuthor|
     7.Changelog...............................|NERDTreeChangelog|
@@ -65,7 +65,7 @@ The following features and functionality are provided by the NERD tree:
         * ...
     * Directories and files can be bookmarked.
     * Most NERD tree navigation can also be done with the mouse
-    * Dynamic customisation of tree content
+    * Filtering of tree content (can be toggled at runtime)
         * custom file filters to prevent e.g. vim backup files being displayed
         * optional displaying of hidden files (. files)
         * files can be "turned off" so that only directories are displayed
@@ -81,9 +81,13 @@ The following features and functionality are provided by the NERD tree:
           session, the directory nodes will be opened/closed as you left them
     * The script remembers the cursor position and window position in the NERD
       tree so you can toggle it off (or just close the tree window) and then
-      reopen it (with NERDTreeToggle) the NERD tree window will appear EXACTLY
+      reopen it (with NERDTreeToggle) the NERD tree window will appear exactly
       as you left it
-    * You can have a separate NERD tree for each tab
+    * You can have a separate NERD tree for each tab, share trees across tabs,
+      or a mix of both.
+    * By default the script overrides the default file browser (netw), so if
+      you :edit a directory a (slighly modified) NERD tree will appear in the
+      current window
 
 ==============================================================================
 2. Functionality provided                              *NERDTreeFunctionality*
@@ -109,7 +113,15 @@ The following features and functionality are provided by the NERD tree:
     again.  If no NERD tree exists for this tab then this command acts the
     same as the |:NERDTree| command.
 
-:NERDTreeClose
+:NERDTreeMirror                                              *:NERDTreeMirror*
+    Shares an existing NERD tree, from another tab, in the current tab.
+    Changes made to one tree are reflected in both as they are actually the
+    same buffer.
+
+    If only one other NERD tree exists, that tree is automatically mirrored. If
+    more than one exists, the script will ask which tree to mirror.
+
+:NERDTreeClose                                                *:NERDTreeClose*
     Close the NERD tree in this tab.
 
 ------------------------------------------------------------------------------
@@ -122,7 +134,7 @@ For example, you could use bookmarks to tag all of your project directories.
 2.2.1. The Bookmark Table                              *NERDTreeBookmarkTable*
 
 If the bookmark table is active (see |NERDTree-B| and
-|NERDTreeShowBookmarks|), it will be rendered above the tree. You can double
+|'NERDTreeShowBookmarks'|), it will be rendered above the tree. You can double
 click bookmarks or use the |NERDTree-o| mapping to activate them. See also,
 |NERDTree-t| and |NERDTree-T|
 
@@ -160,7 +172,7 @@ Note that the following commands are only available in the NERD tree buffer.
     Remove all bookmarks.
 
 :ReadBookmarks
-    Re-read the bookmarks in the |NERDTreeBookmarksFile|.
+    Re-read the bookmarks in the |'NERDTreeBookmarksFile'|.
 
 See also |:NERDTree| and |:NERDTreeFromBookmark|.
 
@@ -171,7 +183,7 @@ If invalid bookmarks are detected, the script will issue an error message and
 the invalid bookmarks will become unavailable for use.
 
 These bookmarks will still be stored in the bookmarks file (see
-|NERDTreeBookmarksFile|), down the bottom. There will always be a blank line
+|'NERDTreeBookmarksFile'|), down the bottom. There will always be a blank line
 after the valid bookmarks but before the invalid ones.
 
 Each line in the bookmarks file represents one bookmark. The proper format is:
@@ -190,18 +202,20 @@ o.......Open files, directories and bookmarks....................|NERDTree-o|
 go......Open selected file, but leave cursor in the NERDTree.....|NERDTree-go|
 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|
-<tab>...Open selected file in a split window.....................|NERDTree-tab|
-g<tab>..Same as <tab>, but leave the cursor on the NERDTree......|NERDTree-gtab|
+i.......Open selected file in a split window.....................|NERDTree-i|
+gi......Same as i, but leave the cursor on the NERDTree..........|NERDTree-i|
 !.......Execute the current file.................................|NERDTree-!|
 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.......Open a netrw for the current dir.........................|NERDTree-e|
+e.......Edit the current dif.....................................|NERDTree-e|
 
 double-click.......same as the |NERDTree-o| map.
-middle-click.......same as |NERDTree-tab| for files, same as
+middle-click.......same as |NERDTree-i| for files, same as
                    |NERDTree-e| for dirs.
 
+D.......Delete the current bookmark .............................|NERDTree-D|
+
 P.......Jump to the root node....................................|NERDTree-P|
 p.......Jump to current nodes parent.............................|NERDTree-p|
 K.......Jump up inside directories at the current tree depth.....|NERDTree-K|
@@ -217,7 +231,7 @@ R.......Recursively refresh the current root.....................|NERDTree-R|
 m.......Display the filesystem menu..............................|NERDTree-m|
 cd......Change the CWD to the dir of the selected node...........|NERDTree-cd|
 
-H.......Toggle whether hidden files displayed....................|NERDTree-H|
+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|
@@ -276,8 +290,8 @@ Applies to: files and directories.
 The same as |NERDTree-t| except that the focus is kept in the current tab.
 
 ------------------------------------------------------------------------------
-                                                                *NERDTree-tab*
-Default key: <tab>
+                                                                  *NERDTree-i*
+Default key: i
 Map option: NERDTreeMapOpenSplit
 Applies to: files.
 
@@ -285,15 +299,15 @@ Opens the selected file in a new split window and puts the cursor in the new
 window.
 
 ------------------------------------------------------------------------------
-                                                               *NERDTree-gtab*
-Default key: g<tab>
+                                                                 *NERDTree-gi*
+Default key: gi
 Map option: None
 Applies to: files.
 
-The same as |NERDTree-tab| except that the cursor is not moved.
+The same as |NERDTree-i| except that the cursor is not moved.
 
 The key combo for this mapping is always "g" + NERDTreeMapOpenSplit (see
-|NERDTree-tab|).
+|NERDTree-i|).
 
 ------------------------------------------------------------------------------
                                                                   *NERDTree-!*
@@ -312,8 +326,8 @@ Applies to: directories.
 Recursively opens the selelected directory.
 
 All files and directories are cached, but if a directory would not be
-displayed due to file filters (see |NERDTreeIgnore| |NERDTree-f|) or the
-hidden file filter (see |NERDTreeShowHidden|) then its contents are not
+displayed due to file filters (see |'NERDTreeIgnore'| |NERDTree-f|) or the
+hidden file filter (see |'NERDTreeShowHidden'|) then its contents are not
 cached. This is handy, especially if you have .svn directories.
 
 ------------------------------------------------------------------------------
@@ -340,7 +354,17 @@ Default key: e
 Map option: NERDTreeMapOpenExpl
 Applies to: files and directories.
 
-Opens a netrw on the selected directory, or the selected file's directory.
+|:edit|s the selected directory, or the selected file's directory. This could
+result in a NERD tree or a netrw being opened, depending on
+|'NERDTreeHijackNetrw'|.
+
+------------------------------------------------------------------------------
+                                                                  *NERDTree-D*
+Default key: D
+Map option: NERDTreeMapDeleteBookmark
+Applies to: lines in the bookmarks table
+
+Deletes the currently selected bookmark.
 
 ------------------------------------------------------------------------------
                                                                   *NERDTree-P*
@@ -453,13 +477,12 @@ Applies to: files and directories.
 Display the filesystem menu. See |NERDTreeFilesysMenu| for details.
 
 ------------------------------------------------------------------------------
-                                                                  *NERDTree-H*
-Default key: H
+                                                                  *NERDTree-I*
+Default key: I
 Map option: NERDTreeMapToggleHidden
 Applies to: no restrictions.
 
-Toggles whether hidden files are displayed. Hidden files are any
-file/directory that starts with a "."
+Toggles whether hidden files (i.e. "dot files") are displayed.
 
 ------------------------------------------------------------------------------
                                                                   *NERDTree-f*
@@ -467,7 +490,7 @@ Default key: f
 Map option: NERDTreeMapToggleFilters
 Applies to: no restrictions.
 
-Toggles whether file filters are used. See |NERDTreeIgnore| for details.
+Toggles whether file filters are used. See |'NERDTreeIgnore'| for details.
 
 ------------------------------------------------------------------------------
                                                                   *NERDTree-F*
@@ -551,53 +574,56 @@ then id be grateful if you'd email me.
 The script provides the following options that can customise the behaviour the
 NERD tree. These options should be set in your vimrc.
 
-|loaded_nerd_tree|              Turns off the script.
+|'loaded_nerd_tree'|            Turns off the script.
 
-|NERDChristmasTree|             Tells the NERD tree to make itself colourful
+|'NERDChristmasTree'|           Tells the NERD tree to make itself colourful
                                 and pretty.
 
-|NERDTreeAutoCenter|            Controls whether the NERD tree window centers
+|'NERDTreeAutoCenter'|          Controls whether the NERD tree window centers
                                 when the cursor moves within a specified
                                 distance to the top/bottom of the window.
-|NERDTreeAutoCenterThreshold|   Controls the sensitivity of autocentering.
+|'NERDTreeAutoCenterThreshold'| Controls the sensitivity of autocentering.
 
-|NERDTreeCaseSensitiveSort|     Tells the NERD tree whether to be case
+|'NERDTreeCaseSensitiveSort'|   Tells the NERD tree whether to be case
                                 sensitive or not when sorting nodes.
 
-|NERDTreeChDirMode|             Tells the NERD tree if/when it should change
+|'NERDTreeChDirMode'|           Tells the NERD tree if/when it should change
                                 vim's current working directory.
 
-|NERDTreeHighlightCursorline|   Tell the NERD tree whether to highlight the
+|'NERDTreeHighlightCursorline'| Tell the NERD tree whether to highlight the
                                 current cursor line.
 
-|NERDTreeIgnore|                Tells the NERD tree which files to ignore.
+|'NERDTreeHijackNetrw'|         Tell the NERD tree whether to replace the netrw
+                                autocommands for exploring local directories.
 
-|NERDTreeBookmarksFile|         Where the bookmarks are stored.
+|'NERDTreeIgnore'|              Tells the NERD tree which files to ignore.
 
-|NERDTreeMouseMode|             Tells the NERD tree how to handle mouse
+|'NERDTreeBookmarksFile'|       Where the bookmarks are stored.
+
+|'NERDTreeMouseMode'|           Tells the NERD tree how to handle mouse
                                 clicks.
 
-|NERDTreeQuitOnOpen|            Closes the tree window after opening a file.
+|'NERDTreeQuitOnOpen'|          Closes the tree window after opening a file.
 
-|NERDTreeShowBookmarks|         Tells the NERD tree whether to display the
+|'NERDTreeShowBookmarks'|       Tells the NERD tree whether to display the
                                 bookmarks table on startup.
 
-|NERDTreeShowFiles|             Tells the NERD tree whether to display files
+|'NERDTreeShowFiles'|           Tells the NERD tree whether to display files
                                 in the tree on startup.
 
-|NERDTreeShowHidden|            Tells the NERD tree whether to display hidden
+|'NERDTreeShowHidden'|          Tells the NERD tree whether to display hidden
                                 files on startup.
 
-|NERDTreeShowLineNumbers|       Tells the NERD tree whether to display line
+|'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
+|'NERDTreeSortOrder'|           Tell the NERD tree how to sort the nodes in
                                 the tree.
 
-|NERDTreeWinPos|                Tells the script where to put the NERD tree
+|'NERDTreeWinPos'|              Tells the script where to put the NERD tree
                                 window.
 
-|NERDTreeWinSize|               Sets the window size when the NERD tree is
+|'NERDTreeWinSize'|             Sets the window size when the NERD tree is
                                 opened.
 
 ------------------------------------------------------------------------------
@@ -606,13 +632,13 @@ NERD tree. These options should be set in your vimrc.
 To enable any of the below options you should put the given line in your
 ~/.vimrc
 
-                                                            *loaded_nerd_tree*
+                                                          *'loaded_nerd_tree'*
 If this plugin is making you feel homicidal, it may be a good idea to turn it
 off with this line in your vimrc: >
     let loaded_nerd_tree=1
 <
 ------------------------------------------------------------------------------
-                                                           *NERDChristmasTree*
+                                                         *'NERDChristmasTree'*
 Values: 0 or 1.
 Default: 1.
 
@@ -622,12 +648,12 @@ added to the nerd tree to make it more colourful.
 Set it to 0 for a more vanilla looking tree.
 
 ------------------------------------------------------------------------------
-                                                          *NERDTreeAutoCenter*
+                                                        *'NERDTreeAutoCenter'*
 Values: 0 or 1.
 Default: 1
 
 If set to 1, the NERD tree window will center around the cursor if it moves to
-within |NERDTreeAutoCenterThreshold| lines of the top/bottom of the window.
+within |'NERDTreeAutoCenterThreshold'| lines of the top/bottom of the window.
 
 This is ONLY done in response to tree navigation mappings,
 i.e. |NERDTree-J| |NERDTree-K| |NERDTree-C-J| |NERDTree-c-K| |NERDTree-p|
@@ -636,15 +662,15 @@ i.e. |NERDTree-J| |NERDTree-K| |NERDTree-C-J| |NERDTree-c-K| |NERDTree-p|
 The centering is done with a |zz| operation.
 
 ------------------------------------------------------------------------------
-                                                 *NERDTreeAutoCenterThreshold*
+                                               *'NERDTreeAutoCenterThreshold'*
 Values: Any natural number.
 Default: 3
 
 This option controls the "sensitivity" of the NERD tree auto centering. See
-|NERDTreeAutoCenter| for details.
+|'NERDTreeAutoCenter'| for details.
 
 ------------------------------------------------------------------------------
-                                                   *NERDTreeCaseSensitiveSort*
+                                                 *'NERDTreeCaseSensitiveSort'*
 Values: 0 or 1.
 Default: 0.
 
@@ -665,7 +691,7 @@ account. The above nodes would then be sorted like this: >
     boner.c
 <
 ------------------------------------------------------------------------------
-                                                           *NERDTreeChDirMode*
+                                                         *'NERDTreeChDirMode'*
 
 Values: 0, 1 or 2.
 Default: 0.
@@ -688,7 +714,7 @@ 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.
 
 ------------------------------------------------------------------------------
-                                                 *NERDTreeHighlightCursorline*
+                                               *'NERDTreeHighlightCursorline'*
 Values: 0 or 1.
 Default: 1.
 
@@ -696,13 +722,30 @@ If set to 1, the current cursor line in the NERD tree buffer will be
 highlighted. This is done using the |cursorline| option.
 
 ------------------------------------------------------------------------------
-                                                              *NERDTreeIgnore*
+                                                       *'NERDTreeHijackNetrw'*
+Values: 0 or 1.
+Default: 1.
+
+If set to 1, doing a >
+    :edit <some directory>
+<
+will open up a "secondary" NERD tree instead of a netrw in the target window.
+
+Secondary NERD trees behaves slighly different from a regular trees in the
+following respects:
+    1. 'o' will open the selected file in the same window as the tree,
+       replacing it.
+    2. you can have as many secondary tree as you want in the same tab.
+
+------------------------------------------------------------------------------
+                                                            *'NERDTreeIgnore'*
 Values: a list of regular expressions.
 Default: ['\~$'].
 
 This option is used to specify which files the NERD tree should ignore.  It
 must be a list of regular expressions. When the NERD tree is rendered, any
-files/dirs that match any of the regex's in NERDTreeIgnore wont be displayed.
+files/dirs that match any of the regex's in 'NERDTreeIgnore' wont be
+displayed.
 
 For example if you put the following line in your vimrc: >
     let NERDTreeIgnore=['\.vim$', '\~$']
@@ -718,14 +761,14 @@ The file filters can be turned on and off dynamically with the |NERDTree-f|
 mapping.
 
 ------------------------------------------------------------------------------
-                                                       *NERDTreeBookmarksFile*
+                                                     *'NERDTreeBookmarksFile'*
 Values: a path
 Default: $HOME/.NERDTreeBookmarks
 
 This is where bookmarks are saved. See |NERDTreeBookmarkCommands|.
 
 ------------------------------------------------------------------------------
-                                                           *NERDTreeMouseMode*
+                                                       *'NERDTreeMouseMode'*
 Values: 1, 2 or 3.
 Default: 1.
 
@@ -743,25 +786,26 @@ then (to single click activate it) you must click somewhere in
 'application.rb'.
 
 ------------------------------------------------------------------------------
-                                                          *NERDTreeQuitOnOpen*
+                                                        *'NERDTreeQuitOnOpen'*
 
 Values: 0 or 1.
 Default: 0
 
 If set to 1, the NERD tree window will close after opening a file with the
-|NERDTree-o| or |NERDTree-tab| mappings.
+|NERDTree-o| or |NERDTree-i| mappings.
 
 ------------------------------------------------------------------------------
-                                                       *NERDTreeShowBookmarks*
+                                                     *'NERDTreeShowBookmarks'*
 Values: 0 or 1.
 Default: 0.
 
 If this option is set to 1 then the bookmarks table will be displayed.
 
-This option can be toggled dynamically, per tree, with the |NERDTree-B| mapping.
+This option can be toggled dynamically, per tree, with the |NERDTree-B|
+mapping.
 
 ------------------------------------------------------------------------------
-                                                           *NERDTreeShowFiles*
+                                                         *'NERDTreeShowFiles'*
 Values: 0 or 1.
 Default: 1.
 
@@ -773,19 +817,19 @@ mapping and is useful for drastically shrinking the tree when you are
 navigating to a different part of the tree.
 
 ------------------------------------------------------------------------------
-                                                          *NERDTreeShowHidden*
+                                                        *'NERDTreeShowHidden'*
 Values: 0 or 1.
 Default: 0.
 
 This option tells vim whether to display hidden files by default. This option
-can be dynamically toggled, per tree, with the |NERDTree-H| mapping.  Use one
+can be dynamically toggled, per tree, with the |NERDTree-I| mapping.  Use one
 of the follow lines to set this option: >
     let NERDTreeShowHidden=0
     let NERDTreeShowHidden=1
 <
 
 ------------------------------------------------------------------------------
-                                                     *NERDTreeShowLineNumbers*
+                                                   *'NERDTreeShowLineNumbers'*
 Values: 0 or 1.
 Default: 0.
 
@@ -796,7 +840,7 @@ window.  Use one of the follow lines to set this option: >
 <
 
 ------------------------------------------------------------------------------
-                                                           *NERDTreeSortOrder*
+                                                         *'NERDTreeSortOrder'*
 Values: a list of regular expressions.
 Default: ['\/$', '*', '\.swp$',  '\.bak$', '\~$']
 
@@ -811,8 +855,8 @@ all .h files. All files containing the string 'foobar' will be placed at the
 end.  The star is a special flag: it tells the script that every node that
 doesnt match any of the other regexps should be placed here.
 
-If no star is present in NERDTreeSortOrder then one is automatically appended
-to the array.
+If no star is present in 'NERDTreeSortOrder' then one is automatically
+appended to the array.
 
 The regex '\/$' should be used to match directory nodes.
 
@@ -829,30 +873,28 @@ Other examples: >
    backup files will appear last with everything else preceding them.
 
 ------------------------------------------------------------------------------
-                                                              *NERDTreeWinPos*
-Values: "left", "right", "top" or "bottom"
+                                                            *'NERDTreeWinPos'*
+Values: "left" or "right"
 Default: "left".
 
 This option is used to determine where NERD tree window is placed on the
 screen.
 
-"top" or "bottom", will cause a horizontal split to be created for the tree,
-while "left" and "right" will cause a vertical split.
-
 This option is makes it possible to use two different explorer type
 plugins simultaneously. For example, you could have the taglist plugin on the
 left of the window and the NERD tree on the right.
 
 ------------------------------------------------------------------------------
-                                                             *NERDTreeWinSize*
+                                                           *'NERDTreeWinSize'*
 Values: a positive integer.
 Default: 31.
 
 This option is used to change the size of the NERD tree when it is loaded.
 
 ==============================================================================
-                                                     *NERDTreePublicFunctions*
-5. Public functions      ~
+4. Hacking the NERD tree                                     *NERDTreeHacking*
+
+Public functions ~
 
 The script provides 2 public functions for your hacking pleasure. Their
 signatures are: >
@@ -867,8 +909,26 @@ style OO. To see the functions that each class provides you can read look at
 the code.
 
 Use the node objects to manipulate the structure of the tree. Use the path
-objects to access the data the tree represents and to make changes to the
-filesystem.
+objects to access the files/directories the tree nodes represent.
+
+The NERD tree filetype ~
+
+NERD tree buffers have a filetype of "nerdtree". You can use this to hack the
+NERD tree via autocommands (on |FileType|) or via an ftplugin.
+
+For example, putting this code in ~/.vim/ftplugin/nerdtree.vim would override
+the o mapping, making it open the selected node in a new gvim instance. >
+
+    nnoremap <silent> <buffer> o :call <sid>openInNewVimInstance()<cr>
+    function! s:openInNewVimInstance()
+        let p = NERDTreeGetCurrentPath()
+        if p != {}
+            silent exec "!gvim " . p.strForOS(1) . "&"
+        endif
+    endfunction
+<
+This way you can add new mappings or :commands or override any existing
+mapping.
 
 ==============================================================================
 5. TODO list                                                    *NERDTreeTodo*
@@ -889,6 +949,45 @@ fridge for later ;)
 ==============================================================================
 7. Changelog                                               *NERDTreeChangelog*
 
+3.0.0
+    - hijack netrw so that doing an :edit <directory>  will put a NERD tree in
+      the window rather than a netrw browser. See :help 'NERDTreeHijackNetrw'
+    - allow sharing of trees across tabs, see :help :NERDTreeMirror
+    - remove "top" and "bottom" as valid settings for NERDTreeWinPos
+    - change the '<tab>' mapping to 'i'
+    - change the 'H' mapping to 'I'
+    - lots of refactoring
+
+2.14.3
+    Thanks to tpope for the following:
+    - use relative paths when doing edit commands if possible (useful if you
+      have %f on your statusline for example)
+    - allow relative paths for :NERDTree commands, eg ":NERDTree ../foo"
+    - fix a bug where the script used the directory of the current buffer
+      instead of vims cwd for the :NERDTree command
+    - bugfix for read only node highlighting
+
+2.14.2
+    - when opening a file (with 'o' or double click) dont split the window
+      unless we absolutely have to. This should make the script work better
+      with other explorer plugins. Thanks to Ryan Penn, Simon Peter Nicholls
+      and Michael
+    - fix a bug where directories starting with a '+' char could not be opened.
+      Thanks to Tomasz Chomiuk.
+    - fix a bug where closing vim with :qa with a tree open in another tab
+      would break, thanks to Denis Pokataev.
+    - compatibility bugfix for older versions of vim, thanks to knekk for
+      helping me track it down and to Sean Chou.
+
+2.14.1
+    - dont clobber &cpo. Thanks to godlygeek for the bug report.
+
+2.14.0
+    - fix a bug where the <c-w>o mapping  would cause the tree window to be
+      incorrectly sized when reopened.
+    - add keymapping to delete bookmarks from the bookmarks table, see
+      :help NERDTree-D
+    - lots of refactoring
 2.13.0
     - make NERDTreeChDir option default to 0 (i.e. never change vims current
       working dir by default)
@@ -922,8 +1021,8 @@ fridge for later ;)
     - applied a patch from Matan Nassau to add the NERDTreeQuitOnOpen option
       which closes the tree window after opening a file. See :help
       NERDTreeQuitOnOpen.
-    - optimised the nerd tree rendering. Now it takes just over 1/3 of the time
-      it previously took to render.
+    - optimised the nerd tree rendering. Now it takes just over 1/3 of the
+      time it previously took to render.
     - now the tree filter mappings toggle the filters "per tree" rather than
       globally. The global filter variables are used to set the initial filter
       settings for each new NERD tree.
@@ -999,9 +1098,9 @@ fridge for later ;)
       and you use <c-j/k> the cursor will jump to its PARENTS next/previous
       sibling. Go :help NERDTree-c-j and :help NERDTree-c-k for info.
     - Extended the behaviour of the J/K mappings. Now if the cursor is on the
-      last child of a node and you push J/K it will jump down to the last child
-      of the next/prev of its parents siblings that is open and has children.
-      Go :help NERDTree-J and :help NERDTree-K for info.
+      last child of a node and you push J/K it will jump down to the last
+      child of the next/prev of its parents siblings that is open and has
+      children.  Go :help NERDTree-J and :help NERDTree-K for info.
     - The goal of these changes is to make tree navigation faster.
     - Reorganised the help page a bit.
     - Removed the E mapping.
@@ -1041,8 +1140,8 @@ fridge for later ;)
     - Tree navigation changes:
       - Added J and K mappings to jump to last/first child of the current dir.
         Options to customise these mappings have also been added.
-      - Remapped the jump to next/prev sibling commands to be <C-j> and <C-k> by
-        default.
+      - Remapped the jump to next/prev sibling commands to be <C-j> and <C-k>
+        by default.
       These changes should hopefully make tree navigation mappings easier to
       remember and use as the j and k keys are simply reused 3 times (twice
       with modifier keys).
@@ -1204,6 +1303,25 @@ NERDTreeQuitOnOpen was set.
 Thanks to Charlton Wang for reporting bugs with the 'o' mapping and with
 handling named pipes.
 
+Chur to godlygeek for reporting a bug where &cpo was getting clobbered.
+
+Cheers to knekk for helping me track down a bug when overwriting dictionary
+keys that only occurred in some versions of vim.
+
+Thanks also to Sean Chou for the bug report about the above bug.
+
+Thanks to Ryan Penn, Simon Peter Nicholls and Michael for pointing out an issue
+where the script was splitting constantly when using the 'o' mapping while
+other explorers were open.
+
+Thanks to Tomasz Chomiuk for the bug report about the script failing when dir
+names began with a +.
+
+Thanks to Denis Pokataev for the bug report about the script failing when
+closing vim with :qa with a tree open in another tab.
+
+Thanks to tpope for his dope bug reporting.
+
 ==============================================================================
 9. License                                                   *NERDTreeLicense*