From dc29ec2db3e710cb4034acdcf94b0cc862446d03 Mon Sep 17 00:00:00 2001
From: Igor Tatarintsev <ietatarin@gmail.com>
Date: Fri, 11 Sep 2015 23:52:37 +0600
Subject: [PATCH] Added global variables for changing default arrows
 g:NERDTreeDirArrowExpandable g:NERDTreeDirArrowCollapsable

---
 README.markdown                 | 2 +-
 autoload/nerdtree/ui_glue.vim   | 2 +-
 lib/nerdtree/tree_file_node.vim | 2 +-
 lib/nerdtree/ui.vim             | 8 ++++----
 plugin/NERD_tree.vim            | 2 +-
 syntax/nerdtree.vim             | 4 ++--
 6 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/README.markdown b/README.markdown
index bc2741f..c11b135 100644
--- a/README.markdown
+++ b/README.markdown
@@ -112,4 +112,4 @@ Use these variables in your vimrc. Note that below are default arrow symbols
 
     let g:NERDTreeDirArrows = 1
     let g:NERDTreeDirArrowExpandable = '▸'
-    let g:NERDTreeDirArrowCollapsable = '▾'
+    let g:NERDTreeDirArrowCollapsible = '▾'
diff --git a/autoload/nerdtree/ui_glue.vim b/autoload/nerdtree/ui_glue.vim
index e706ee5..dadb8f8 100644
--- a/autoload/nerdtree/ui_glue.vim
+++ b/autoload/nerdtree/ui_glue.vim
@@ -312,7 +312,7 @@ function! s:handleLeftClick()
         endfor
 
         if currentNode.path.isDirectory
-            if startToCur =~# g:NERDTreeUI.MarkupReg() && startToCur =~# '[+~'.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsable.'] \?$'
+            if startToCur =~# g:NERDTreeUI.MarkupReg() && startToCur =~# '[+~'.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'] \?$'
                 call currentNode.activate()
                 return
             endif
diff --git a/lib/nerdtree/tree_file_node.vim b/lib/nerdtree/tree_file_node.vim
index 5c38641..a3fe98f 100644
--- a/lib/nerdtree/tree_file_node.vim
+++ b/lib/nerdtree/tree_file_node.vim
@@ -383,7 +383,7 @@ function! s:TreeFileNode._renderToString(depth, drawText, vertMap, isLastChild)
         if self.path.isDirectory
             if self.isOpen
                 if g:NERDTreeDirArrows
-                    let treeParts = treeParts . g:NERDTreeDirArrowCollapsable . ' '
+                    let treeParts = treeParts . g:NERDTreeDirArrowCollapsible . ' '
                 else
                     let treeParts = treeParts . '~'
                 endif
diff --git a/lib/nerdtree/ui.vim b/lib/nerdtree/ui.vim
index 5632ab0..74cee9c 100644
--- a/lib/nerdtree/ui.vim
+++ b/lib/nerdtree/ui.vim
@@ -154,7 +154,7 @@ function! s:UI.getPath(ln)
 
     if !g:NERDTreeDirArrows
         " in case called from outside the tree
-        if line !~# '^ *[|`'.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsable.' ]' || line =~# '^$'
+        if line !~# '^ *[|`'.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.' ]' || line =~# '^$'
             return {}
         endif
     endif
@@ -261,9 +261,9 @@ endfunction
 
 "FUNCTION: s:UI._indentLevelFor(line) {{{1
 function! s:UI._indentLevelFor(line)
-    let level = match(a:line, '[^ \-+~'.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsable.'`|]') / s:UI.IndentWid()
+    let level = match(a:line, '[^ \-+~'.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'`|]') / s:UI.IndentWid()
     " check if line includes arrows
-    if match(a:line, '['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsable.]') > -1
+    if match(a:line, '['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.']') > -1
         " decrement level as arrow uses 3 ascii chars
         let level = level - 1
     endif
@@ -278,7 +278,7 @@ endfunction
 "FUNCTION: s:UI.MarkupReg() {{{1
 function! s:UI.MarkupReg()
     if g:NERDTreeDirArrows
-        return '^\(['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsable.'] \| \+['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsable.'] \| \+\)'
+        return '^\(['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'] \| \+['.g:NERDTreeDirArrowExpandable.g:NERDTreeDirArrowCollapsible.'] \| \+\)'
     endif
 
     return '^[ `|]*[\-+~]'
diff --git a/plugin/NERD_tree.vim b/plugin/NERD_tree.vim
index 7b3dff0..6fff0c3 100644
--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -69,7 +69,7 @@ call s:initVariable("g:NERDTreeShowLineNumbers", 0)
 call s:initVariable("g:NERDTreeSortDirs", 1)
 call s:initVariable("g:NERDTreeDirArrows", !nerdtree#runningWindows())
 call s:initVariable("g:NERDTreeDirArrowExpandable", "▸")
-call s:initVariable("g:NERDTreeDirArrowCollapsable", "▾")
+call s:initVariable("g:NERDTreeDirArrowCollapsible", "▾")
 call s:initVariable("g:NERDTreeCascadeOpenSingleChildDir", 1)
 
 if !exists("g:NERDTreeSortOrder")
diff --git a/syntax/nerdtree.vim b/syntax/nerdtree.vim
index 1d09788..fd548cf 100644
--- a/syntax/nerdtree.vim
+++ b/syntax/nerdtree.vim
@@ -23,10 +23,10 @@ syn match NERDTreeLinkDir #.*/ ->#me=e-3 containedin=NERDTreeDir
 syn match NERDTreeDirSlash #/# containedin=NERDTreeDir
 
 if g:NERDTreeDirArrows
-    exec 'syn match NERDTreeClosable #'.g:NERDTreeDirArrowCollapsable.'# containedin=NERDTreeDir,NERDTreeFile'
+    exec 'syn match NERDTreeClosable #'.g:NERDTreeDirArrowCollapsible.'# containedin=NERDTreeDir,NERDTreeFile'
     exec 'syn match NERDTreeOpenable #'.g:NERDTreeDirArrowExpandable.'# containedin=NERDTreeDir,NERDTreeFile'
 
-    let s:dirArrows = g:NERDTreeDirArrowCollapsable.g:NERDTreeDirArrowExpandable
+    let s:dirArrows = g:NERDTreeDirArrowCollapsible.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'