From f6cbd24c1021e2463bd5429f8c15a8e5d9c0ed9f Mon Sep 17 00:00:00 2001
From: Dan Gibson <danial.gibson@spin.net.au>
Date: Thu, 26 Jan 2023 11:23:04 +1100
Subject: [PATCH 1/2] #1344 Fixes NERDTreeFind: Exception not caught:
 NERDTree.InvalidArgumentsError: <file> should be under <path>

---
 lib/nerdtree/path.vim          | 10 ++++++++--
 lib/nerdtree/tree_dir_node.vim | 10 ++++++++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/lib/nerdtree/path.vim b/lib/nerdtree/path.vim
index 997abf37..2e3fa30f 100644
--- a/lib/nerdtree/path.vim
+++ b/lib/nerdtree/path.vim
@@ -530,8 +530,14 @@ function! s:Path.isUnder(parent)
         return 0
     endif
     for i in range(0, l:that_count-1)
-        if self.pathSegments[i] !=# a:parent.pathSegments[i]
-            return 0
+        if nerdtree#runningWindows()
+            if lower(self.pathSegments[i]) !=# lower(a:parent.pathSegments[i])
+                return 0
+            endif
+        else
+            if self.pathSegments[i] !=# a:parent.pathSegments[i]
+                return 0
+            endif
         endif
     endfor
     return 1
diff --git a/lib/nerdtree/tree_dir_node.vim b/lib/nerdtree/tree_dir_node.vim
index f5f76829..383c1629 100644
--- a/lib/nerdtree/tree_dir_node.vim
+++ b/lib/nerdtree/tree_dir_node.vim
@@ -121,8 +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#runningWindows()
+        if stridx(lower(a:path.str()), lower(self.path.str()), 0) ==# -1
+            return {}
+        endif
+    else
+        if stridx(a:path.str(), self.path.str(), 0) ==# -1
+            return {}
+        endif
     endif
 
     if self.path.isDirectory

From f9ed718a3453bd9770b13b56bccfbce63f656bba Mon Sep 17 00:00:00 2001
From: Dan Gibson <danial.gibson@spin.net.au>
Date: Thu, 26 Jan 2023 11:37:06 +1100
Subject: [PATCH 2/2] #1344 Fixes NERDTreeFind: Exception not caught:
 NERDTree.InvalidArgumentsError: <file> should be under <path>

---
 lib/nerdtree/path.vim          | 2 +-
 lib/nerdtree/tree_dir_node.vim | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/nerdtree/path.vim b/lib/nerdtree/path.vim
index 2e3fa30f..46af705f 100644
--- a/lib/nerdtree/path.vim
+++ b/lib/nerdtree/path.vim
@@ -531,7 +531,7 @@ function! s:Path.isUnder(parent)
     endif
     for i in range(0, l:that_count-1)
         if nerdtree#runningWindows()
-            if lower(self.pathSegments[i]) !=# lower(a:parent.pathSegments[i])
+            if tolower(self.pathSegments[i]) !=# tolower(a:parent.pathSegments[i])
                 return 0
             endif
         else
diff --git a/lib/nerdtree/tree_dir_node.vim b/lib/nerdtree/tree_dir_node.vim
index 383c1629..991f54c5 100644
--- a/lib/nerdtree/tree_dir_node.vim
+++ b/lib/nerdtree/tree_dir_node.vim
@@ -122,7 +122,7 @@ function! s:TreeDirNode.findNode(path)
         return self
     endif
     if nerdtree#runningWindows()
-        if stridx(lower(a:path.str()), lower(self.path.str()), 0) ==# -1
+        if stridx(tolower(a:path.str()), tolower(self.path.str()), 0) ==# -1
             return {}
         endif
     else