From 43104f3b08092f0b679c0651260aa3bfa5d9bb6f Mon Sep 17 00:00:00 2001
From: Yousong Zhou <yszhou4tech@gmail.com>
Date: Thu, 29 Feb 2024 14:36:49 +0800
Subject: [PATCH 1/2] Fix E1312 when quitting a window

The idea is taken from README.md of MattLombana/dotfiles

Fixes https://github.com/preservim/tagbar/issues/851
---
 autoload/tagbar.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/tagbar.vim b/autoload/tagbar.vim
index 93cad314..d8de7718 100644
--- a/autoload/tagbar.vim
+++ b/autoload/tagbar.vim
@@ -3541,7 +3541,7 @@ function! s:HandleOnlyWindow() abort
 
         try
             try
-                quit
+                call timer_start(0, {-> execute('q', 'silent!') })
             catch /.*/ " This can be E173 and maybe others
                 call s:OpenWindow('')
                 echoerr v:exception

From 89d99497b26af8ca4ca5163b8a53dafafab38556 Mon Sep 17 00:00:00 2001
From: raven42 <darth.gerbil@gmail.com>
Date: Thu, 29 Feb 2024 16:39:59 -0600
Subject: [PATCH 2/2] Update to handle vim-8 and vim-9 and rework a couple
 other spots

---
 autoload/tagbar.vim | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/autoload/tagbar.vim b/autoload/tagbar.vim
index d8de7718..ed35c3fe 100644
--- a/autoload/tagbar.vim
+++ b/autoload/tagbar.vim
@@ -3522,13 +3522,17 @@ function! s:HandleOnlyWindow() abort
     let file_open = s:HasOpenFileWindows()
 
     if vim_quitting && file_open == 2 && !g:tagbar_autoclose_netrw
-        call tagbar#debug#log('Closing Tagbar due to QuitPre - netrw only remaining window')
-        call s:CloseWindow()
+        call tagbar#debug#log('Closing Tagbar due to QuitPre - leave netrw')
+        if has('patch-9.0.907')
+            call timer_start(10, {-> s:CloseWindow() })
+        else
+            call s:CloseWindow()
+        endif
         return
     endif
 
     if vim_quitting && file_open != 1
-        call tagbar#debug#log('Closing Tagbar window due to QuitPre event')
+        call tagbar#debug#log('Closing Tagbar and netrw due to QuitPre event')
         if winnr('$') >= 1
             call s:goto_win(tagbarwinnr, 1)
         endif
@@ -3536,12 +3540,19 @@ function! s:HandleOnlyWindow() abort
         " Before quitting Vim, delete the tagbar buffer so that the '0 mark is
         " correctly set to the previous buffer.
         if tabpagenr('$') == 1
-            noautocmd keepalt bdelete
+            if has('patch-9.0.907')
+                call timer_start(20, {-> execute('noautocmd keepalt bdelete ' . tagbarwinnr)})
+            else
+                noautocmd keepalt bdelete
+            endif
         endif
-
         try
             try
-                call timer_start(0, {-> execute('q', 'silent!') })
+                if has('patch-9.0.907')
+                    call timer_start(50, {-> execute('q', 'silent!') })
+                else
+                    quit
+                endif
             catch /.*/ " This can be E173 and maybe others
                 call s:OpenWindow('')
                 echoerr v:exception