patch 8.2.2185: BufUnload is not triggered for the quickfix dummy buffer

Problem:    BufUnload is not triggered for the quickfix dummy buffer.
Solution:   Do trigger BufUnload. (Pontus Leitzler,closes #7518, closes #7517)
            Fix white space around "=".

src/quickfix.c

@@ -6513,7 +6513,7 @@ wipe_dummy_buffer(buf_T *buf, char_u *dirname_start)
 	enter_cleanup(&cs);
 #endif
 
-	wipe_buffer(buf, FALSE);
+	wipe_buffer(buf, TRUE);
 
 #if defined(FEAT_EVAL)
 	// Restore the error/interrupt/exception state if not discarded by a

src/testdir/test_autocmd.vim

@@ -132,19 +132,19 @@ func Test_bufunload()
     autocmd BufWipeout * call add(s:li, "bufwipeout")
   augroup END
 
-  let s:li=[]
+  let s:li = []
   new
   setlocal bufhidden=
   bunload
   call assert_equal(["bufunload", "bufdelete"], s:li)
 
-  let s:li=[]
+  let s:li = []
   new
   setlocal bufhidden=delete
   bunload
   call assert_equal(["bufunload", "bufdelete"], s:li)
 
-  let s:li=[]
+  let s:li = []
   new
   setlocal bufhidden=unload
   bwipeout
@@ -221,6 +221,29 @@ func Test_autocmd_bufunload_avoiding_SEGV_02()
   bwipe! a.txt
 endfunc
 
+func Test_autocmd_dummy_wipeout()
+  " prepare files
+  call writefile([''], 'Xdummywipetest1.txt')
+  call writefile([''], 'Xdummywipetest2.txt')
+  augroup test_bufunload_group
+    autocmd!
+    autocmd BufUnload * call add(s:li, "bufunload")
+    autocmd BufDelete * call add(s:li, "bufdelete")
+    autocmd BufWipeout * call add(s:li, "bufwipeout")
+  augroup END
+
+  let s:li = []
+  split Xdummywipetest1.txt
+  silent! vimgrep /notmatched/ Xdummywipetest*
+  call assert_equal(["bufunload", "bufwipeout"], s:li)
+
+  bwipeout
+  call delete('Xdummywipetest1.txt')
+  call delete('Xdummywipetest2.txt')
+  au! test_bufunload_group
+  augroup! test_bufunload_group
+endfunc
+
 func Test_win_tab_autocmd()
   let g:record = []
 
@@ -454,7 +477,7 @@ func Test_autocmd_bufwipe_in_SessLoadPost()
   let content =<< trim [CODE]
     call test_override('ui_delay', 10)
     set nocp noswapfile
-    let v:swapchoice="e"
+    let v:swapchoice = "e"
     augroup test_autocmd_sessionload
     autocmd!
     autocmd SessionLoadPost * exe bufnr("Xsomething") . "bw!"
@@ -542,43 +565,43 @@ func Test_OptionSet()
   au OptionSet * :call s:AutoCommandOptionSet(expand("<amatch>"))
 
   " 1: Setting number option"
-  let g:options=[['number', 0, 0, 0, 1, 'global', 'set']]
+  let g:options = [['number', 0, 0, 0, 1, 'global', 'set']]
   set nu
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 2: Setting local number option"
-  let g:options=[['number', 1, 1, '', 0, 'local', 'setlocal']]
+  let g:options = [['number', 1, 1, '', 0, 'local', 'setlocal']]
   setlocal nonu
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 3: Setting global number option"
-  let g:options=[['number', 1, '', 1, 0, 'global', 'setglobal']]
+  let g:options = [['number', 1, '', 1, 0, 'global', 'setglobal']]
   setglobal nonu
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 4: Setting local autoindent option"
-  let g:options=[['autoindent', 0, 0, '', 1, 'local', 'setlocal']]
+  let g:options = [['autoindent', 0, 0, '', 1, 'local', 'setlocal']]
   setlocal ai
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 5: Setting global autoindent option"
-  let g:options=[['autoindent', 0, '', 0, 1, 'global', 'setglobal']]
+  let g:options = [['autoindent', 0, '', 0, 1, 'global', 'setglobal']]
   setglobal ai
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 6: Setting global autoindent option"
-  let g:options=[['autoindent', 1, 1, 1, 0, 'global', 'set']]
+  let g:options = [['autoindent', 1, 1, 1, 0, 'global', 'set']]
   set ai!
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 6a: Setting global autoindent option"
-  let g:options=[['autoindent', 1, 1, 0, 0, 'global', 'set']]
+  let g:options = [['autoindent', 1, 1, 0, 0, 'global', 'set']]
   noa setlocal ai
   noa setglobal noai
   set ai!
@@ -587,55 +610,55 @@ func Test_OptionSet()
 
   " Should not print anything, use :noa
   " 7: don't trigger OptionSet"
-  let g:options=[['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid']]
+  let g:options = [['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid']]
   noa set nonu
   call assert_equal([['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid']], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 8: Setting several global list and number option"
-  let g:options=[['list', 0, 0, 0, 1, 'global', 'set'], ['number', 0, 0, 0, 1, 'global', 'set']]
+  let g:options = [['list', 0, 0, 0, 1, 'global', 'set'], ['number', 0, 0, 0, 1, 'global', 'set']]
   set list nu
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 9: don't trigger OptionSet"
-  let g:options=[['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid'], ['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid']]
+  let g:options = [['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid'], ['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid']]
   noa set nolist nonu
   call assert_equal([['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid'], ['invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid', 'invalid']], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 10: Setting global acd"
-  let g:options=[['autochdir', 0, 0, '', 1, 'local', 'setlocal']]
+  let g:options = [['autochdir', 0, 0, '', 1, 'local', 'setlocal']]
   setlocal acd
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 11: Setting global autoread (also sets local value)"
-  let g:options=[['autoread', 0, 0, 0, 1, 'global', 'set']]
+  let g:options = [['autoread', 0, 0, 0, 1, 'global', 'set']]
   set ar
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 12: Setting local autoread"
-  let g:options=[['autoread', 1, 1, '', 1, 'local', 'setlocal']]
+  let g:options = [['autoread', 1, 1, '', 1, 'local', 'setlocal']]
   setlocal ar
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 13: Setting global autoread"
-  let g:options=[['autoread', 1, '', 1, 0, 'global', 'setglobal']]
+  let g:options = [['autoread', 1, '', 1, 0, 'global', 'setglobal']]
   setglobal invar
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 14: Setting option backspace through :let"
-  let g:options=[['backspace', '', '', '', 'eol,indent,start', 'global', 'set']]
-  let &bs="eol,indent,start"
+  let g:options = [['backspace', '', '', '', 'eol,indent,start', 'global', 'set']]
+  let &bs = "eol,indent,start"
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 15: Setting option backspace through setbufvar()"
-  let g:options=[['backup', 0, 0, '', 1, 'local', 'setlocal']]
+  let g:options = [['backup', 0, 0, '', 1, 'local', 'setlocal']]
   " try twice, first time, shouldn't trigger because option name is invalid,
   " second time, it should trigger
   let bnum = bufnr('%')
@@ -646,13 +669,13 @@ func Test_OptionSet()
   call assert_equal(g:opt[0], g:opt[1])
 
   " 16: Setting number option using setwinvar"
-  let g:options=[['number', 0, 0, '', 1, 'local', 'setlocal']]
+  let g:options = [['number', 0, 0, '', 1, 'local', 'setlocal']]
   call setwinvar(0, '&number', 1)
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 17: Setting key option, shouldn't trigger"
-  let g:options=[['key', 'invalid', 'invalid1', 'invalid2', 'invalid3', 'invalid4', 'invalid5']]
+  let g:options = [['key', 'invalid', 'invalid1', 'invalid2', 'invalid3', 'invalid4', 'invalid5']]
   setlocal key=blah
   setlocal key=
   call assert_equal([['key', 'invalid', 'invalid1', 'invalid2', 'invalid3', 'invalid4', 'invalid5']], g:options)
@@ -661,19 +684,19 @@ func Test_OptionSet()
 
   " 18a: Setting string global option"
   let oldval = &backupext
-  let g:options=[['backupext', oldval, oldval, oldval, 'foo', 'global', 'set']]
+  let g:options = [['backupext', oldval, oldval, oldval, 'foo', 'global', 'set']]
   set backupext=foo
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 18b: Resetting string global option"
-  let g:options=[['backupext', 'foo', 'foo', 'foo', oldval, 'global', 'set']]
+  let g:options = [['backupext', 'foo', 'foo', 'foo', oldval, 'global', 'set']]
   set backupext&
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 18c: Setting global string global option"
-  let g:options=[['backupext', oldval, '', oldval, 'bar', 'global', 'setglobal']]
+  let g:options = [['backupext', oldval, '', oldval, 'bar', 'global', 'setglobal']]
   setglobal backupext=bar
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -682,7 +705,7 @@ func Test_OptionSet()
   " As this is a global option this sets the global value even though
   " :setlocal is used!
   noa set backupext& " Reset global and local value (without triggering autocmd)
-  let g:options=[['backupext', oldval, oldval, '', 'baz', 'local', 'setlocal']]
+  let g:options = [['backupext', oldval, oldval, '', 'baz', 'local', 'setlocal']]
   setlocal backupext=baz
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -690,7 +713,7 @@ func Test_OptionSet()
   " 18e: Setting again string global option"
   noa setglobal backupext=ext_global " Reset global and local value (without triggering autocmd)
   noa setlocal backupext=ext_local " Sets the global(!) value!
-  let g:options=[['backupext', 'ext_local', 'ext_local', 'ext_local', 'fuu', 'global', 'set']]
+  let g:options = [['backupext', 'ext_local', 'ext_local', 'ext_local', 'fuu', 'global', 'set']]
   set backupext=fuu
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -698,25 +721,25 @@ func Test_OptionSet()
 
   " 19a: Setting string local-global (to buffer) option"
   let oldval = &tags
-  let g:options=[['tags', oldval, oldval, oldval, 'tagpath', 'global', 'set']]
+  let g:options = [['tags', oldval, oldval, oldval, 'tagpath', 'global', 'set']]
   set tags=tagpath
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 19b: Resetting string local-global (to buffer) option"
-  let g:options=[['tags', 'tagpath', 'tagpath', 'tagpath', oldval, 'global', 'set']]
+  let g:options = [['tags', 'tagpath', 'tagpath', 'tagpath', oldval, 'global', 'set']]
   set tags&
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 19c: Setting global string local-global (to buffer) option "
-  let g:options=[['tags', oldval, '', oldval, 'tagpath1', 'global', 'setglobal']]
+  let g:options = [['tags', oldval, '', oldval, 'tagpath1', 'global', 'setglobal']]
   setglobal tags=tagpath1
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 19d: Setting local string local-global (to buffer) option"
-  let g:options=[['tags', 'tagpath1', 'tagpath1', '', 'tagpath2', 'local', 'setlocal']]
+  let g:options = [['tags', 'tagpath1', 'tagpath1', '', 'tagpath2', 'local', 'setlocal']]
   setlocal tags=tagpath2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -726,7 +749,7 @@ func Test_OptionSet()
   " but the old local value for all other kinds of options.
   noa setglobal tags=tag_global " Reset global and local value (without triggering autocmd)
   noa setlocal tags=tag_local
-  let g:options=[['tags', 'tag_global', 'tag_local', 'tag_global', 'tagpath', 'global', 'set']]
+  let g:options = [['tags', 'tag_global', 'tag_local', 'tag_global', 'tagpath', 'global', 'set']]
   set tags=tagpath
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -736,7 +759,7 @@ func Test_OptionSet()
   " but the old local value for all other kinds of options.
   noa set tags=tag_global " Reset global and local value (without triggering autocmd)
   noa setlocal tags= " empty string
-  let g:options=[['tags', 'tag_global', '', 'tag_global', 'tagpath', 'global', 'set']]
+  let g:options = [['tags', 'tag_global', '', 'tag_global', 'tagpath', 'global', 'set']]
   set tags=tagpath
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -744,26 +767,26 @@ func Test_OptionSet()
 
   " 20a: Setting string local (to buffer) option"
   let oldval = &spelllang
-  let g:options=[['spelllang', oldval, oldval, oldval, 'elvish,klingon', 'global', 'set']]
+  let g:options = [['spelllang', oldval, oldval, oldval, 'elvish,klingon', 'global', 'set']]
   set spelllang=elvish,klingon
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 20b: Resetting string local (to buffer) option"
-  let g:options=[['spelllang', 'elvish,klingon', 'elvish,klingon', 'elvish,klingon', oldval, 'global', 'set']]
+  let g:options = [['spelllang', 'elvish,klingon', 'elvish,klingon', 'elvish,klingon', oldval, 'global', 'set']]
   set spelllang&
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 20c: Setting global string local (to buffer) option"
-  let g:options=[['spelllang', oldval, '', oldval, 'elvish', 'global', 'setglobal']]
+  let g:options = [['spelllang', oldval, '', oldval, 'elvish', 'global', 'setglobal']]
   setglobal spelllang=elvish
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 20d: Setting local string local (to buffer) option"
   noa set spelllang& " Reset global and local value (without triggering autocmd)
-  let g:options=[['spelllang', oldval, oldval, '', 'klingon', 'local', 'setlocal']]
+  let g:options = [['spelllang', oldval, oldval, '', 'klingon', 'local', 'setlocal']]
   setlocal spelllang=klingon
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -773,7 +796,7 @@ func Test_OptionSet()
   " but the old local value for all other kinds of options.
   noa setglobal spelllang=spellglobal " Reset global and local value (without triggering autocmd)
   noa setlocal spelllang=spelllocal
-  let g:options=[['spelllang', 'spelllocal', 'spelllocal', 'spellglobal', 'foo', 'global', 'set']]
+  let g:options = [['spelllang', 'spelllocal', 'spelllocal', 'spellglobal', 'foo', 'global', 'set']]
   set spelllang=foo
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -781,7 +804,7 @@ func Test_OptionSet()
 
   " 21a: Setting string local-global (to window) option"
   let oldval = &statusline
-  let g:options=[['statusline', oldval, oldval, oldval, 'foo', 'global', 'set']]
+  let g:options = [['statusline', oldval, oldval, oldval, 'foo', 'global', 'set']]
   set statusline=foo
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -789,20 +812,20 @@ func Test_OptionSet()
   " 21b: Resetting string local-global (to window) option"
   " Note: v:option_old is the old global value for local-global string options
   " but the old local value for all other kinds of options.
-  let g:options=[['statusline', 'foo', 'foo', 'foo', oldval, 'global', 'set']]
+  let g:options = [['statusline', 'foo', 'foo', 'foo', oldval, 'global', 'set']]
   set statusline&
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 21c: Setting global string local-global (to window) option"
-  let g:options=[['statusline', oldval, '', oldval, 'bar', 'global', 'setglobal']]
+  let g:options = [['statusline', oldval, '', oldval, 'bar', 'global', 'setglobal']]
   setglobal statusline=bar
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 21d: Setting local string local-global (to window) option"
   noa set statusline& " Reset global and local value (without triggering autocmd)
-  let g:options=[['statusline', oldval, oldval, '', 'baz', 'local', 'setlocal']]
+  let g:options = [['statusline', oldval, oldval, '', 'baz', 'local', 'setlocal']]
   setlocal statusline=baz
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -812,7 +835,7 @@ func Test_OptionSet()
   " but the old local value for all other kinds of options.
   noa setglobal statusline=bar " Reset global and local value (without triggering autocmd)
   noa setlocal statusline=baz
-  let g:options=[['statusline', 'bar', 'baz', 'bar', 'foo', 'global', 'set']]
+  let g:options = [['statusline', 'bar', 'baz', 'bar', 'foo', 'global', 'set']]
   set statusline=foo
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -820,26 +843,26 @@ func Test_OptionSet()
 
   " 22a: Setting string local (to window) option"
   let oldval = &foldignore
-  let g:options=[['foldignore', oldval, oldval, oldval, 'fo', 'global', 'set']]
+  let g:options = [['foldignore', oldval, oldval, oldval, 'fo', 'global', 'set']]
   set foldignore=fo
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 22b: Resetting string local (to window) option"
-  let g:options=[['foldignore', 'fo', 'fo', 'fo', oldval, 'global', 'set']]
+  let g:options = [['foldignore', 'fo', 'fo', 'fo', oldval, 'global', 'set']]
   set foldignore&
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 22c: Setting global string local (to window) option"
-  let g:options=[['foldignore', oldval, '', oldval, 'bar', 'global', 'setglobal']]
+  let g:options = [['foldignore', oldval, '', oldval, 'bar', 'global', 'setglobal']]
   setglobal foldignore=bar
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 22d: Setting local string local (to window) option"
   noa set foldignore& " Reset global and local value (without triggering autocmd)
-  let g:options=[['foldignore', oldval, oldval, '', 'baz', 'local', 'setlocal']]
+  let g:options = [['foldignore', oldval, oldval, '', 'baz', 'local', 'setlocal']]
   setlocal foldignore=baz
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -847,7 +870,7 @@ func Test_OptionSet()
   " 22e: Setting again string local (to window) option"
   noa setglobal foldignore=glob " Reset global and local value (without triggering autocmd)
   noa setlocal foldignore=loc
-  let g:options=[['foldignore', 'loc', 'loc', 'glob', 'fo', 'global', 'set']]
+  let g:options = [['foldignore', 'loc', 'loc', 'glob', 'fo', 'global', 'set']]
   set foldignore=fo
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -856,7 +879,7 @@ func Test_OptionSet()
   " 23a: Setting global number local option"
   noa setglobal cmdheight=8 " Reset global and local value (without triggering autocmd)
   noa setlocal cmdheight=1 " Sets the global(!) value!
-  let g:options=[['cmdheight', '1', '', '1', '2', 'global', 'setglobal']]
+  let g:options = [['cmdheight', '1', '', '1', '2', 'global', 'setglobal']]
   setglobal cmdheight=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -864,7 +887,7 @@ func Test_OptionSet()
   " 23b: Setting local number global option"
   noa setglobal cmdheight=8 " Reset global and local value (without triggering autocmd)
   noa setlocal cmdheight=1 " Sets the global(!) value!
-  let g:options=[['cmdheight', '1', '1', '', '2', 'local', 'setlocal']]
+  let g:options = [['cmdheight', '1', '1', '', '2', 'local', 'setlocal']]
   setlocal cmdheight=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -872,14 +895,14 @@ func Test_OptionSet()
   " 23c: Setting again number global option"
   noa setglobal cmdheight=8 " Reset global and local value (without triggering autocmd)
   noa setlocal cmdheight=1 " Sets the global(!) value!
-  let g:options=[['cmdheight', '1', '1', '1', '2', 'global', 'set']]
+  let g:options = [['cmdheight', '1', '1', '1', '2', 'global', 'set']]
   set cmdheight=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 23d: Setting again number global option"
   noa set cmdheight=8 " Reset global and local value (without triggering autocmd)
-  let g:options=[['cmdheight', '8', '8', '8', '2', 'global', 'set']]
+  let g:options = [['cmdheight', '8', '8', '8', '2', 'global', 'set']]
   set cmdheight=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -888,7 +911,7 @@ func Test_OptionSet()
   " 24a: Setting global number global-local (to buffer) option"
   noa setglobal undolevels=8 " Reset global and local value (without triggering autocmd)
   noa setlocal undolevels=1
-  let g:options=[['undolevels', '8', '', '8', '2', 'global', 'setglobal']]
+  let g:options = [['undolevels', '8', '', '8', '2', 'global', 'setglobal']]
   setglobal undolevels=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -896,7 +919,7 @@ func Test_OptionSet()
   " 24b: Setting local number global-local (to buffer) option"
   noa setglobal undolevels=8 " Reset global and local value (without triggering autocmd)
   noa setlocal undolevels=1
-  let g:options=[['undolevels', '1', '1', '', '2', 'local', 'setlocal']]
+  let g:options = [['undolevels', '1', '1', '', '2', 'local', 'setlocal']]
   setlocal undolevels=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -904,14 +927,14 @@ func Test_OptionSet()
   " 24c: Setting again number global-local (to buffer) option"
   noa setglobal undolevels=8 " Reset global and local value (without triggering autocmd)
   noa setlocal undolevels=1
-  let g:options=[['undolevels', '1', '1', '8', '2', 'global', 'set']]
+  let g:options = [['undolevels', '1', '1', '8', '2', 'global', 'set']]
   set undolevels=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 24d: Setting again global number global-local (to buffer) option"
   noa set undolevels=8 " Reset global and local value (without triggering autocmd)
-  let g:options=[['undolevels', '8', '8', '8', '2', 'global', 'set']]
+  let g:options = [['undolevels', '8', '8', '8', '2', 'global', 'set']]
   set undolevels=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -920,7 +943,7 @@ func Test_OptionSet()
   " 25a: Setting global number local (to buffer) option"
   noa setglobal wrapmargin=8 " Reset global and local value (without triggering autocmd)
   noa setlocal wrapmargin=1
-  let g:options=[['wrapmargin', '8', '', '8', '2', 'global', 'setglobal']]
+  let g:options = [['wrapmargin', '8', '', '8', '2', 'global', 'setglobal']]
   setglobal wrapmargin=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -928,7 +951,7 @@ func Test_OptionSet()
   " 25b: Setting local number local (to buffer) option"
   noa setglobal wrapmargin=8 " Reset global and local value (without triggering autocmd)
   noa setlocal wrapmargin=1
-  let g:options=[['wrapmargin', '1', '1', '', '2', 'local', 'setlocal']]
+  let g:options = [['wrapmargin', '1', '1', '', '2', 'local', 'setlocal']]
   setlocal wrapmargin=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -936,14 +959,14 @@ func Test_OptionSet()
   " 25c: Setting again number local (to buffer) option"
   noa setglobal wrapmargin=8 " Reset global and local value (without triggering autocmd)
   noa setlocal wrapmargin=1
-  let g:options=[['wrapmargin', '1', '1', '8', '2', 'global', 'set']]
+  let g:options = [['wrapmargin', '1', '1', '8', '2', 'global', 'set']]
   set wrapmargin=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 25d: Setting again global number local (to buffer) option"
   noa set wrapmargin=8 " Reset global and local value (without triggering autocmd)
-  let g:options=[['wrapmargin', '8', '8', '8', '2', 'global', 'set']]
+  let g:options = [['wrapmargin', '8', '8', '8', '2', 'global', 'set']]
   set wrapmargin=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -956,7 +979,7 @@ func Test_OptionSet()
   " 27a: Setting global number local (to window) option"
   noa setglobal foldcolumn=8 " Reset global and local value (without triggering autocmd)
   noa setlocal foldcolumn=1
-  let g:options=[['foldcolumn', '8', '', '8', '2', 'global', 'setglobal']]
+  let g:options = [['foldcolumn', '8', '', '8', '2', 'global', 'setglobal']]
   setglobal foldcolumn=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -964,7 +987,7 @@ func Test_OptionSet()
   " 27b: Setting local number local (to window) option"
   noa setglobal foldcolumn=8 " Reset global and local value (without triggering autocmd)
   noa setlocal foldcolumn=1
-  let g:options=[['foldcolumn', '1', '1', '', '2', 'local', 'setlocal']]
+  let g:options = [['foldcolumn', '1', '1', '', '2', 'local', 'setlocal']]
   setlocal foldcolumn=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -972,14 +995,14 @@ func Test_OptionSet()
   " 27c: Setting again number local (to window) option"
   noa setglobal foldcolumn=8 " Reset global and local value (without triggering autocmd)
   noa setlocal foldcolumn=1
-  let g:options=[['foldcolumn', '1', '1', '8', '2', 'global', 'set']]
+  let g:options = [['foldcolumn', '1', '1', '8', '2', 'global', 'set']]
   set foldcolumn=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 27d: Ssettin again global number local (to window) option"
   noa set foldcolumn=8 " Reset global and local value (without triggering autocmd)
-  let g:options=[['foldcolumn', '8', '8', '8', '2', 'global', 'set']]
+  let g:options = [['foldcolumn', '8', '8', '8', '2', 'global', 'set']]
   set foldcolumn=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -988,7 +1011,7 @@ func Test_OptionSet()
   " 28a: Setting global boolean global option"
   noa setglobal nowrapscan " Reset global and local value (without triggering autocmd)
   noa setlocal wrapscan " Sets the global(!) value!
-  let g:options=[['wrapscan', '1', '', '1', '0', 'global', 'setglobal']]
+  let g:options = [['wrapscan', '1', '', '1', '0', 'global', 'setglobal']]
   setglobal nowrapscan
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -996,7 +1019,7 @@ func Test_OptionSet()
   " 28b: Setting local boolean global option"
   noa setglobal nowrapscan " Reset global and local value (without triggering autocmd)
   noa setlocal wrapscan " Sets the global(!) value!
-  let g:options=[['wrapscan', '1', '1', '', '0', 'local', 'setlocal']]
+  let g:options = [['wrapscan', '1', '1', '', '0', 'local', 'setlocal']]
   setlocal nowrapscan
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1004,14 +1027,14 @@ func Test_OptionSet()
   " 28c: Setting again boolean global option"
   noa setglobal nowrapscan " Reset global and local value (without triggering autocmd)
   noa setlocal wrapscan " Sets the global(!) value!
-  let g:options=[['wrapscan', '1', '1', '1', '0', 'global', 'set']]
+  let g:options = [['wrapscan', '1', '1', '1', '0', 'global', 'set']]
   set nowrapscan
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 28d: Setting again global boolean global option"
   noa set nowrapscan " Reset global and local value (without triggering autocmd)
-  let g:options=[['wrapscan', '0', '0', '0', '1', 'global', 'set']]
+  let g:options = [['wrapscan', '0', '0', '0', '1', 'global', 'set']]
   set wrapscan
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1020,7 +1043,7 @@ func Test_OptionSet()
   " 29a: Setting global boolean global-local (to buffer) option"
   noa setglobal noautoread " Reset global and local value (without triggering autocmd)
   noa setlocal autoread
-  let g:options=[['autoread', '0', '', '0', '1', 'global', 'setglobal']]
+  let g:options = [['autoread', '0', '', '0', '1', 'global', 'setglobal']]
   setglobal autoread
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1028,7 +1051,7 @@ func Test_OptionSet()
   " 29b: Setting local boolean global-local (to buffer) option"
   noa setglobal noautoread " Reset global and local value (without triggering autocmd)
   noa setlocal autoread
-  let g:options=[['autoread', '1', '1', '', '0', 'local', 'setlocal']]
+  let g:options = [['autoread', '1', '1', '', '0', 'local', 'setlocal']]
   setlocal noautoread
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1036,14 +1059,14 @@ func Test_OptionSet()
   " 29c: Setting again boolean global-local (to buffer) option"
   noa setglobal noautoread " Reset global and local value (without triggering autocmd)
   noa setlocal autoread
-  let g:options=[['autoread', '1', '1', '0', '1', 'global', 'set']]
+  let g:options = [['autoread', '1', '1', '0', '1', 'global', 'set']]
   set autoread
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 29d: Setting again global boolean global-local (to buffer) option"
   noa set noautoread " Reset global and local value (without triggering autocmd)
-  let g:options=[['autoread', '0', '0', '0', '1', 'global', 'set']]
+  let g:options = [['autoread', '0', '0', '0', '1', 'global', 'set']]
   set autoread
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1052,7 +1075,7 @@ func Test_OptionSet()
   " 30a: Setting global boolean local (to buffer) option"
   noa setglobal nocindent " Reset global and local value (without triggering autocmd)
   noa setlocal cindent
-  let g:options=[['cindent', '0', '', '0', '1', 'global', 'setglobal']]
+  let g:options = [['cindent', '0', '', '0', '1', 'global', 'setglobal']]
   setglobal cindent
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1060,7 +1083,7 @@ func Test_OptionSet()
   " 30b: Setting local boolean local (to buffer) option"
   noa setglobal nocindent " Reset global and local value (without triggering autocmd)
   noa setlocal cindent
-  let g:options=[['cindent', '1', '1', '', '0', 'local', 'setlocal']]
+  let g:options = [['cindent', '1', '1', '', '0', 'local', 'setlocal']]
   setlocal nocindent
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1068,14 +1091,14 @@ func Test_OptionSet()
   " 30c: Setting again boolean local (to buffer) option"
   noa setglobal nocindent " Reset global and local value (without triggering autocmd)
   noa setlocal cindent
-  let g:options=[['cindent', '1', '1', '0', '1', 'global', 'set']]
+  let g:options = [['cindent', '1', '1', '0', '1', 'global', 'set']]
   set cindent
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 30d: Setting again global boolean local (to buffer) option"
   noa set nocindent " Reset global and local value (without triggering autocmd)
-  let g:options=[['cindent', '0', '0', '0', '1', 'global', 'set']]
+  let g:options = [['cindent', '0', '0', '0', '1', 'global', 'set']]
   set cindent
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1088,7 +1111,7 @@ func Test_OptionSet()
   " 32a: Setting global boolean local (to window) option"
   noa setglobal nocursorcolumn " Reset global and local value (without triggering autocmd)
   noa setlocal cursorcolumn
-  let g:options=[['cursorcolumn', '0', '', '0', '1', 'global', 'setglobal']]
+  let g:options = [['cursorcolumn', '0', '', '0', '1', 'global', 'setglobal']]
   setglobal cursorcolumn
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1096,7 +1119,7 @@ func Test_OptionSet()
   " 32b: Setting local boolean local (to window) option"
   noa setglobal nocursorcolumn " Reset global and local value (without triggering autocmd)
   noa setlocal cursorcolumn
-  let g:options=[['cursorcolumn', '1', '1', '', '0', 'local', 'setlocal']]
+  let g:options = [['cursorcolumn', '1', '1', '', '0', 'local', 'setlocal']]
   setlocal nocursorcolumn
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1104,14 +1127,14 @@ func Test_OptionSet()
   " 32c: Setting again boolean local (to window) option"
   noa setglobal nocursorcolumn " Reset global and local value (without triggering autocmd)
   noa setlocal cursorcolumn
-  let g:options=[['cursorcolumn', '1', '1', '0', '1', 'global', 'set']]
+  let g:options = [['cursorcolumn', '1', '1', '0', '1', 'global', 'set']]
   set cursorcolumn
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
 
   " 32d: Setting again global boolean local (to window) option"
   noa set nocursorcolumn " Reset global and local value (without triggering autocmd)
-  let g:options=[['cursorcolumn', '0', '0', '0', '1', 'global', 'set']]
+  let g:options = [['cursorcolumn', '0', '0', '0', '1', 'global', 'set']]
   set cursorcolumn
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1119,7 +1142,7 @@ func Test_OptionSet()
 
   " 33: Test autocommands when an option value is converted internally.
   noa set backspace=1 " Reset global and local value (without triggering autocmd)
-  let g:options=[['backspace', 'indent,eol', 'indent,eol', 'indent,eol', '2', 'global', 'set']]
+  let g:options = [['backspace', 'indent,eol', 'indent,eol', 'indent,eol', '2', 'global', 'set']]
   set backspace=2
   call assert_equal([], g:options)
   call assert_equal(g:opt[0], g:opt[1])
@@ -1139,7 +1162,7 @@ func Test_OptionSet_diffmode()
   call test_override('starting', 1)
   " 18: Changing an option when entering diff mode
   new
-  au OptionSet diff :let &l:cul=v:option_new
+  au OptionSet diff :let &l:cul = v:option_new
 
   call setline(1, ['buffer 1', 'line2', 'line3', 'line4'])
   call assert_equal(0, &l:cul)
@@ -2355,7 +2378,7 @@ func Test_autocmd_CmdWinEnter()
     autocmd CmdWinEnter * quit
     let winnr = winnr('$')
   END
-  let filename='XCmdWinEnter'
+  let filename = 'XCmdWinEnter'
   call writefile(lines, filename)
   let buf = RunVimInTerminal('-S '.filename, #{rows: 6})