patch 9.1.0220: Few typos in source and test files

Problem:  Typos in code and tests.
Solution: Fix typos (zeertzjq).

closes: #14321

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/misc1.c

@@ -2172,7 +2172,7 @@ init_users(void)
 }
 
 /*
- * Function given to ExpandGeneric() to obtain an user names.
+ * Function given to ExpandGeneric() to obtain user names.
  */
     char_u*
 get_users(expand_T *xp UNUSED, int idx)

src/testdir/test_buffer.vim

@@ -133,7 +133,7 @@ func Test_bdelete_cmd()
   call assert_fails('1,1bdelete 1 2', 'E488:')
   call assert_fails('bdelete \)', 'E55:')
 
-  " Deleting a unlisted and unloaded buffer
+  " Deleting an unlisted and unloaded buffer
   edit Xbdelfile1
   let bnr = bufnr()
   set nobuflisted

src/testdir/test_history.vim

@@ -254,7 +254,7 @@ func Test_history_crypt_key()
   set key& bs& ts&
 endfunc
 
-" The following used to overflow and causing an use-after-free
+" The following used to overflow and causing a use-after-free
 func Test_history_max_val()
 
   set history=10

src/testdir/test_ins_complete.vim

@@ -1130,7 +1130,7 @@ func Test_complete_wholeline_unlistedbuf()
   edit Xfile1
   enew
   set complete=U
-  " completing from a unloaded buffer should fail
+  " completing from an unloaded buffer should fail
   exe "normal! ia\<C-X>\<C-L>\<C-P>"
   call assert_equal('a', getline(1))
   %d

src/testdir/test_mksession.vim

@@ -708,11 +708,11 @@ endfunc
 
 func Test_mkview_no_file_name()
   new
-  " :mkview or :mkview {nr} should fail in a unnamed buffer.
+  " :mkview or :mkview {nr} should fail in an unnamed buffer.
   call assert_fails('mkview', 'E32:')
   call assert_fails('mkview 1', 'E32:')
 
-  " :mkview {file} should succeed in a unnamed buffer.
+  " :mkview {file} should succeed in an unnamed buffer.
   mkview Xview
   help
   source Xview

src/testdir/test_recover.vim

@@ -380,7 +380,7 @@ func Test_recover_encrypted_swap_file()
   call delete('Xfile1')
 endfunc
 
-" Test for :recover using a unreadable swap file
+" Test for :recover using an unreadable swap file
 func Test_recover_unreadable_swap_file()
   CheckUnix
   CheckNotRoot

src/testdir/test_regexp_latin.vim

@@ -874,7 +874,7 @@ func Regex_Mark()
   %d
 endfunc
 
-" Same test as abobe, but use verymagic
+" Same test as above, but use verymagic
 func Regex_Mark_Verymagic()
   call append(0, ['', '', '', 'Marks:', 'asdfSasdfsadfEasdf', 'asdfSas',
         \ 'dfsadfEasdf', '', '', '', '', ''])

src/testdir/test_vim9_script.vim

@@ -4906,7 +4906,7 @@ def Test_for_stmt_space_before_type()
   v9.CheckSourceFailure(lines, 'E1059: No white space allowed before colon: :number in range(10)', 2)
 enddef
 
-" This test used to cause an use-after-free memory access
+" This test used to cause a use-after-free memory access
 def Test_for_empty_line_after_lambda()
   var lines =<< trim END
     vim9script

src/testdir/test_visual.vim

@@ -1149,7 +1149,7 @@ func Test_visual_inner_block()
   " try to select non-existing inner block
   call cursor(5, 1)
   call assert_beeps('normal ViBiBiB')
-  " try to select a unclosed inner block
+  " try to select an unclosed inner block
   8,9d
   call cursor(5, 1)
   call assert_beeps('normal ViBiB')

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    220,
 /**/
     219,
 /**/

src/vim9class.c

@@ -3782,7 +3782,7 @@ object_call_builtin_method(
 }
 
 /*
- * Calls the object "empty()" method and returns the method retun value.  In
+ * Calls the object "empty()" method and returns the method return value.  In
  * case of an error, returns TRUE.
  */
     int