Fix some typos in documentation, C code and test files

closes: #18300

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

src/insexpand.c

@@ -3451,7 +3451,7 @@ set_cpt_callbacks(optset_T *args)
 	}
     }
 
-    if (!local) // ':set' used insted of ':setlocal'
+    if (!local) // ':set' used instead of ':setlocal'
 	// Cache the callback array
 	if (copy_cpt_callbacks(&cpt_cb, &cpt_cb_count, curbuf->b_p_cpt_cb,
 		    curbuf->b_p_cpt_count) != OK)

src/os_unix.c

@@ -9546,7 +9546,7 @@ socket_server_send(
 	char_u *str,	    // What to send
 	char_u **result,    // Set to result of expr
 	char_u **receiver,  // Full path of "name"
-	int is_expr,	    // Is it an expresison or keystrokes?
+	int is_expr,	    // Is it an expression or keystrokes?
 	int timeout,	    // In milliseconds
 	int silent)	    // Don't complain if socket doesn't exist
 {
@@ -9628,7 +9628,7 @@ socket_server_send(
 	else
 	    vim_free(path);
 
-	// Exit, we aren't waiting for a reponse
+	// Exit, we aren't waiting for a response
 	return 0;
     }
 
@@ -9935,7 +9935,7 @@ socket_server_init_cmd(ss_cmd_T *cmd, ss_cmd_type_T type)
 
 /*
  * Append a message to a command. Note that "len" is the length of contents.
- * Returns OK on sucess and FAIL on failure
+ * Returns OK on success and FAIL on failure
  */
     static int
 socket_server_append_msg(ss_cmd_T *cmd, char_u type, char_u *contents, int len)
@@ -10386,7 +10386,7 @@ socket_server_exec_cmd(ss_cmd_T *cmd, int fd)
 			    STRLEN(result) + 1); // We add +1 in case "result"
 						 // is an empty string.
 		else
-		    // An error occured, return an error msg instead
+		    // An error occurred, return an error msg instead
 		    socket_server_append_msg(&rcmd, SS_MSG_TYPE_STRING,
 			    (char_u *)_(e_invalid_expression_received),
 			    STRLEN(e_invalid_expression_received));
@@ -10563,7 +10563,7 @@ socket_server_dispatch(int timeout)
 }
 
 /*
- * Check if socket "name" is reponsive by sending an ALIVE command. This does
+ * Check if socket "name" is responsive by sending an ALIVE command. This does
  * not require the socket server to be active.
  */
     static int

src/tabpanel.c

@@ -150,7 +150,7 @@ draw_tabpanel(void)
     if (maxwidth == 0)
 	return;
 
-    // Reset got_int to avoid build_stl_str_hl() isn't evaluted.
+    // Reset got_int to avoid build_stl_str_hl() isn't evaluated.
     got_int = FALSE;
 
     if (tpl_is_vert)

src/term.c

@@ -5911,7 +5911,7 @@ handle_osc(char_u *tp, int len, char_u *key_name, int *slen)
 	LOG_TRN("Received OSC response: %s", (char*)tp);
 	// Check if it is a valid OSC sequence, and consume it. OSC format
 	// consists of:
-	// <idenfitifer><data><terminator>
+	// <identifier><data><terminator>
 	// <identifier> is either <Esc>] or an OSC character
 	// <terminator> can be '\007', <Esc>\ or STERM.
 	cur = 1 + (tp[0] == ESC);

src/testdir/test_ins_complete.vim

@@ -5023,7 +5023,7 @@ func Test_nonkeyword_trigger()
   call assert_equal('a#', getline('.'))
   set completeopt&
 
-  " Test 2: Filter nonkeyword and keyword matches with differet startpos
+  " Test 2: Filter nonkeyword and keyword matches with different startpos
   set completeopt+=menuone,noselect
   call feedkeys("S#a\<C-N>b\<F2>\<F3>\<Esc>0", 'tx!')
   call assert_equal(['abc', 'abcd', '#abar'], b:matches->mapnew('v:val.word'))
@@ -5144,7 +5144,7 @@ func Test_autocomplete_trigger()
   call assert_equal(2, g:CallCount)
   call assert_equal('a#', getline('.'))
 
-  " Test 2: Filter nonkeyword and keyword matches with differet startpos
+  " Test 2: Filter nonkeyword and keyword matches with different startpos
   for fuzzy in range(2)
     if fuzzy
       set completeopt+=fuzzy

src/testdir/test_vim9_class.vim

@@ -12518,7 +12518,7 @@ def Test_super_keyword()
   END
   v9.CheckSourceFailure(lines, 'E1326: Variable "foo" not found in object "B"')
 
-  # Using super to access an overriden method in the parent class
+  # Using super to access an overridden method in the parent class
   lines =<< trim END
     vim9script
 

src/testdir/test_wayland.vim

@@ -137,7 +137,7 @@ func Test_wayland_wlrestore()
 
   call assert_equal('2', getreg('+'))
 
-  " Check if wlrestore doesn't disconnect the display if not nessecary by seeing
+  " Check if wlrestore doesn't disconnect the display if not necessary by seeing
   " if Vim doesn't lose the selection
   call setreg('+', 'testing', 'c')
 
@@ -209,7 +209,7 @@ func Test_wayland_paste()
 
   bw!
 
-  " Check behaviour when selecton is cleared (empty)
+  " Check behaviour when selection is cleared (empty)
   call system('wl-copy --clear')
   call assert_fails('put +', 'E353:')
 endfunc

src/testdir/test_xxd.vim

@@ -702,7 +702,7 @@ func Test_xxd_overflow()
   bw!
 endfunc
 
-" this caused a NULL derefence
+" this caused a NULL dereference
 func Test_xxd_null_dereference()
   CheckUnix
   CheckExecutable /bin/true

src/wayland.c

@@ -30,7 +30,7 @@ typedef struct {
     struct wl_seat  *proxy;
     char	    *label;	    // Name of seat as text (e.g. seat0,
 				    // seat1...).
-    uint32_t	    capabilities;   // Bitmask of the capabilites of the seat
+    uint32_t	    capabilities;   // Bitmask of the capabilities of the seat
 				    // (pointer, keyboard, touch).
 } vwl_seat_T;
 
@@ -618,7 +618,7 @@ vwl_log_handler(const char *fmt, va_list args)
 /*
  * Connect to the display with name; passing NULL will use libwayland's way of
  * getting the display. Additionally get the registry object but will not
- * starting listening. Returns OK on sucess and FAIL on failure.
+ * starting listening. Returns OK on success and FAIL on failure.
  */
     static int
 vwl_connect_display(const char *display)
@@ -2275,7 +2275,7 @@ wayland_cb_own_selection(
 	    // better to do it this way. Additionally other Wayland applications
 	    // seem to set the selection every time.
 	    //
-	    // There should be no noticable performance change since its not
+	    // There should be no noticeable performance change since its not
 	    // like this is running in the background constantly in Vim, only
 	    // runs once when the user yanks text to the system clipboard.
 	    vwl_data_source_destroy(&clip_sel->source, FALSE);