Spelling fixes for "does not exists".

lisp/cedet/semantic/bovine/el.el

@@ -474,7 +474,7 @@ Return a bovination list to use."
        ((and name (file-exists-p (concat name ".el.gz")))
 	;; This is the linux distro case.
 	(concat name ".el.gz"))
-       ;; source file does not exists
+       ;; Source file does not exist.
        (name
 	(message "semantic: cannot find source file %s" (concat name ".el")))
        (t

lisp/gnus/registry.el

@@ -228,7 +228,7 @@ With assert non-nil, errors out if the key does not exist already."
       (let ((entry (gethash key data)))
 	(when assert
 	  (assert entry nil
-		  "Key %s does not exists in database" key))
+		  "Key %s does not exist in database" key))
 	;; clean entry from the secondary indices
 	(dolist (tr tracked)
 	  ;; is this tracked symbol indexed?

lisp/net/tramp-compat.el

@@ -184,7 +184,7 @@
 	'file-expand-wildcards 'around 'tramp-advice-file-expand-wildcards)
        (ad-activate 'file-expand-wildcards)))))
 
-;; `with-temp-message' does not exists in XEmacs.
+;; `with-temp-message' does not exist in XEmacs.
 (if (fboundp 'with-temp-message)
     (defalias 'tramp-compat-with-temp-message 'with-temp-message)
   (defmacro tramp-compat-with-temp-message (message &rest body)
@@ -292,7 +292,7 @@ Not actually used.  Use `(format \"%o\" i)' instead?"
       (error "Non-octal junk in string `%s'" x))
     (string-to-number ostr 8)))
 
-;; ID-FORMAT does not exists in XEmacs.
+;; ID-FORMAT does not exist in XEmacs.
 (defun tramp-compat-file-attributes (filename &optional id-format)
   "Like `file-attributes' for Tramp files (compat function)."
   (cond

lisp/org/org-freemind.el

@@ -598,7 +598,7 @@ DRAWERS-REGEXP are converted to freemind notes."
 
 (defun org-freemind-check-overwrite (file interactively)
   "Check if file FILE already exists.
-If FILE does not exists return t.
+If FILE does not exist return t.
 
 If INTERACTIVELY is non-nil ask if the file should be replaced
 and return t/nil if it should/should not be replaced.

src/gfilenotify.c

@@ -173,7 +173,7 @@ will be reported only in case of the 'moved' event.  */)
   CHECK_STRING (file);
   file = Fdirectory_file_name (Fexpand_file_name (file, Qnil));
   if (NILP (Ffile_exists_p (file)))
-    report_file_error ("File does not exists", Fcons (file, Qnil));
+    report_file_error ("File does not exist", list1 (file));
 
   CHECK_LIST (flags);