* doc/lispref/backups.texi (Backup Names): Ditto.
* lisp/files.el (file-backup-file-names): Clarify sorting order.
@defun file-backup-file-names filename
This function returns a list of all the backup file names for
@var{filename}, or @code{nil} if there are none. The files are sorted
-so that the most recent backup file comes first in the list.
+by modification time, descending, so that the most recent files are
+first.
@end defun
@defun file-newest-backup filename
(defun file-backup-file-names (filename)
"Return a list of backup files for FILENAME.
-The list will be sorted by newness."
+The list will be sorted by modification time so that the most
+recent files are first."
;; `make-backup-file-name' will get us the right directory for
;; ordinary or numeric backups. It might create a directory for
;; backups as a side-effect, according to `backup-directory-alist'.