(stringp (vc-sccs-search-project-dir (or (file-name-directory file) "")
(file-name-nondirectory file)))))
-(defun vc-sccs-checkin (files rev comment &optional extra-args-ignored)
+(defun vc-sccs-checkin (files rev comment)
"SCCS-specific version of `vc-backend-checkin'."
(dolist (file (vc-expand-dirs files))
(apply 'vc-sccs-do-command nil 0 "delta" (vc-name file)