;;; ediff-util.el --- the core commands and utilities of ediff
;; Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-;; 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+;; 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Author: Michael Kifer <kifer@cs.stonybrook.edu>
(defun ediff-file-checked-in-p (file)
(and (featurep 'vc-hooks)
- ;; CVS files are considered not checked in
- (not (memq (vc-backend file) '(nil CVS)))
+ ;; Only RCS and SCCS files are considered checked in
+ (memq (vc-backend file) '(RCS SCCS))
(if (fboundp 'vc-state)
(and
(not (memq (vc-state file) '(edited needs-merge)))