1 files changed, 23 insertions, 6 deletions

diff --git a/lisp/vc.el b/lisp/vc.el
index 27490df9b9d..01b8b26d3bc 100644
--- a/lisp/vc.el
+++ b/lisp/vc.el
@@ -1115,6 +1115,7 @@ A prefix argument means do not revert the buffer afterwards."
 The mark is left at the end of the text prepended to the change log.
 With prefix arg of C-u, only find log entries for the current buffer's file.
 With any numeric prefix arg, find log entries for all files currently visited.
+Otherwise, find log entries for all registered files in the default directory.
 From a program, any arguments are passed to the `rcs2log' script."
   (interactive
    (cond ((consp current-prefix-arg)    ;C-u
@@ -1126,9 +1127,18 @@ From a program, any arguments are passed to the `rcs2log' script."
             (while buffers
               (setq file (buffer-file-name (car buffers)))
               (and file (vc-backend-deduce file)
-                   (setq files (cons (file-relative-name file) files)))
+                   (setq files (cons file files)))
               (setq buffers (cdr buffers)))
-            files))))
+            files))
+         (t
+          (let ((RCS (concat default-directory "RCS")))
+            (and (file-directory-p RCS)
+                 (mapcar (function
+                          (lambda (f)
+                            (if (string-match "\\(.*\\),v$" f)
+                                (substring f 0 (match-end 1))
+                              f)))
+                         (directory-files RCS nil "...\\|^[^.]\\|^.[^.]")))))))
   (let ((odefault default-directory))
     (find-file-other-window (find-change-log))
     (barf-if-buffer-read-only)
@@ -1137,10 +1147,17 @@ From a program, any arguments are passed to the `rcs2log' script."
     (goto-char (point-min))
     (push-mark)
     (message "Computing change log entries...")
-    (let ((default-directory odefault))
-      (message "Computing change log entries... %s"
-               (if (eq 0 (apply 'call-process "rcs2log" nil t nil args))
-                   "done" "failed")))))
+    (message "Computing change log entries... %s"
+             (if (or (null args)
+                     (eq 0 (apply 'call-process "rcs2log" nil t nil
+                                  (mapcar (function
+                                           (lambda (f)
+                                             (file-relative-name
+                                              (if (file-name-absolute-p f)
+                                                  f
+                                                (concat odefault f)))))
+                                          args))))
+                 "done" "failed"))))
 
 ;; Functions for querying the master and lock files.