--- a/lisp/bytecomp-runtime.el	Thu Dec 16 22:53:17 2004 +0000
+++ b/lisp/bytecomp-runtime.el	Fri Dec 17 18:11:47 2004 +0000
@@ -92,10 +92,12 @@
 ;	      (list 'put (list 'quote name)
 ;		    ''byte-optimizer ''byte-compile-inline-expand))))
 
-(defun make-obsolete (fn new)
+(defun make-obsolete (fn new &optional when)
   "Make the byte-compiler warn that function FN is obsolete.
 The warning will say that NEW should be used instead.
-If NEW is a string, that is the `use instead' message."
+If NEW is a string, that is the `use instead' message.
+If provided, WHEN should be a string indicating when the function
+was first made obsolete, for example a date or a release number."
   (interactive "aMake function obsolete: \nxObsoletion replacement: ")
   (let ((handler (get fn 'byte-compile)))
     (if (eq 'byte-compile-obsolete handler)
@@ -104,10 +106,12 @@
       (put fn 'byte-compile 'byte-compile-obsolete)))
   fn)
 
-(defun make-obsolete-variable (var new)
+(defun make-obsolete-variable (var new &optional when)
   "Make the byte-compiler warn that variable VAR is obsolete,
 and NEW should be used instead.  If NEW is a string, then that is the
-`use instead' message."
+`use instead' message.
+If provided, WHEN should be a string indicating when the variable
+was first made obsolete, for example a date or a release number."
   (interactive
    (list
     (let ((str (completing-read "Make variable obsolete: " obarray 'boundp t)))