> > but this function doesn't seem to be in my emacs
>
> What I don't understand is that I'm sure I had it in my Emacs
> yesterday, but I don't have it anymore today. Must be hidden somewhere
> in my configuration in a file I didn't load yet ;-)
M-x find-function is available on your Emacs?
M-x find-function
Find Function: replace-in-string
On my Emacs configuration, I can find
(or (fboundp 'replace-in-string)
(defun replace-in-string (target old new)
(replace-regexp-in-string old new target)))
in func-menu.el:
;;; func-menu.el --- Jump to a function within a buffer.
;;;
;;; David Hughes <[EMAIL PROTECTED]>
;;; Last Modified: David Hughes 9th November 1998
;;; Version: 2.63
;;; Keywords: tools, c, lisp
M-x find-function
Find Function: find-function
;;; find-func.el --- find the definition of the Emacs Lisp function near point
;; Copyright (C) 1997, 1999, 2001, 2004 Free Software Foundation, Inc.
;; Author: Jens Petersen <[EMAIL PROTECTED]>
;; Maintainer: [EMAIL PROTECTED]
;; Keywords: emacs-lisp, functions, variables
;; Created: 97/07/25
How about on your Emacs?