* configure.in: Explain that this is an autoconf script, and give

	instructions for rebuilding configure from it.  Arrange to put
	comments in configure explaining this too.

diff --git a/configure1.in b/configure1.in
index 5be452744f5f5881cf5fe28f2c1399b1f7c8f043..7a56f8cf055cd349f39dd80fa13133979c1d1000 100755 (executable)
--- a/configure1.in
+++ b/configure1.in
@@ -1,8 +1,22 @@
 dnl This is an autoconf script.
+dnl To rebuild the `configure' script from this, execute the command
+dnl    autoconf
+dnl in the directory containing this script.  You must have autoconf
+dnl version 1.4 or later.
+dnl
+dnl The following text appears in the resulting `configure' script,
+dnl explaining how to rebuild it.
 [#!/bin/sh
 #### Configuration script for GNU Emacs
 #### Copyright (C) 1992 Free Software Foundation, Inc.
 
+### Don't edit this script!
+### This script was automatically generated by the `autoconf' program
+### from the file `./configure.in'.
+### To rebuild it, execute the command
+###    autoconf
+### in the this directory.  You must have autoconf version 1.4 or later.
+
 ### This file is part of GNU Emacs.
 
 ### GNU Emacs is free software; you can redistribute it and/or modify