Mention nt and nextstep INSTALL files at the start.

diff --git a/INSTALL b/INSTALL
index 75d691f2b6c663fa99cdc948aaad414b3b7cd244..24c1210d0d6e517c2cae59b39bca4804fced0ffc 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -4,6 +4,11 @@ Copyright (C) 1992, 1994, 1996, 1997, 2000, 2001, 2002, 2003, 2004,
 See the end of the file for license conditions.
 
 
+This file contains general information.  For more specific information
+for the Windows, and GNUStep/Mac OS X ports, also see the files
+nt/INSTALL and nextstep/INSTALL.
+
+
 BASIC INSTALLATION
 
 The simplest way to build Emacs is to use the `configure' shell script