--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/very-early-lisp.el	Mon Aug 13 11:28:15 2007 +0200
@@ -0,0 +1,72 @@
+;;; very-early-lisp.el --- Lisp support always needed by temacs
+
+;; Copyright (C) 1998 by Free Software Foundation, Inc.
+
+;; Author: SL Baur <steve@xemacs.org>
+;;  Michael Sperber [Mr. Preprocessor] <sperber@Informatik.Uni-Tuebingen.De>
+;; Keywords: internal, dumped
+
+;; This file is part of XEmacs.
+
+;; XEmacs is free software; you can redistribute it and/or modify it
+;; under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; XEmacs is distributed in the hope that it will be useful, but
+;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;; General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with XEmacs; see the file COPYING.  If not, write to the Free
+;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+;; 02111-1307, USA.
+
+;;; Synched up with: Not in FSF
+
+;;; Commentary:
+
+;; This file must be loaded by temacs if temacs is to process bytecode
+;; or dumped-lisp.el files.
+
+;;; Code:
+
+;;; Intended replacement for read-time Lisp reader macros #-, #+
+
+(defmacro assemble-list (&rest components)
+  "Assemble a list from COMPONENTS.
+This is a poor man's backquote:
+COMPONENTS is a list, each element of which is macro-expanded.
+Each macro-expanded element either has the form (SPLICE stuff),
+in which case stuff must be a list which is spliced into the result.
+Otherwise, the component becomes an element of the list."
+  (cons
+   'append
+   (mapcar #'(lambda (component)
+	       (let ((component (macroexpand-internal component)))
+		 (if (and (consp component)
+			  (eq 'splice (car component)))
+		     (car (cdr component))
+		   (list 'list component))))
+	   components)))
+
+(defmacro when-feature (feature stuff)
+  "Insert STUFF as a list element if FEATURE is a loaded feature.
+This is intended for use as a component of ASSEMBLE-LIST."
+  (list 'splice
+	(list 'if (list 'featurep (list 'quote feature))
+	      (list 'list stuff)
+	      '())))
+
+(defmacro unless-feature (feature stuff)
+  "Insert STUFF as a list element if FEATURE is NOT a loaded feature.
+This is intended for use as a component of ASSEMBLE-LIST."
+  (list 'splice
+	(list 'if (list 'featurep (list 'quote feature))
+	      '()
+	      (list 'list stuff))))
+
+(provide 'very-early-lisp)
+
+;;; very-early-lisp.el ends here