--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/prim/cus-start.el	Mon Aug 13 09:26:39 2007 +0200
@@ -0,0 +1,136 @@
+;;; cus-start.el --- define customization properties of builtins.
+;;
+;; Copyright (C) 1997 Free Software Foundation, Inc.
+;;
+;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
+;; Keywords: internal
+
+;;; Commentary:
+;;
+;; Must be run before the user has changed the value of any options!
+
+;;; Code:
+
+(require 'custom)
+
+(defun custom-start-quote (sexp)
+  ;; This is copied from `cus-edit.el'.
+  "Quote SEXP iff it is not self quoting."
+  (if (or (memq sexp '(t nil))
+	  (and (symbolp sexp)
+	       (eq (aref (symbol-name sexp) 0) ?:))
+	  (and (listp sexp)
+	       (memq (car sexp) '(lambda)))
+	  (stringp sexp)
+	  (numberp sexp)
+	  (and (fboundp 'characterp)
+	       (characterp sexp)))
+      sexp
+    (list 'quote sexp)))
+
+;; The file names below are unreliable, as they are from Emacs 19.34.
+(let ((all '(;; abbrev.c 
+	     (abbrev-all-caps abbrev-mode boolean)
+	     (pre-abbrev-expand-hook abbrev-mode hook)
+	     ;; alloc.c
+	     (gc-cons-threshold alloc integer)
+	     ;; buffer.c
+	     (modeline-format modeline sexp) ;Hard to do right.
+	     (default-major-mode internal function)
+	     (case-fold-search matching boolean)
+	     (fill-column fill integer)
+	     (left-margin fill integer)
+	     (tab-width editing-basics integer)
+	     (ctl-arrow display boolean)
+	     (truncate-lines display boolean)
+	     (selective-display display 
+				(choice (const :tag "off" nil)
+					(integer :tag "space"
+						 :format "%v"
+						 1)
+					(const :tag "on" t)))
+	     (selective-display-ellipses display boolean)
+	     ;; callproc.c
+	     (shell-file-name execute file)
+	     (exec-path execute
+			(repeat (choice (const :tag "default" nil)
+					(file :format "%v"))))
+	     ;; dired.c
+	     (completion-ignored-extensions dired 
+					    (repeat (string :format "%v")))
+	     ;; dispnew.el
+	     (visible-bell display boolean)
+	     (no-redraw-on-reenter display boolean)
+	     ;; eval.c
+	     (max-specpdl-size limits integer)
+	     (max-lisp-eval-depth limits integer)
+	     (stack-trace-on-error debug
+				   (choice (const :tag "off")
+					   (repeat :menu-tag "When"
+						   :value (nil)
+						   (symbol :format "%v"))
+					   (const :tag "always" t)))
+	     (debug-on-error debug 
+			     (choice (const :tag "off")
+				     (repeat :menu-tag "When"
+					     :value (nil)
+					     (symbol :format "%v"))
+				     (const :tag "always" t)))
+	     (debug-on-quit debug choice)
+	     ;; frame.c
+	     (default-frame-plist frames
+	       (repeat (cons :format "%v"
+			     (symbol :tag "Parameter")
+			     (sexp :tag "Value"))))
+	     ;; indent.c
+	     (indent-tabs-mode fill boolean)
+	     ;; keyboard.c
+	     (meta-prefix-char keyboard character)
+	     (auto-save-interval auto-save integer)
+	     (echo-keystrokes minibuffer boolean)
+	     (help-char keyboard character)
+	     ;; lread.c
+	     (load-path environment 
+			(repeat (choice :tag "Directory"
+					(const :tag "default" nil)
+					(directory :format "%v"))))
+	     ;; process.c
+	     (delete-exited-processes proces-basics boolean)
+	     ;; syntax.c
+	     (parse-sexp-ignore-comments editing-basics boolean)
+	     (words-include-escapes editing-basics boolean)
+	     ;; window.c
+	     (temp-buffer-show-function windows function)
+	     (next-screen-context-lines windows boolean)
+	     (window-min-height windows integer)
+	     (window-min-width windows integer)
+	     ;; xdisp.c
+	     (scroll-step windows integer)
+	     (truncate-partial-width-windows display boolean)
+	     ;; xfns.c
+	     (x-bitmap-file-path installation
+				 (repeat (directory :format "%v")))))
+      this symbol group type)
+  (while all 
+    (setq this (car all)
+	  all (cdr all)
+	  symbol (nth 0 this)
+	  group (nth 1 this)
+	  type (nth 2 this))
+    (if (not (boundp symbol))
+	;; This is loaded so early, there is no message
+	(if (fboundp 'message)
+	    ;; If variables are removed from C code, give an error here!
+	    (message "Intrinsic `%S' not bound" symbol))
+      ;; This is called before any user can have changed the value.
+      (put symbol 'factory-value 
+	   (list (custom-start-quote (default-value symbol))))
+      ;; Add it to the right group.
+      (custom-add-to-group group symbol 'custom-variable)
+      ;; Set the type.
+      (put symbol 'custom-type type))))
+
+;; This is to prevent it from being reloaded by `cus-load.el'.
+(provide 'cus-start)
+
+;;; cus-start.el ends here.