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;;; cus-start.el --- define customization properties of builtins.
;;
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;; Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
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;;
;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
;; Keywords: internal

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;; This file is part of GNU Emacs.

;; GNU Emacs 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.

;; GNU Emacs 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 GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

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;;; Commentary:
;;
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;; This file adds customize support for built-in variables.
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;; While dumping Emacs, this file is loaded, but it only records
;; the standard values; it does not do the rest of the job.
;; Later on, if the user makes a customization buffer,
;; this file is loaded again with (require 'cus-start);
;; then it does the whole job.
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;;; Code:
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(let ((all '(;; abbrev.c 
	     (abbrev-all-caps abbrev-mode boolean)
	     (pre-abbrev-expand-hook abbrev-mode hook)
	     ;; alloc.c
	     (gc-cons-threshold alloc integer)
	     (undo-limit undo integer)
	     (undo-strong-limit undo integer)
	     (garbage-collection-messages alloc boolean)
	     ;; buffer.c
	     (mode-line-format modeline sexp) ;Hard to do right.
	     (default-major-mode internal function)
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	     (enable-multibyte-characters mule boolean)
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	     (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-ellipses display boolean)
	     (transient-mark-mode editing-basics boolean)
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	     (indicate-empty-lines display boolean "21.1")
	     (scroll-up-aggressively windows boolean "21.1")
	     (scroll-down-aggressively windows boolean "21.1")
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	     ;; callint.c
	     (mark-even-if-inactive editing-basics boolean)
	     ;; callproc.c
	     (shell-file-name execute file)
	     (exec-path execute
			(repeat (choice (const :tag "default" nil)
					(file :format "%v"))))
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	     ;; coding.c
	     (inhibit-eol-conversion mule boolean)
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	     (eol-mnemonic-undecided mule string)
	     (eol-mnemonic-unix mule string)
	     (eol-mnemonic-dos mule string)
	     (eol-mnemonic-mac mule string)
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	     ;; dired.c
	     (completion-ignored-extensions dired 
					    (repeat (string :format "%v")))
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	     ;; dispnew.c
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	     (baud-rate display integer)
	     (inverse-video display boolean)
	     (visible-bell display boolean)
	     (no-redraw-on-reenter display boolean)
	     ;; editfns.c
	     (user-full-name mail string)
	     ;; 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-ignored-errors debug (repeat (choice symbol regexp)))
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	     (debug-on-quit debug
			    (choice (const :tag "off")
				    (repeat :menu-tag "When"
					    :value (nil)
					    (symbol :format "%v"))
				    (const :tag "always" t)))
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	     ;; fileio.c
	     (insert-default-directory minibuffer boolean)
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	     ;; fns.c
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	     (use-dialog-box menu boolean "21.1")
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	     ;; frame.c
	     (default-frame-alist 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)
	     (auto-save-timeout auto-save (choice (const :tag "off" nil)
						  (integer :format "%v")))
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	     (echo-keystrokes minibuffer number)
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	     (polling-period keyboard integer)
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	     (double-click-time mouse (restricted-sexp
				       :match-alternatives (integerp 'nil 't)))
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	     (inhibit-local-menu-bar-menus menu boolean)
	     (help-char keyboard character)
	     (help-event-list keyboard (repeat (sexp :format "%v")))
	     (menu-prompting menu boolean)
	     (suggest-key-bindings keyboard (choice (const :tag "off" nil)
						    (integer :tag "time" 2)
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						    (other :tag "on")))
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	     ;; lread.c
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;; This is not good news because it will use the wrong
;; version-specific directories when you upgrade.  We need
;; customization of the front of the list, maintaining the standard
;; value intact at the back.
;;; 	     (load-path environment 
;;; 			(repeat (choice :tag "[Current dir?]"
;;; 					:format "%[Current dir?%] %v"
;;; 					(const :tag " current dir" nil)
;;;					(directory :format "%v"))))
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	     ;; minibuf.c
	     (completion-auto-help minibuffer boolean)
	     (enable-recursive-minibuffers minibuffer boolean)
	     (minibuffer-auto-raise minibuffer boolean)
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	     ;; msdos.c
	     (dos-unsupported-char-glyph display integer)
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	     ;; process.c
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	     (delete-exited-processes processes-basics boolean)
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	     ;; syntax.c
	     (parse-sexp-ignore-comments editing-basics boolean)
	     (words-include-escapes editing-basics boolean)
	     ;; window.c
	     (temp-buffer-show-function windows function)
	     (display-buffer-function windows function)
	     (pop-up-frames frames boolean)
	     (pop-up-frame-function frames function)
	     (special-display-buffer-names 
	      frames 
	      (repeat (choice :tag "Buffer"
			      :value ""
			      (string :format "%v")
			      (cons :tag "With attributes"
				    :format "%v"
				    :value ("" . nil)
				    (string :format "%v")
				    (repeat :tag "Attributes"
					    (cons :format "%v"
						  (symbol :tag "Parameter")
						  (sexp :tag "Value")))))))
	     (special-display-regexps
	      frames 
	      (repeat (choice :tag "Buffer"
			      :value ""
			      (regexp :format "%v")
			      (cons :tag "With attributes"
				    :format "%v"
				    :value ("" . nil)
				    (regexp :format "%v")
				    (repeat :tag "Attributes"
					    (cons :format "%v"
						  (symbol :tag "Parameter")
						  (sexp :tag "Value")))))))
	     (special-display-function frames function)
	     (same-window-buffer-names windows (repeat (string :format "%v")))
	     (same-window-regexps windows (repeat (regexp :format "%v")))
	     (pop-up-windows windows boolean)
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	     (next-screen-context-lines windows integer)
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	     (split-height-threshold windows integer)
	     (window-min-height windows integer)
	     (window-min-width windows integer)
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	     (scroll-preserve-screen-position windows boolean)
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	     ;; xdisp.c
	     (scroll-step windows integer)
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	     (scroll-conservatively windows integer)
	     (scroll-margin windows integer)
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	     (truncate-partial-width-windows display boolean)
	     (mode-line-inverse-video modeline boolean)
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	     (line-number-display-limit display
					(choice integer
						(const :tag "No limit" nil)))
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	     (highlight-nonselected-windows display boolean)
	     (message-log-max debug (choice (const :tag "Disable" nil)
					    (integer :menu-tag "lines"
						     :format "%v")
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					    (other :tag "Unlimited" t)))
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	     (unibyte-display-via-language-environment mule boolean)
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	     ;; xfns.c
	     (x-bitmap-file-path installation
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				 (repeat (directory :format "%v")))
	     ;; xterm.c
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	     (x-stretch-cursor display boolean "21.1")))
      this symbol group type native-p version
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      ;; This function turns a value
      ;; into an expression which produces that value.
      (quoter (lambda (sexp)
		(if (or (memq sexp '(t nil))
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			(keywordp sexp)
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			(and (listp sexp)
			     (memq (car sexp) '(lambda)))
			(stringp sexp)
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;; 			(and (fboundp 'characterp)
;; 			     (characterp sexp))
			(numberp sexp))
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		    sexp
		  (list 'quote sexp)))))
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  (while all 
    (setq this (car all)
	  all (cdr all)
	  symbol (nth 0 this)
	  group (nth 1 this)
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	  type (nth 2 this)
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	  version (nth 3 this)
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	  ;; Don't complain about missing variables which are
	  ;; irrelevant to this platform.
	  native-p (save-match-data
		     (cond
		      ((string-match "\\`dos-" (symbol-name symbol))
		       (eq system-type 'ms-dos))
		      ((string-match "\\`w32-" (symbol-name symbol))
		       (eq system-type 'windows-nt))
		      (t t))))
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    (if (not (boundp symbol))
	;; If variables are removed from C code, give an error here!
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	(and native-p
	     (message "Note, built-in variable `%S' not bound" symbol))
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      ;; Save the standard value, unless we already did.
      (or (get symbol 'standard-value)
	  (put symbol 'standard-value 
	       (list (funcall quoter (default-value symbol)))))
      ;; If this is NOT while dumping Emacs,
      ;; set up the rest of the customization info.
      (unless purify-flag
	;; Add it to the right group.
	(custom-add-to-group group symbol 'custom-variable)
	;; Set the type.
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	(put symbol 'custom-type type)
	(put symbol 'custom-version version)))))
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;; Record cus-start as loaded
;; if we have set up all the info that we can set up.
;; Don't record cus-start as loaded
;; if we have set up only the standard values.
(unless purify-flag
  (provide 'cus-start))
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;;; cus-start.el ends here.