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Патч: emacs-21.2-HEAD-pc-select.diff
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/emulation/pc-select.el,v
retrieving revision 1.19
retrieving revision 1.23
diff -u -r1.19 -r1.23
--- emacs/emacs/lisp/emulation/pc-select.el 2001/07/16 12:22:59 1.19
+++ emacs/emacs/lisp/emulation/pc-select.el 2002/03/18 04:31:36 1.23
@@ -2,7 +2,7 @@
;;; (or MAC GUI or MS-windoze (bah)) look-and-feel
;;; including key bindings.
-;; Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
;; Author: Michael Staats <michael@thp.Uni-Duisburg.DE>
;; Keywords: convenience emulation
@@ -79,7 +79,7 @@
;;; Code:
-;;;; Customization:
+;; Customization:
(defgroup pc-select nil
"Emulate pc bindings."
:prefix "pc-select"
@@ -108,6 +108,151 @@
:type 'boolean
:group 'pc-select)
+(defcustom pc-selection-mode-hook nil
+ "The hook to run when pc-selection-mode is toggled."
+ :type 'hook
+ :group 'pc-select)
+
+(defvar pc-select-saved-settings-alist nil
+ "The values of the variables before `pc-selection-mode' was toggled on.
+When `pc-selection-mode' is toggled on, it sets quite a few variables
+for its own purposes. This alist holds the original values of the
+variables `pc-selection-mode' had set, so that these variables can be
+restored to their original values when `pc-selection-mode' is toggled off.")
+
+(defvar pc-select-map nil
+ "The keymap used as the global map when `pc-selection-mode' is on." )
+
+(defvar pc-select-saved-global-map nil
+ "The global map that was in effect when `pc-selection-mode' was toggled on.")
+
+(defvar pc-select-key-bindings-alist nil
+ "This alist holds all the key bindings `pc-selection-mode' sets.")
+
+(defvar pc-select-default-key-bindings nil
+ "These key bindings always get set by `pc-selection-mode'.")
+
+(unless pc-select-default-key-bindings
+ (let ((lst
+ ;; This is to avoid confusion with the delete-selection-mode
+ ;; On simple displays you cant see that a region is active and
+ ;; will be deleted on the next keypress IMHO especially for
+ ;; copy-region-as-kill this is confusing.
+ ;; The same goes for exchange-point-and-mark
+ '(("\M-w" . copy-region-as-kill-nomark)+ ("\C-x\C-x" . exchange-point-and-mark-nomark)+ ([S-right] . forward-char-mark)
+ ([right] . forward-char-nomark)
+ ([C-S-right] . forward-word-mark)
+ ([C-right] . forward-word-nomark)
+ ([S-left] . backward-char-mark)
+ ([left] . backward-char-nomark)
+ ([C-S-left] . backward-word-mark)
+ ([C-left] . backward-word-nomark)
+ ([S-down] . next-line-mark)
+ ([down] . next-line-nomark)
+
+ ([S-end] . end-of-line-mark)
+ ([end] . end-of-line-nomark)
+ ([S-C-end] . end-of-buffer-mark)
+ ([C-end] . end-of-buffer-nomark)
+ ([S-M-end] . end-of-buffer-mark)
+ ([M-end] . end-of-buffer-nomark)
+
+ ([S-next] . scroll-up-mark)
+ ([next] . scroll-up-nomark)
+
+ ([S-up] . previous-line-mark)
+ ([up] . previous-line-nomark)
+
+ ([S-home] . beginning-of-line-mark)
+ ([home] . beginning-of-line-nomark)
+ ([S-C-home] . beginning-of-buffer-mark)
+ ([C-home] . beginning-of-buffer-nomark)
+ ([S-M-home] . beginning-of-buffer-mark)
+ ([M-home] . beginning-of-buffer-nomark)
+
+ ([M-S-down] . forward-line-mark)
+ ([M-down] . forward-line-nomark)
+ ([M-S-up] . backward-line-mark)
+ ([M-up] . backward-line-nomark)
+
+ ([S-prior] . scroll-down-mark)
+ ([prior] . scroll-down-nomark)
+
+ ;; Next four lines are from Pete Forman.
+ ([C-down] . forward-paragraph-nomark) ; KNextPara cDn
+ ([C-up] . backward-paragraph-nomark) ; KPrevPara cUp
+ ([S-C-down] . forward-paragraph-mark)
+ ([S-C-up] . backward-paragraph-mark))))
+
+ (setq pc-select-default-key-bindings lst)))
+
+(defvar pc-select-extra-key-bindings nil
+ "Key bindings to set only if `pc-select-selection-keys-only' is nil.")
+
+;; The following keybindings are for standard ISO keyboards
+;; as they are used with IBM compatible PCs, IBM RS/6000,
+;; MACs, many X-Stations and probably more
+(unless pc-select-extra-key-bindings
+ (let ((lst
+ '(([S-insert] . yank)
+ ([C-insert] . copy-region-as-kill)
+ ([S-delete] . kill-region)
+
+ ;; The following bindings are useful on Sun Type 3 keyboards
+ ;; They implement the Get-Delete-Put (copy-cut-paste)
+ ;; functions from sunview on the L6, L8 and L10 keys
+ ;; Sam Steingold <sds@gnu.org> says that f16 is copy and f18 is paste.
+ ([f16] . copy-region-as-kill)
+ ([f18] . yank)
+ ([f20] . kill-region)
+
+ ;; The following bindings are from Pete Forman.
+ ([f6] . other-window) ; KNextPane F6
+ ([C-delete] . kill-line) ; KEraseEndLine cDel
+ ("\M-\d" . undo) ; KUndo aBS+
+ ;; The following binding is taken from pc-mode.el
+ ;; as suggested by RMS.
+ ;; I only used the one that is not covered above.
+ ([C-M-delete] . kill-sexp)
+ ;; Next line proposed by Eli Barzilay
+ ([C-escape] . electric-buffer-list))))
+
+ (setq pc-select-extra-key-bindings lst)))
+
+(defvar pc-select-meta-moves-sexps-key-bindings
+ '((([M-S-right] . forward-sexp-mark)
+ ([M-right] . forward-sexp-nomark)
+ ([M-S-left] . backward-sexp-mark)
+ ([M-left] . backward-sexp-nomark))
+ (([M-S-right] . forward-word-mark)
+ ([M-right] . forward-word-nomark)
+ ([M-S-left] . backward-word-mark)
+ ([M-left] . backward-word-nomark)))
+ "The list of key bindings controlled by `pc-select-meta-moves-sexp'.
+The bindings in the car of this list get installed if
+`pc-select-meta-moves-sexp' is t, the bindings in the cadr of this
+list get installed otherwise.")
+
+;; This is for tty. We don't turn on normal-erase-is-backspace,
+;; but bind keys as pc-selection-mode did before
+;; normal-erase-is-backspace was invented, to keep us back
+;; compatible.
+(defvar pc-select-tty-key-bindings
+ '(([delete] . delete-char) ; KDelete Del
+ ([C-backspace] . backward-kill-word))
+ "The list of key bindings controlled by `pc-select-selection-keys-only'.
+These key bindings get installed when running in a tty, but only if
+`pc-select-selection-keys-only' is nil.")
+
+(defvar pc-select-old-M-delete-binding nil
+ "Holds the old mapping of [M-delete] in the `function-key-map'.
+This variable holds the value associated with [M-delete] in the
+`function-key-map' before `pc-selection-mode' had changed that
+association.")
+
;;;;
;; misc
;;;;
@@ -119,14 +264,15 @@
If `interprogram-cut-function' is non-nil, also save the text for a window
system cut and paste.
-Deactivating mark is to avoid confusion with delete-selection-mode
-and transient-mark-mode."
+Deactivating mark is to avoid confusion with `delete-selection-mode'
+and `transient-mark-mode'."
(interactive "r")
(copy-region-as-kill beg end)
(setq mark-active nil)
(message "Region saved"))
(defun exchange-point-and-mark-nomark ()
+ "Like `exchange-point-and-mark' but without activating the mark."
(interactive)
(exchange-point-and-mark)
(setq mark-active nil))
@@ -198,7 +344,7 @@
cursor to the end of the buffer \(if already at the end of the buffer, an error
is signaled).
-The command C-x C-n can be used to create
+The command \\[set-goal-column] can be used to create
a semipermanent goal column to which this command always moves.
Then it does not try to move vertically. This goal column is stored
in `goal-column', which is nil when there is none."
@@ -331,7 +477,7 @@
cursor to the end of the buffer (if already at the end of the buffer, an error
is signaled).
-The command C-x C-n can be used to create
+The command \\[set-goal-column] can be used to create
a semipermanent goal column to which this command always moves.
Then it does not try to move vertically. This goal column is stored
in `goal-column', which is nil when there is none."
@@ -453,7 +599,7 @@
the cursor is positioned after the character in that line which spans this
column, or at the end of the line if it is not long enough.
-The command C-x C-n can be used to create
+The command \\[set-goal-column] can be used to create
a semipermanent goal column to which this command always moves.
Then it does not try to move vertically.
@@ -555,7 +701,7 @@
the cursor is positioned after the character in that line which spans this
column, or at the end of the line if it is not long enough.
-The command C-x C-n can be used to create
+The command \\[set-goal-column] can be used to create
a semipermanent goal column to which this command always moves.
Then it does not try to move vertically."
(interactive "p")
@@ -605,8 +751,80 @@
(point-min))))
(if arg (forward-line 1)))
+
+(defun pc-select-define-keys (alist keymap)
+ "Make KEYMAP have the key bindings specified in ALIST."
+ (let ((lst alist))
+ (while lst
+ (define-key keymap (caar lst) (cdar lst))
+ (setq lst (cdr lst)))))
+
+(defun pc-select-restore-keys (alist keymap saved-map)
+ "Use ALIST to restore key bindings from SAVED-MAP into KEYMAP.
+Go through all the key bindings in ALIST, and, for each key
+binding, if KEYMAP and ALIST still agree on the key binding,
+restore the previous value of that key binding from SAVED-MAP."
+ (let ((lst alist))
+ (while lst
+ (when (equal (lookup-key keymap (caar lst)) (cdar lst))
+ (define-key keymap (caar lst) (lookup-key saved-map (caar lst))))
+ (setq lst (cdr lst)))))
+
+(defmacro pc-select-add-to-alist (alist var val)
+ "Ensure that ALIST contains the cons cell (VAR . VAL).
+If a cons cell whose car is VAR is already on the ALIST, update the
+cdr of that cell with VAL. Otherwise, make a new cons cell
+\(VAR . VAL), and prepend it onto ALIST."
+ (let ((elt (make-symbol "elt")))
+ `(let ((,elt (assq ',var ,alist)))
+ (if ,elt
+ (setcdr ,elt ,val)
+ (setq ,alist (cons (cons ',var ,val) ,alist))))))
+
+(defmacro pc-select-save-and-set-var (var newval)
+ "Set VAR to NEWVAL; save the old value.
+The old value is saved on the `pc-select-saved-settings-alist'."
+ `(when (boundp ',var)
+ (pc-select-add-to-alist pc-select-saved-settings-alist ,var ,var)
+ (setq ,var ,newval)))
+
+(defmacro pc-select-save-and-set-mode (mode &optional arg mode-var)
+ "Call the function MODE; save the old value of the variable MODE.
+MODE is presumed to be a function which turns on a minor mode. First,
+save the value of the variable MODE on `pc-select-saved-settings-alist'.
+Then, if ARG is specified, call MODE with ARG, otherwise call it with
+nil as an argument. If MODE-VAR is specified, save the value of the
+variable MODE-VAR (instead of the value of the variable MODE) on
+`pc-select-saved-settings-alist'."
+ (unless mode-var (setq mode-var mode))
+ `(when (fboundp ',mode)
+ (pc-select-add-to-alist pc-select-saved-settings-alist
+ ,mode-var ,mode-var)
+ (,mode ,arg)))
+
+(defmacro pc-select-restore-var (var)
+ "Restore the previous value of the variable VAR.
+Look up VAR's previous value in `pc-select-saved-settings-alist', and,
+if the value is found, set VAR to that value."
+ (let ((elt (make-symbol "elt")))
+ `(let ((,elt (assq ',var pc-select-saved-settings-alist)))
+ (unless (null ,elt)
+ (setq ,var (cdr ,elt))))))
+
+(defmacro pc-select-restore-mode (mode)
+ "Restore the previous state (either on or off) of the minor mode MODE.
+Look up the value of the variable MODE on `pc-select-saved-settings-alist'.
+If the value is non-nil, call the function MODE with an argument of
+1, otherwise call it with an argument of -1."
+ (let ((elt (make-symbol "elt")))
+ `(when (fboundp ',mode)
+ (let ((,elt (assq ',mode pc-select-saved-settings-alist)))
+ (unless (null ,elt)
+ (,mode (if (cdr ,elt) 1 -1)))))))
+
+
;;;###autoload
-(defun pc-selection-mode ()
+(define-minor-mode pc-selection-mode
"Change mark behaviour to emulate Motif, MAC or MS-Windows cut and paste style.
This mode enables Delete Selection mode and Transient Mark mode.
@@ -622,9 +840,9 @@
M-LEFT and M-RIGHT move back or forward one word or sexp, disabling the mark.
S-M-LEFT and S-M-RIGHT move back or forward one word or sexp, leaving the mark
-behind. To control wether these keys move word-wise or sexp-wise set the
-variable pc-select-meta-moves-sexps after loading pc-select.el but before
-turning pc-selection-mode on.
+behind. To control whether these keys move word-wise or sexp-wise set the
+variable `pc-select-meta-moves-sexps' after loading pc-select.el but before
+turning `pc-selection-mode' on.
C-DOWN and C-UP move back or forward a paragraph, disabling the mark.
S-C-DOWN and S-C-UP move back or forward a paragraph, leaving the mark behind.
@@ -645,8 +863,8 @@
C-INSERT copies the region into the kill ring (`copy-region-as-kill').
In addition, certain other PC bindings are imitated (to avoid this, set
-the variable pc-select-selection-keys-only to t after loading pc-select.el
-but before calling pc-selection-mode):
+the variable `pc-select-selection-keys-only' to t after loading pc-select.el
+but before calling `pc-selection-mode'):
F6 other-window
DELETE delete-char
@@ -655,129 +873,100 @@
C-M-DELETE kill-sexp
C-BACKSPACE backward-kill-word
M-BACKSPACE undo"
+ ;; FIXME: bring pc-bindings-mode here ?
+ nil nil nil
- (interactive)
- ;;
- ;; keybindings
- ;;
-
- ;; This is to avoid confusion with the delete-selection-mode
- ;; On simple displays you can't see that a region is active and
- ;; will be deleted on the next keypress. IMHO especially for
- ;; copy-region-as-kill this is confusing.
- ;; The same goes for exchange-point-and-mark
- (define-key global-map "\M-w" 'copy-region-as-kill-nomark)
- (define-key global-map "\C-x\C-x" 'exchange-point-and-mark-nomark)
- ;; The following keybindings are for standard ISO keyboards
- ;; as they are used with IBM compatible PCs, IBM RS/6000,
- ;; MACs, many X-Stations and probably more
- (define-key global-map [S-right] 'forward-char-mark)
- (define-key global-map [right] 'forward-char-nomark)
- (define-key global-map [C-S-right] 'forward-word-mark)
- (define-key global-map [C-right] 'forward-word-nomark)
- (define-key global-map [S-left] 'backward-char-mark)
- (define-key global-map [left] 'backward-char-nomark)
- (define-key global-map [C-S-left] 'backward-word-mark)
- (define-key global-map [C-left] 'backward-word-nomark)
- (cond (pc-select-meta-moves-sexps
- (define-key global-map [M-S-right] 'forward-sexp-mark)
- (define-key global-map [M-right] 'forward-sexp-nomark)
- (define-key global-map [M-S-left] 'backward-sexp-mark)
- (define-key global-map [M-left] 'backward-sexp-nomark))
- (t
- (define-key global-map [M-S-right] 'forward-word-mark)
- (define-key global-map [M-right] 'forward-word-nomark)
- (define-key global-map [M-S-left] 'backward-word-mark)
- (define-key global-map [M-left] 'backward-word-nomark)))
-
- (define-key global-map [S-down] 'next-line-mark)
- (define-key global-map [down] 'next-line-nomark)
-
- (define-key global-map [S-end] 'end-of-line-mark)
- (define-key global-map [end] 'end-of-line-nomark)
- (global-set-key [S-C-end] 'end-of-buffer-mark)
- (global-set-key [C-end] 'end-of-buffer-nomark)
- (global-set-key [S-M-end] 'end-of-buffer-mark)
- (global-set-key [M-end] 'end-of-buffer-nomark)
-
- (define-key global-map [S-next] 'scroll-up-mark)
- (define-key global-map [next] 'scroll-up-nomark)
-
- (define-key global-map [S-up] 'previous-line-mark)
- (define-key global-map [up] 'previous-line-nomark)
-
- (define-key global-map [S-home] 'beginning-of-line-mark)
- (define-key global-map [home] 'beginning-of-line-nomark)
- (global-set-key [S-C-home] 'beginning-of-buffer-mark)
- (global-set-key [C-home] 'beginning-of-buffer-nomark)
- (global-set-key [S-M-home] 'beginning-of-buffer-mark)
- (global-set-key [M-home] 'beginning-of-buffer-nomark)
-
- (define-key global-map [M-S-down] 'forward-line-mark)
- (define-key global-map [M-down] 'forward-line-nomark)
- (define-key global-map [M-S-up] 'backward-line-mark)
- (define-key global-map [M-up] 'backward-line-nomark)
-
- (define-key global-map [S-prior] 'scroll-down-mark)
- (define-key global-map [prior] 'scroll-down-nomark)
-
- ;; Next four lines are from Pete Forman.
- (global-set-key [C-down] 'forward-paragraph-nomark) ; KNextPara cDn
- (global-set-key [C-up] 'backward-paragraph-nomark) ; KPrevPara cUp
- (global-set-key [S-C-down] 'forward-paragraph-mark)
- (global-set-key [S-C-up] 'backward-paragraph-mark)
-
- (or pc-select-selection-keys-only
- (progn
- ;; We are behaving like normal-erase-is-backspace-mode, so
- ;; say so explicitly. But don't do that on a Unix tty, since
- ;; some of them have keyboards that by default already behave
- ;; as if normal-erase-is-backspace mode is on, and turning it
- ;; a second time screws them up.
- (if (or (eq window-system 'x)
- (memq system-name '(ms-dos windows-nt)))
- (progn
- (setq-default normal-erase-is-backspace t)
- (normal-erase-is-backspace-mode 1))
- ;; This is for tty. We don't turn on normal-erase-is-backspace,
- ;; but bind keys as pc-selection-mode did before
- ;; normal-erase-is-backspace was invented, to keep us back
- ;; compatible.
- (global-set-key [delete] 'delete-char) ; KDelete Del
- (define-key function-key-map [M-delete] [?\M-d])
- (global-set-key [C-backspace] 'backward-kill-word))
- (define-key global-map [S-insert] 'yank)
- (define-key global-map [C-insert] 'copy-region-as-kill)
- (define-key global-map [S-delete] 'kill-region)
-
- ;; The following bindings are useful on Sun Type 3 keyboards
- ;; They implement the Get-Delete-Put (copy-cut-paste)
- ;; functions from sunview on the L6, L8 and L10 keys
- ;; Sam Steingold <sds@gnu.org> says that f16 is copy and f18 is paste.
- (define-key global-map [f16] 'copy-region-as-kill)
- (define-key global-map [f18] 'yank)
- (define-key global-map [f20] 'kill-region)
-
- ;; The following bindings are from Pete Forman.
- (global-set-key [f6] 'other-window) ; KNextPane F6
- (global-set-key [C-delete] 'kill-line) ; KEraseEndLine cDel
- (global-set-key "\M-\d" 'undo) ; KUndo aBS
-
- ;; The following binding is taken from pc-mode.el
- ;; as suggested by RMS.
- ;; I only used the one that is not covered above.
- (global-set-key [C-M-delete] 'kill-sexp)
- ;; Next line proposed by Eli Barzilay
- (global-set-key [C-escape] 'electric-buffer-list)))
- ;;
- ;; setup
- ;;
- ;; Next line proposed by Eli Barzilay
- (setq highlight-nonselected-windows nil)
- (setq transient-mark-mode t)
- (setq mark-even-if-inactive t)
- (delete-selection-mode 1)
-)
+ :group 'pc-select
+ :global t
+
+ (if pc-selection-mode
+ (if (null pc-select-key-bindings-alist)
+ (progn
+ (setq pc-select-saved-global-map (copy-keymap (current-global-map)))
+ (setq pc-select-key-bindings-alist
+ (append pc-select-default-key-bindings
+ (if pc-select-selection-keys-only
+ nil
+ pc-select-extra-key-bindings)
+ (if pc-select-meta-moves-sexps
+ (car pc-select-meta-moves-sexps-key-bindings)
+ (cadr pc-select-meta-moves-sexps-key-bindings))
+ (if (or pc-select-selection-keys-only
+ (eq window-system 'x)
+ (memq system-name '(ms-dos windows-nt)))
+ nil
+ pc-select-tty-key-bindings)))
+
+ (pc-select-define-keys pc-select-key-bindings-alist
+ (current-global-map))
+
+ (unless (or pc-select-selection-keys-only
+ (eq window-system 'x)
+ (memq system-name '(ms-dos windows-nt)))
+ ;; it is not clear that we need the following line
+ ;; I hope it doesn't do too much harm to leave it in, though...
+ (setq pc-select-old-M-delete-binding
+ (lookup-key function-key-map [M-delete]))
+ (define-key function-key-map [M-delete] [?\M-d]))
+
+ (when (and (not pc-select-selection-keys-only)
+ (or (eq window-system 'x)
+ (memq system-name '(ms-dos windows-nt)))
+ (fboundp 'normal-erase-is-backspace-mode))
+ (pc-select-save-and-set-mode normal-erase-is-backspace-mode 1
+ normal-erase-is-backspace))
+ ;; the original author also had this above:
+ ;; (setq-default normal-erase-is-backspace t)
+ ;; However, the documentation for the variable says that
+ ;; "setting it with setq has no effect", so I'm removing it.
+
+ (pc-select-save-and-set-var highlight-nonselected-windows nil)
+ (pc-select-save-and-set-var transient-mark-mode t)
+ (pc-select-save-and-set-var mark-even-if-inactive t)
+ (pc-select-save-and-set-mode delete-selection-mode 1))
+ ;;else
+ ;; If the user turned on pc-selection-mode a second time
+ ;; do not clobber the values of the variables that were
+ ;; saved from before pc-selection mode was activated --
+ ;; just make sure the values are the way we like them.
+ (pc-select-define-keys pc-select-key-bindings-alist
+ (current-global-map))
+ (unless (or pc-select-selection-keys-only
+ (eq window-system 'x)
+ (memq system-name '(ms-dos windows-nt)))
+ ;; it is not clear that we need the following line
+ ;; I hope it doesn't do too much harm to leave it in, though...
+ (define-key function-key-map [M-delete] [?\M-d]))
+ (when (and (not pc-select-selection-keys-only)
+ (or (eq window-system 'x)
+ (memq system-name '(ms-dos windows-nt)))
+ (fboundp 'normal-erase-is-backspace-mode))
+ (normal-erase-is-backspace-mode 1))
+ (setq highlight-nonselected-windows nil)
+ (setq transient-mark-mode t)
+ (setq mark-even-if-inactive t)
+ (delete-selection-mode 1))
+ ;;else
+ (when pc-select-key-bindings-alist
+ (when (and (not pc-select-selection-keys-only)
+ (or (eq window-system 'x)
+ (memq system-name '(ms-dos windows-nt))))
+ (pc-select-restore-mode normal-erase-is-backspace-mode))
+
+ (pc-select-restore-keys
+ pc-select-key-bindings-alist (current-global-map)
+ pc-select-saved-global-map)
+
+ (pc-select-restore-var highlight-nonselected-windows)
+ (pc-select-restore-var transient-mark-mode)
+ (pc-select-restore-var mark-even-if-inactive)
+ (pc-select-restore-mode delete-selection-mode)
+ (and pc-select-old-M-delete-binding
+ (define-key function-key-map [M-delete]
+ pc-select-old-M-delete-binding))
+ (setq pc-select-key-bindings-alist nil
+ pc-select-saved-settings-alist nil))))
+
;;;###autoload
(defcustom pc-selection-mode nil
@@ -787,7 +976,8 @@
This mode enables Delete Selection mode and Transient Mark mode.
You must modify via \\[customize] for this variable to have an effect."
:set (lambda (symbol value)
- (if value (pc-selection-mode)))
+ (pc-selection-mode (if value 1 -1)))
+ :initialize 'custom-initialize-default
:type 'boolean
:group 'pc-select
:require 'pc-select)