;;; frame.el --- multi-frame management independent of window systems
;; Copyright (C) 1993, 1994, 1996, 1997, 2000, 2001, 2002, 2003,
-;; 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
(defvar window-system-default-frame-alist nil
"Alist of window-system dependent default frame parameters.
-You can set this in your `.emacs' file; for example,
+You can set this in your init file; for example,
- ;; Disable menubar and toolbar on the console, but enable them under X.
- (setq window-system-default-frame-alist
- '((x (menu-bar-lines . 1) (tool-bar-lines . 1))
- (nil (menu-bar-lines . 0) (tool-bar-lines . 0))))
+ ;; Disable menubar and toolbar on the console, but enable them under X.
+ (setq window-system-default-frame-alist
+ '((x (menu-bar-lines . 1) (tool-bar-lines . 1))
+ (nil (menu-bar-lines . 0) (tool-bar-lines . 0))))
-Parameters specified here supersede the values given in `default-frame-alist'.")
+Parameters specified here supersede the values given in
+`default-frame-alist'.")
;; The initial value given here used to ask for a minibuffer.
;; But that's not necessary, because the default is to have one.
;; By not specifying it here, we let an X resource specify it.
(defcustom initial-frame-alist nil
- "*Alist of frame parameters for creating the initial X window frame.
-You can set this in your `.emacs' file; for example,
- (setq initial-frame-alist '((top . 1) (left . 1) (width . 80) (height . 55)))
-Parameters specified here supersede the values given in `default-frame-alist'.
-
-If the value calls for a frame without a minibuffer, and you have not created
-a minibuffer frame on your own, one is created according to
-`minibuffer-frame-alist'.
-
-You can specify geometry-related options for just the initial frame
-by setting this variable in your `.emacs' file; however, they won't
-take effect until Emacs reads `.emacs', which happens after first creating
-the frame. If you want the frame to have the proper geometry as soon
-as it appears, you need to use this three-step process:
+ "Alist of parameters for the initial X window frame.
+You can set this in your init file; for example,
+
+ (setq initial-frame-alist
+ '((top . 1) (left . 1) (width . 80) (height . 55)))
+
+Parameters specified here supersede the values given in
+`default-frame-alist'.
+
+If the value calls for a frame without a minibuffer, and you have
+not created a minibuffer frame on your own, a minibuffer frame is
+created according to `minibuffer-frame-alist'.
+
+You can specify geometry-related options for just the initial
+frame by setting this variable in your init file; however, they
+won't take effect until Emacs reads your init file, which happens
+after creating the initial frame. If you want the initial frame
+to have the proper geometry as soon as it appears, you need to
+use this three-step process:
* Specify X resources to give the geometry you want.
* Set `default-frame-alist' to override these options so that they
don't affect subsequent frames.
:group 'frames)
(defcustom minibuffer-frame-alist '((width . 80) (height . 2))
- "*Alist of frame parameters for initially creating a minibuffer frame.
-You can set this in your `.emacs' file; for example,
+ "Alist of parameters for the initial minibuffer frame.
+This is the minibuffer frame created if `initial-frame-alist'
+calls for a frame without a minibuffer. The parameters specified
+here supersede those given in `default-frame-alist', for the
+initial minibuffer frame.
+
+You can set this in your init file; for example,
+
(setq minibuffer-frame-alist
- '((top . 1) (left . 1) (width . 80) (height . 2)))
-Parameters specified here supersede the values given in
-`default-frame-alist', for a minibuffer frame."
+ '((top . 1) (left . 1) (width . 80) (height . 2)))
+
+It is not necessary to include (minibuffer . only); that is
+appended when the minibuffer frame is created."
:type '(repeat (cons :format "%v"
(symbol :tag "Parameter")
(sexp :tag "Value")))
:group 'frames)
(defcustom pop-up-frame-alist nil
- "*Alist of frame parameters used when creating pop-up frames.
-Pop-up frames are used for completions, help, and the like.
-This variable can be set in your init file, like this:
+ "Alist of parameters for automatically generated new frames.
+You can set this in your init file; for example,
+
(setq pop-up-frame-alist '((width . 80) (height . 20)))
-These supersede the values given in `default-frame-alist',
-for pop-up frames."
+
+If non-nil, the value you specify here is used by the default
+`pop-up-frame-function' for the creation of new frames.
+
+Since `pop-up-frame-function' is used by `display-buffer' for
+making new frames, any value specified here by default affects
+the automatic generation of new frames via `display-buffer' and
+all functions based on it. The behavior of `make-frame' is not
+affected by this variable."
:type '(repeat (cons :format "%v"
(symbol :tag "Parameter")
(sexp :tag "Value")))
:group 'frames)
-(setq pop-up-frame-function
- ;; Using `function' here caused some sort of problem.
- '(lambda ()
- (make-frame pop-up-frame-alist)))
+(defcustom pop-up-frame-function
+ (lambda () (make-frame pop-up-frame-alist))
+ "Function used by `display-buffer' for creating a new frame.
+This function is called with no arguments and should return a new
+frame. The default value calls `make-frame' with the argument
+`pop-up-frame-alist'."
+ :type 'function
+ :group 'frames)
(defcustom special-display-frame-alist
'((height . 14) (width . 80) (unsplittable . t))
- "*Alist of frame parameters used when creating special frames.
-Special frames are used for buffers whose names are in
+ "Alist of parameters for special frames.
+Special frames are used for buffers whose names are listed in
`special-display-buffer-names' and for buffers whose names match
one of the regular expressions in `special-display-regexps'.
+
This variable can be set in your init file, like this:
+
(setq special-display-frame-alist '((width . 80) (height . 20)))
+
These supersede the values given in `default-frame-alist'."
:type '(repeat (cons :format "%v"
(symbol :tag "Parameter")
:group 'frames)
(defun special-display-popup-frame (buffer &optional args)
- "Display BUFFER in its own frame, reusing an existing window if any.
-Return the window chosen.
-Currently we do not insist on selecting the window within its frame.
-If ARGS is an alist, use it as a list of frame parameter specs.
-If ARGS is a list whose car is a symbol,
-use (car ARGS) as a function to do the work.
-Pass it BUFFER as first arg, and (cdr ARGS) gives the rest of the args."
+ "Display BUFFER and return the window chosen.
+If BUFFER is already displayed in a visible or iconified frame,
+raise that frame. Otherwise, display BUFFER in a new frame.
+
+Optional argument ARGS is a list specifying additional
+information.
+
+If ARGS is an alist, use it as a list of frame parameters. If
+these parameters contain \(same-window . t), display BUFFER in
+the selected window. If they contain \(same-frame . t), display
+BUFFER in a window of the selected frame.
+
+If ARGS is a list whose car is a symbol, use (car ARGS) as a
+function to do the work. Pass it BUFFER as first argument,
+and (cdr ARGS) as second."
(if (and args (symbolp (car args)))
(apply (car args) buffer (cdr args))
(let ((window (get-buffer-window buffer 0)))
(error nil)))
;; Stay on the same frame if requested.
(when (or (cdr (assq 'same-frame args)) (cdr (assq 'same-window args)))
- (let* ((pop-up-frames nil) (pop-up-windows t)
- special-display-regexps special-display-buffer-names
- (window (display-buffer buffer)))
- ;; Only do it if this is a new window:
- ;; (set-window-dedicated-p window t)
- window))
+ (let* ((pop-up-windows t)
+ pop-up-frames
+ special-display-buffer-names special-display-regexps)
+ (display-buffer buffer)))
;; If no window yet, make one in a new frame.
(let ((frame
(with-current-buffer buffer
(not noninteractive)
(not (eq initial-window-system 'pc)))
(progn
- ;; Turn on special-display processing only if there's a window system.
- (setq special-display-function 'special-display-popup-frame)
-
;; If there is no frame with a minibuffer besides the terminal
;; frame, then we need to create the opening frame. Make sure
;; it has a minibuffer, but let initial-frame-alist omit the
(defvar frame-notice-user-settings t
"Non-nil means function `frame-notice-user-settings' wasn't run yet.")
+(declare-function tool-bar-mode "tool-bar" (&optional arg))
+
;; startup.el calls this function after loading the user's init
;; file. Now default-frame-alist and initial-frame-alist contain
;; information to which we must react; do what needs to be done.
(select-frame-set-input-focus (selected-frame)))
(declare-function x-initialize-window-system "term/x-win" ())
+(declare-function ns-initialize-window-system "term/ns-win" ())
+(defvar x-display-name) ; term/x-win
(defun make-frame-on-display (display &optional parameters)
- "Make a frame on X display DISPLAY.
-The optional second argument PARAMETERS specifies additional frame parameters."
+ "Make a frame on display DISPLAY.
+The optional argument PARAMETERS specifies additional frame parameters."
(interactive "sMake frame on display: ")
- (or (string-match "\\`[^:]*:[0-9]+\\(\\.[0-9]+\\)?\\'" display)
- (error "Invalid display, not HOST:SERVER or HOST:SERVER.SCREEN"))
- (when (and (boundp 'x-initialized) (not x-initialized))
- (setq x-display-name display)
- (x-initialize-window-system))
- (make-frame `((window-system . x) (display . ,display) . ,parameters)))
-
-(defun make-frame-on-tty (tty type &optional parameters)
- "Make a frame on terminal device TTY.
-TTY should be the file name of the tty device to use. TYPE
-should be the terminal type string of TTY, for example \"xterm\"
-or \"vt100\". The optional third argument PARAMETERS specifies
-additional frame parameters."
- (interactive "fOpen frame on tty device: \nsTerminal type of %s: ")
- (unless tty
- (error "Invalid terminal device"))
- (unless type
- (error "Invalid terminal type"))
- (make-frame `((window-system . nil) (tty . ,tty) (tty-type . ,type) . ,parameters)))
+ (cond ((featurep 'ns)
+ (when (and (boundp 'ns-initialized) (not ns-initialized))
+ (setq x-display-name display)
+ (ns-initialize-window-system))
+ (make-frame `((window-system . ns)
+ (display . ,display) . ,parameters)))
+ ((eq system-type 'windows-nt)
+ ;; On Windows, ignore DISPLAY.
+ (make-frame parameters))
+ (t
+ (unless (string-match-p "\\`[^:]*:[0-9]+\\(\\.[0-9]+\\)?\\'" display)
+ (error "Invalid display, not HOST:SERVER or HOST:SERVER.SCREEN"))
+ (when (and (boundp 'x-initialized) (not x-initialized))
+ (setq x-display-name display)
+ (x-initialize-window-system))
+ (make-frame `((window-system . x)
+ (display . ,display) . ,parameters)))))
+
+(declare-function x-close-connection "xfns.c" (terminal))
(defun close-display-connection (display)
"Close the connection to a display, deleting all its associated frames.
(x-close-connection display))))
(defun make-frame-command ()
- "Make a new frame, and select it if the terminal displays only one frame."
+ "Make a new frame, on the same terminal as the selected frame.
+If the terminal is a text-only terminal, this also selects the
+new frame."
(interactive)
- (if (and window-system (not (eq window-system 'pc)))
+ (if (display-graphic-p)
(make-frame)
(select-frame (make-frame))))
(window-system . nil) The frame should be displayed on a terminal device.
(window-system . x) The frame should be displayed in an X window.
- (terminal . ID) The frame should use the terminal identified by ID.
+ (terminal . TERMINAL) The frame should use the terminal object TERMINAL.
Before the frame is created (via `frame-creation-function-alist'), functions on the
hook `before-make-frame-hook' are run. After the frame is created, functions
(nreverse frame-initial-geometry-arguments))
(cdr param-list))
+(declare-function x-focus-frame "xfns.c" (frame))
+
(defun select-frame-set-input-focus (frame)
- "Select FRAME, raise it, and set input focus, if possible."
- (select-frame frame)
- (raise-frame frame)
- ;; Ensure, if possible, that frame gets input focus.
- (when (memq (window-system frame) '(x mac w32))
- (x-focus-frame frame))
- (when focus-follows-mouse
- (set-mouse-position (selected-frame) (1- (frame-width)) 0)))
+ "Select FRAME, raise it, and set input focus, if possible.
+If `mouse-autoselect-window' is non-nil, also move mouse pointer
+to FRAME's selected window. Otherwise, if `focus-follows-mouse'
+is non-nil, move mouse cursor to FRAME."
+ (select-frame frame)
+ (raise-frame frame)
+ ;; Ensure, if possible, that FRAME gets input focus.
+ (when (memq (window-system frame) '(x w32 ns))
+ (x-focus-frame frame))
+ ;; Move mouse cursor if necessary.
+ (cond
+ (mouse-autoselect-window
+ (let ((edges (window-inside-edges (frame-selected-window frame))))
+ ;; Move mouse cursor into FRAME's selected window to avoid that
+ ;; Emacs mouse-autoselects another window.
+ (set-mouse-position frame (nth 2 edges) (nth 1 edges))))
+ (focus-follows-mouse
+ ;; Move mouse cursor into FRAME to avoid that another frame gets
+ ;; selected by the window manager.
+ (set-mouse-position frame (1- (frame-width frame)) 0))))
(defun other-frame (arg)
"Select the ARGth different visible frame on current display, and raise it.
(interactive)
(let ((type (framep (selected-frame))))
(cond
- ((memq type '(x w32)) (iconify-or-deiconify-frame))
+ ((memq type '(x ns w32)) (iconify-or-deiconify-frame))
((eq type t)
(if (controlling-tty-p)
(suspend-emacs)
(list input))))
(let* ((frame-names-alist (make-frame-names-alist))
(frame (cdr (assoc name frame-names-alist))))
- (or frame
- (error "There is no frame named `%s'" name))
- (make-frame-visible frame)
- (raise-frame frame)
- (select-frame frame)
- ;; Ensure, if possible, that frame gets input focus.
- (cond ((memq (window-system frame) '(x w32))
- (x-focus-frame frame)))
- (when focus-follows-mouse
- (set-mouse-position frame (1- (frame-width frame)) 0))))
+ (if frame
+ (select-frame-set-input-focus frame)
+ (error "There is no frame named `%s'" name))))
\f
;;;; Frame configurations
(defun frame-height (&optional frame)
"Return number of lines available for display on FRAME.
-If FRAME is omitted, describe the currently selected frame."
+If FRAME is omitted, describe the currently selected frame.
+Exactly what is included in the return value depends on the
+window-system and toolkit in use - see `frame-pixel-height' for
+more details. The lines are in units of the default font height.
+
+The result is roughly related to the frame pixel height via
+height in pixels = height in lines * `frame-char-height'.
+However, this is only approximate, and is complicated e.g. by the
+fact that individual window lines and menu bar lines can have
+differing font heights."
(cdr (assq 'height (frame-parameters frame))))
(defun frame-width (&optional frame)
If FRAME is omitted, describe the currently selected frame."
(cdr (assq 'width (frame-parameters frame))))
-(defalias 'set-default-font 'set-frame-font)
+(declare-function x-list-fonts "xfaces.c"
+ (pattern &optional face frame maximum width))
+
+(define-obsolete-function-alias 'set-default-font 'set-frame-font "23.1")
(defun set-frame-font (font-name &optional keep-size)
"Set the font of the selected frame to FONT-NAME.
When called interactively, prompt for the name of the font to use.
(defun auto-raise-mode (arg)
"Toggle whether or not the selected frame should auto-raise.
-With arg, turn auto-raise mode on if and only if arg is positive.
+With ARG, turn auto-raise mode on if and only if ARG is positive.
Note that this controls Emacs's own auto-raise feature.
Some window managers allow you to enable auto-raise for certain windows.
You can use that for Emacs windows if you wish, but if you do,
(defun auto-lower-mode (arg)
"Toggle whether or not the selected frame should auto-lower.
-With arg, turn auto-lower mode on if and only if arg is positive.
+With ARG, turn auto-lower mode on if and only if ARG is positive.
Note that this controls Emacs's own auto-lower feature.
Some window managers allow you to enable auto-lower for certain windows.
You can use that for Emacs windows if you wish, but if you do,
((eq system-type 'windows-nt)
(with-no-warnings
(> w32-num-mouse-buttons 0)))
- ((memq frame-type '(x mac))
- t) ;; We assume X and Mac *always* have a pointing device
+ ((memq frame-type '(x ns))
+ t) ;; We assume X and NeXTstep *always* have a pointing device
(t
(or (and (featurep 'xt-mouse)
xterm-mouse-mode)
Support for popup menus requires that the mouse be available."
(and
(let ((frame-type (framep-on-display display)))
- (memq frame-type '(x w32 pc mac)))
+ (memq frame-type '(x w32 pc ns)))
(display-mouse-p display)))
(defun display-graphic-p (&optional display)
that use a window system such as X, and false for text-only terminals.
DISPLAY can be a display name, a frame, or nil (meaning the selected
frame's display)."
- (not (null (memq (framep-on-display display) '(x w32 mac)))))
+ (not (null (memq (framep-on-display display) '(x w32 ns)))))
(defun display-images-p (&optional display)
"Return non-nil if DISPLAY can display images.
;; the Windows' DOS Box.
(with-no-warnings
(not (null dos-windows-version))))
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
t) ;; FIXME?
(t
nil))))
+(declare-function x-display-screens "xfns.c" (&optional terminal))
+
(defun display-screens (&optional display)
"Return the number of screens associated with DISPLAY."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-screens display))
(t
1))))
+(declare-function x-display-pixel-height "xfns.c" (&optional terminal))
+
(defun display-pixel-height (&optional display)
"Return the height of DISPLAY's screen in pixels.
For character terminals, each character counts as a single pixel."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-pixel-height display))
(t
(frame-height (if (framep display) display (selected-frame)))))))
+(declare-function x-display-pixel-width "xfns.c" (&optional terminal))
+
(defun display-pixel-width (&optional display)
"Return the width of DISPLAY's screen in pixels.
For character terminals, each character counts as a single pixel."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-pixel-width display))
(t
(frame-width (if (framep display) display (selected-frame)))))))
(integer :tag "Height")))
:group 'frames)
+(declare-function x-display-mm-height "xfns.c" (&optional terminal))
+
(defun display-mm-height (&optional display)
"Return the height of DISPLAY's screen in millimeters.
System values can be overridden by `display-mm-dimensions-alist'.
If the information is unavailable, value is nil."
- (and (memq (framep-on-display display) '(x w32 mac))
+ (and (memq (framep-on-display display) '(x w32 ns))
(or (cddr (assoc (or display (frame-parameter nil 'display))
display-mm-dimensions-alist))
(cddr (assoc t display-mm-dimensions-alist))
(x-display-mm-height display))))
+(declare-function x-display-mm-width "xfns.c" (&optional terminal))
+
(defun display-mm-width (&optional display)
"Return the width of DISPLAY's screen in millimeters.
System values can be overridden by `display-mm-dimensions-alist'.
If the information is unavailable, value is nil."
- (and (memq (framep-on-display display) '(x w32 mac))
+ (and (memq (framep-on-display display) '(x w32 ns))
(or (cadr (assoc (or display (frame-parameter nil 'display))
display-mm-dimensions-alist))
(cadr (assoc t display-mm-dimensions-alist))
(x-display-mm-width display))))
+(declare-function x-display-backing-store "xfns.c" (&optional terminal))
+
(defun display-backing-store (&optional display)
"Return the backing store capability of DISPLAY's screen.
The value may be `always', `when-mapped', `not-useful', or nil if
the question is inapplicable to a certain kind of display."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-backing-store display))
(t
'not-useful))))
+(declare-function x-display-save-under "xfns.c" (&optional terminal))
+
(defun display-save-under (&optional display)
"Return non-nil if DISPLAY's screen supports the SaveUnder feature."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-save-under display))
(t
'not-useful))))
+(declare-function x-display-planes "xfns.c" (&optional terminal))
+
(defun display-planes (&optional display)
"Return the number of planes supported by DISPLAY."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-planes display))
((eq frame-type 'pc)
4)
(t
(truncate (log (length (tty-color-alist)) 2))))))
+(declare-function x-display-color-cells "xfns.c" (&optional terminal))
+
(defun display-color-cells (&optional display)
"Return the number of color cells supported by DISPLAY."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-color-cells display))
((eq frame-type 'pc)
16)
(t
(tty-display-color-cells display)))))
+(declare-function x-display-visual-class "xfns.c" (&optional terminal))
+
(defun display-visual-class (&optional display)
- "Returns the visual class of DISPLAY.
+ "Return the visual class of DISPLAY.
The value is one of the symbols `static-gray', `gray-scale',
`static-color', `pseudo-color', `true-color', or `direct-color'."
(let ((frame-type (framep-on-display display)))
(cond
- ((memq frame-type '(x w32 mac))
+ ((memq frame-type '(x w32 ns))
(x-display-visual-class display))
((and (memq frame-type '(pc t))
(tty-display-color-p display))
(setq frame (selected-frame)))
(let* ((mini-frame (window-frame (minibuffer-window frame)))
(frames (delq mini-frame (delq frame (frame-list)))))
+ ;; Only consider frames on the same terminal.
+ (dolist (frame (prog1 frames (setq frames nil)))
+ (if (eq (frame-terminal) (frame-terminal frame))
+ (push frame frames)))
;; Delete mon-minibuffer-only frames first, because `delete-frame'
;; signals an error when trying to delete a mini-frame that's
;; still in use by another frame.
(make-variable-buffer-local 'show-trailing-whitespace)
(defcustom show-trailing-whitespace nil
- "*Non-nil means highlight trailing whitespace.
+ "Non-nil means highlight trailing whitespace.
This is done in the face `trailing-whitespace'."
:type 'boolean
:group 'whitespace-faces)
:group 'frames)
(defcustom auto-hscroll-mode t
- "*Allow or disallow automatic scrolling windows horizontally.
+ "Allow or disallow automatic scrolling windows horizontally.
If non-nil, windows are automatically scrolled horizontally to make
point visible."
:version "21.1"
:group 'frames)
(defcustom blink-cursor-delay 0.5
- "*Seconds of idle time after which cursor starts to blink."
+ "Seconds of idle time after which cursor starts to blink."
:type 'number
:group 'cursor)
(defcustom blink-cursor-interval 0.5
- "*Length of cursor blink interval in seconds."
+ "Length of cursor blink interval in seconds."
:type 'number
:group 'cursor)
:init-value (not (or noninteractive
no-blinking-cursor
(eq system-type 'ms-dos)
- (not (memq window-system '(x w32 mac)))))
- :initialize 'custom-initialize-safe-default
+ (not (memq window-system '(x w32)))))
+ :initialize 'custom-initialize-delay
:group 'cursor
:global t
(if blink-cursor-idle-timer (cancel-timer blink-cursor-idle-timer))
;; Hourglass pointer
(defcustom display-hourglass t
- "*Non-nil means show an hourglass pointer, when Emacs is busy.
+ "Non-nil means show an hourglass pointer, when Emacs is busy.
This feature only works when on a window system that can change
cursor shapes."
:type 'boolean
:group 'cursor)
(defcustom hourglass-delay 1
- "*Seconds to wait before displaying an hourglass pointer when Emacs is busy."
+ "Seconds to wait before displaying an hourglass pointer when Emacs is busy."
:type 'number
:group 'cursor)
\f
(defcustom cursor-in-non-selected-windows t
- "*Non-nil means show a hollow box cursor in non-selected windows.
+ "Non-nil means show a hollow box cursor in non-selected windows.
If nil, don't show a cursor except in the selected window.
If t, display a cursor related to the usual cursor type
\(a solid box becomes hollow, a bar becomes a narrower bar).
HCoop / bpt / emacs.git / blobdiff