Commit 3c3a05df authored by Paul Eggert's avatar Paul Eggert
Browse files

Merge from trunk.

parents a690a978 d647b7c4
2011-06-13 Glenn Morris <rgm@gnu.org>
* cus-dep.el (custom-make-dependencies): Use up command-line-args-left.
2011-06-13 Martin Rudalics <rudalics@gmx.at>
* help.el (help-window): Remove variable.
(help-window-point-marker, temp-buffer-max-height)
(temp-buffer-resize-mode, help-window-select): Rewrite doc-strings.
(help-print-return-message): Don't set help-window.
(resize-temp-buffer-window): Rewrite cod eand doc-string.
(help-window-setup-finish): Remove.
(help-window-display-message, help-window-setup)
(with-help-window): Major rewrite based on new
display-buffer-window variable.
* help-mode.el (help-mode-finish): Remove help-window related
code.
* view.el (view-exits-all-viewing-windows): Remove reference to
view-return-to-alist in doc-string.
(view-return-to-alist): Make obsolete.
(view-buffer): Call pop-to-buffer-same-window and remove
undo-window code.
(view-buffer-other-window): Call pop-to-buffer-other-window and
simplify code. Ignore second argument.
(view-buffer-other-frame): Call pop-to-buffer-other-frame and
simplify code. Ignore second argument.
(view-return-to-alist-update): Make obsolete.
(view-mode-enter): Rename second argument to QUIT-RESTORE.
Rewrite using quit-restore window parameters.
(view-mode-exit): Rename second argument to EXIT-ONLY. Rewrite
using quit-restore-window.
(View-exit, View-exit-and-edit, View-leave, View-quit)
(View-quit-all, View-kill-and-leave): Call view-mode-exit with
appropriate arguments.
(view-end-message): Use quit-restore window parameter.
* window.el (display-buffer-function): Rewrite doc-string.
(display-buffer-window, display-buffer-alist): New variables.
(display-buffer-split-specifiers)
(display-buffer-side-specifiers)
(display-buffer-macro-specifiers): New constants.
(display-buffer-even-window-sizes, display-buffer-set-height)
(display-buffer-set-width, display-buffer-select-window)
(display-buffer-in-window, display-buffer-reuse-window)
(display-buffer-split-window-1, display-buffer-split-window)
(display-buffer-split-atom-window, display-buffer-pop-up-window)
(display-buffer-pop-up-frame, display-buffer-pop-up-side-window)
(display-buffer-in-side-window, normalize-buffer-to-display)
(display-buffer-normalize-specifiers-1)
(display-buffer-normalize-specifiers-2)
(display-buffer-normalize-specifiers, display-buffer-frame): New
functions.
(display-buffer): Major rewrite.
(display-buffer-other-window, display-buffer-other-frame)
(pop-to-buffer, switch-to-buffer-other-window)
(switch-to-buffer-other-frame): Rewrite.
(display-buffer-same-window, display-buffer-same-frame)
(display-buffer-same-frame-other-window)
(pop-to-buffer-same-window, pop-to-buffer-same-frame)
(pop-to-buffer-other-window)
(pop-to-buffer-same-frame-other-window)
(pop-to-buffer-other-frame, switch-to-buffer-same-frame)
(switch-to-buffer-other-window-same-frame): New functions.
(same-window-p, special-display-p): Rewrite disabling warnings.
Make obsolete.
(pop-up-frames, display-buffer-reuse-frames, pop-up-windows)
(display-buffer-mark-dedicated): Initialize to symbol 'unset.
Make obsolete
(same-window-buffer-names, same-window-regexps)
(special-display-frame-alist, special-display-popup-frame)
(special-display-function, special-display-buffer-names)
(special-display-regexps, pop-up-frame-alist)
(pop-up-frame-function, split-window-preferred-function)
(split-height-threshold, split-width-threshold)
(even-window-heights): Make obsolete.
2011-06-12 Glenn Morris <rgm@gnu.org>
* term/xterm.el (terminal-init-xterm): `version' may be nil. (Bug#8838)
......
......@@ -42,9 +42,12 @@ ldefs-boot\\|cus-load\\|finder-inf\\|esh-groups\\|subdirs\\)\\.el$\\)"
(defun custom-make-dependencies ()
"Batch function to extract custom dependencies from .el files.
Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
(let ((enable-local-eval nil))
(let ((enable-local-eval nil)
subdir)
(with-temp-buffer
(dolist (subdir command-line-args-left)
;; Use up command-line-args-left else Emacs can try to open
;; the args as directories after we are done.
(while (setq subdir (pop command-line-args-left))
(message "Directory %s" subdir)
(let ((files (directory-files subdir nil "\\`[^=].*\\.el\\'"))
(default-directory (expand-file-name subdir))
......
......@@ -305,23 +305,6 @@ Commands:
;;;###autoload
(defun help-mode-finish ()
(if (eq help-window t)
;; If `help-window' is t, `view-return-to-alist' is handled by
;; `with-help-window'. In this case set `help-window' to the
;; selected window since now is the only moment where we can
;; unambiguously identify it.
(setq help-window (selected-window))
(let ((entry (assq (selected-window) view-return-to-alist)))
(if entry
;; When entering Help mode from the Help window,
;; such as by following a link, preserve the same
;; meaning for the q command.
;; (setcdr entry (cons (selected-window) help-return-method))
nil
(setq view-return-to-alist
(cons (cons (selected-window) help-return-method)
view-return-to-alist)))))
(when (eq major-mode 'help-mode)
;; View mode's read-only status of existing *Help* buffer is lost
;; by with-output-to-temp-buffer.
......
......@@ -55,7 +55,7 @@
;; nowhere before exiting. Currently used by `view-lossage' to assert
;; that the last keystrokes are always visible.
(defvar help-window-point-marker (make-marker)
"Marker to override default `window-point' of `help-window'.")
"Marker to override default `window-point' in help windows.")
(defvar help-map
(let ((map (make-sparse-keymap)))
......@@ -144,8 +144,6 @@ It computes a message, and applies the optional argument FUNCTION to it.
If FUNCTION is nil, it applies `message', thus displaying the message.
In addition, this function sets up `help-return-method', which see, that
specifies what to do when the user exits the help buffer."
;; Reset `help-window' here to avoid confusing `help-mode-finish'.
(setq help-window nil)
(and (not (get-buffer-window standard-output))
(let ((first-message
(cond ((or
......@@ -914,6 +912,7 @@ appeared on the mode-line."
;; In order to list up all minor modes, minor-mode-list
;; is used here instead of minor-mode-alist.
(delq nil (mapcar 'symbol-name minor-mode-list)))
(defun describe-minor-mode-from-symbol (symbol)
"Display documentation of a minor mode given as a symbol, SYMBOL"
(interactive (list (intern (completing-read
......@@ -937,6 +936,7 @@ appeared on the mode-line."
(t
i))))
minor-mode-alist)))
(defun describe-minor-mode-from-indicator (indicator)
"Display documentation of a minor mode specified by INDICATOR.
If you call this function interactively, you can give indicator which
......@@ -972,28 +972,32 @@ is currently activated with completion."
minor-modes nil)
(setq minor-modes (cdr minor-modes)))))
result))
;;; Automatic resizing of temporary buffers.
(defcustom temp-buffer-max-height (lambda (buffer) (/ (- (frame-height) 2) 2))
"Maximum height of a window displaying a temporary buffer.
This is effective only when Temp Buffer Resize mode is enabled.
The value is the maximum height (in lines) which `resize-temp-buffer-window'
will give to a window displaying a temporary buffer.
It can also be a function to be called to choose the height for such a buffer.
It gets one argumemt, the buffer, and should return a positive integer."
The value is the maximum height (in lines) which
`resize-temp-buffer-window' will give to a window displaying a
temporary buffer. It can also be a function to be called to
choose the height for such a buffer. It gets one argumemt, the
buffer, and should return a positive integer. At the time the
function is called, the window to be resized is selected."
:type '(choice integer function)
:group 'help
:version "20.4")
(define-minor-mode temp-buffer-resize-mode
"Toggle the mode which makes windows smaller for temporary buffers.
With prefix argument ARG, turn the resizing of windows displaying temporary
buffers on if ARG is positive or off otherwise.
This makes the window the right height for its contents, but never
more than `temp-buffer-max-height' nor less than `window-min-height'.
This applies to `help', `apropos' and `completion' buffers, and some others."
"Toggle mode which makes windows smaller for temporary buffers.
With prefix argument ARG, turn the resizing of windows displaying
temporary buffers on if ARG is positive or off otherwise.
This mode makes a window the right height for its contents, but
never more than `temp-buffer-max-height' nor less than
`window-min-height'.
This mode is used by `help', `apropos' and `completion' buffers,
and some others."
:global t :group 'help
(if temp-buffer-resize-mode
;; `help-make-xrefs' may add a `back' button and thus increase the
......@@ -1003,29 +1007,26 @@ This applies to `help', `apropos' and `completion' buffers, and some others."
(defun resize-temp-buffer-window ()
"Resize the selected window to fit its contents.
Will not make it higher than `temp-buffer-max-height' nor smaller than
`window-min-height'. Do nothing if it is the only window on its frame, if it
is not as wide as the frame or if some of the window's contents are scrolled
out of view."
(unless (or (one-window-p 'nomini)
(not (pos-visible-in-window-p (point-min)))
(not (window-full-width-p)))
Will not make it higher than `temp-buffer-max-height' nor smaller
than `window-min-height'. Do nothing if the selected window is
not vertically combined or some of its contents are scrolled out
of view."
(when (and (pos-visible-in-window-p (point-min))
(window-iso-combined-p))
(fit-window-to-buffer
(selected-window)
nil
(if (functionp temp-buffer-max-height)
(funcall temp-buffer-max-height (current-buffer))
(funcall temp-buffer-max-height (window-buffer))
temp-buffer-max-height))))
;;; help-window
;;; Help windows.
(defcustom help-window-select 'other
"Non-nil means select help window for viewing.
Choices are:
never (nil) Select help window only if there is no other window
on its frame.
other Select help window unless the selected window is the
only other window on its frame.
only other window on the help window's frame.
always (t) Always select the help window.
This option has effect if and only if the help window was created
......@@ -1036,95 +1037,38 @@ by `with-help-window'"
:group 'help
:version "23.1")
(defun help-window-display-message (quit-part window &optional other)
(defun help-window-display-message (quit-part window &optional scroll)
"Display message telling how to quit and scroll help window.
QUIT-PART is a string telling how to quit the help window WINDOW.
Optional argument OTHER non-nil means return text telling how to
scroll the \"other\" window."
Optional argument SCROLL non-nil means tell how to scroll WINDOW.
SCROLL equal `other' means tell how to scroll the \"other\"
window."
(let ((scroll-part
(cond
;; If we don't have QUIT-PART we probably reuse a window
;; showing the same buffer so we don't show any message.
((not quit-part) nil)
((pos-visible-in-window-p
(with-current-buffer (window-buffer window)
(point-max)) window)
;; Buffer end is visible.
(point-max)) window t)
;; Buffer end is at least partially visible, no need to talk
;; about scrolling.
".")
(other ", \\[scroll-other-window] to scroll help.")
(t ", \\[scroll-up] to scroll help."))))
((eq scroll 'other)
", \\[scroll-other-window] to scroll help.")
(scroll ", \\[scroll-up] to scroll help."))))
(message "%s"
(substitute-command-keys (concat quit-part scroll-part)))))
(defun help-window-setup-finish (window &optional reuse keep-frame)
"Finish setting up help window WINDOW.
Select WINDOW according to the value of `help-window-select'.
Display message telling how to scroll and eventually quit WINDOW.
Optional argument REUSE non-nil means WINDOW has been reused by
`display-buffer'. Optional argument KEEP-FRAME non-nil means
that quitting should not delete WINDOW's frame."
(let ((number-of-windows
(length (window-list (window-frame window) 'no-mini window))))
(cond
((eq window (selected-window))
;; The help window is the selected window, probably the
;; `pop-up-windows' nil case.
(help-window-display-message
(if reuse
"Type \"q\" to restore this window"
;; This should not be taken.
"Type \"q\" to quit") window))
((= number-of-windows 1)
;; The help window is alone on a frame and not the selected
;; window, could be the `pop-up-frames' t case.
(help-window-display-message
(cond
(keep-frame "Type \"q\" to delete this window")
(reuse "Type \"q\" to restore this window")
(view-remove-frame-by-deleting "Type \"q\" to delete this frame")
(t "Type \"q\" to iconify this frame"))
window))
((and (= number-of-windows 2)
(eq (window-frame window) (window-frame (selected-window))))
;; There are two windows on the help window's frame and the other
;; window is the selected one.
(if (memq help-window-select '(nil other))
;; Do not select the help window.
(help-window-display-message
(if reuse
;; Offer `display-buffer' for consistency with
;; `help-print-return-message'. This is hardly TRT when
;; the other window and the selected window display the
;; same buffer but has been handled this way ever since.
"Type \\[display-buffer] RET to restore the other window"
;; The classic "two windows" configuration.
"Type \\[delete-other-windows] to delete the help window")
window t)
;; Select help window and tell how to quit.
(select-window window)
(help-window-display-message
(if reuse
"Type \"q\" to restore this window"
"Type \"q\" to delete this window") window)))
(help-window-select
;; Issuing a message with 3 or more windows on the same frame
;; without selecting the help window doesn't make any sense.
(select-window window)
(help-window-display-message
(if reuse
"Type \"q\" to restore this window"
"Type \"q\" to delete this window") window)))))
(defun help-window-setup (list-of-frames list-of-window-tuples)
"Set up help window.
LIST-OF-FRAMES and LIST-OF-WINDOW-TUPLES are the lists of frames
and window quadruples built by `with-help-window'. The help
window itself is specified by the variable `help-window'."
(let* ((help-buffer (window-buffer help-window))
;; `help-buffer' now denotes the help window's buffer.
(view-entry
(assq help-window
(buffer-local-value 'view-return-to-alist help-buffer)))
(help-entry (assq help-window list-of-window-tuples)))
(defun help-window-setup ()
"Set up help window for `with-help-window'.
This relies on `display-buffer-window' being correctly set up by
`display-buffer'."
(let* ((help-window (car-safe display-buffer-window))
(help-buffer (when (window-live-p help-window)
(window-buffer help-window)))
(help-value (cdr-safe display-buffer-window)))
(when help-buffer
;; Handle `help-window-point-marker'.
(when (eq (marker-buffer help-window-point-marker) help-buffer)
(set-window-point help-window help-window-point-marker)
......@@ -1132,79 +1076,40 @@ window itself is specified by the variable `help-window'."
(set-marker help-window-point-marker nil))
(cond
(view-entry
;; `view-return-to-alist' has an entry for the help window.
((or (eq help-window (selected-window))
(and (or (eq help-window-select t)
(and (eq help-window-select 'other)
(eq (window-frame help-window) (selected-frame))
(> (length (window-list nil 'no-mini)) 2)))
(select-window help-window)))
;; The help window is or gets selected ...
(help-window-display-message
(cond
((eq help-window (selected-window))
;; The help window is the selected window, probably because the
;; user followed a backward/forward button or a cross reference.
;; In this case just purge stale entries from
;; `view-return-to-alist' but leave the entry alone and don't
;; display a message.
(view-return-to-alist-update help-buffer))
((and help-entry (eq (cadr help-entry) help-buffer))
;; The help window was not selected but displayed the help
;; buffer. In this case reuse existing exit information but try
;; to get back to the selected window when quitting. Don't
;; display a message since the user must have seen one before.
(view-return-to-alist-update
help-buffer (cons help-window
(cons (selected-window) (cddr view-entry)))))
(help-entry
;; The help window was not selected, did display the help buffer
;; earlier, but displayed another buffer when help was invoked.
;; Set up things so that quitting will show that buffer again.
(view-return-to-alist-update
help-buffer (cons help-window
(cons (selected-window) (cdr help-entry))))
(help-window-setup-finish help-window t))
(t
;; The help window is new but `view-return-to-alist' had an
;; entry for it. This should never happen.
(view-return-to-alist-update
help-buffer (cons help-window
(cons (selected-window) 'quit-window)))
(help-window-setup-finish help-window t))))
(help-entry
;; `view-return-to-alist' does not have an entry for help window
;; but `list-of-window-tuples' does. Hence `display-buffer' must
;; have reused an existing window.
(if (eq (cadr help-entry) help-buffer)
;; The help window displayed `help-buffer' before but no
;; `view-return-to-alist' entry was found probably because the
;; user manually switched to the help buffer. Set up things
;; for `quit-window' although `view-exit-action' should be
;; able to handle this case all by itself.
(progn
(view-return-to-alist-update
help-buffer (cons help-window
(cons (selected-window) 'quit-window)))
(help-window-setup-finish help-window t))
;; The help window displayed another buffer before. Set up
;; things in a way that quitting can orderly show that buffer
;; again. The window-start and window-point information from
;; `list-of-window-tuples' provide the necessary information.
(view-return-to-alist-update
help-buffer (cons help-window
(cons (selected-window) (cdr help-entry))))
(help-window-setup-finish help-window t)))
((memq (window-frame help-window) list-of-frames)
;; The help window is a new window on an existing frame. This
;; case must be handled specially by `help-window-setup-finish'
;; and `view-mode-exit' to ascertain that quitting does _not_
;; inadvertently delete the frame.
(view-return-to-alist-update
help-buffer (cons help-window
(cons (selected-window) 'keep-frame)))
(help-window-setup-finish help-window nil t))
((eq help-value 'new-window)
;; ... and is new, ...
"Type \"q\" to delete this window")
((eq help-value 'new-frame)
;; ... is on a new frame ...
"Type \"q\" to delete this frame")
((eq help-value 'reuse-other-window)
;; ... or displayed some other buffer before.
"Type \"q\" to restore previous buffer"))
help-window t))
((and (eq (window-frame help-window) (selected-frame))
(= (length (window-list nil 'no-mini)) 2))
;; There are two windows on the help window's frame and the
;; other one is the selected one.
(help-window-display-message
(cond
((eq help-value 'new-window)
"Type \\[delete-other-windows] to delete the help window")
((eq help-value 'reuse-other-window)
"Type \\[switch-to-prev-buffer] RET to restore previous buffer"))
help-window 'other))
(t
;; The help window is shown on a new frame. In this case quitting
;; shall handle both, the help window _and_ its frame. We changed
;; the default of `view-remove-frame-by-deleting' to t in order to
;; intuitively DTRT here.
(view-return-to-alist-update
help-buffer (cons help-window (cons (selected-window) t)))
(help-window-setup-finish help-window)))))
;; Not much to say here.
(help-window-display-message
"Type \"q\" in help window to quit" help-window))))))
;; `with-help-window' is a wrapper for `with-output-to-temp-buffer'
;; providing the following additional twists:
......@@ -1212,50 +1117,35 @@ window itself is specified by the variable `help-window'."
;; (1) Issue more accurate messages telling how to scroll and quit the
;; help window.
;; (2) Make `view-mode-exit' DTRT in more cases.
;; (3) An option (customizable via `help-window-select') to select the
;; (2) An option (customizable via `help-window-select') to select the
;; help window automatically.
;; (4) A marker (`help-window-point-marker') to move point in the help
;; (3) A marker (`help-window-point-marker') to move point in the help
;; window to an arbitrary buffer position.
;; Note: It's usually always wrong to use `help-print-return-message' in
;; the body of `with-help-window'.
(defmacro with-help-window (buffer-name &rest body)
"Display buffer BUFFER-NAME in a help window evaluating BODY.
"Display buffer with name BUFFER-NAME in a help window evaluating BODY.
Select help window if the actual value of the user option
`help-window-select' says so. Return last value in BODY."
`help-window-select' says so. Return last value in BODY.
You can specify where and how to show the buffer by binding the
variable `temp-buffer-show-specifiers' to an appropriate value."
(declare (indent 1) (debug t))
;; Bind list-of-frames to `frame-list' and list-of-window-tuples to a
;; list of one <window window-buffer window-start window-point> tuple
;; for each live window.
`(let ((list-of-frames (frame-list))
(list-of-window-tuples
(let (list)
(walk-windows
(lambda (window)
(push (list window (window-buffer window)
(window-start window) (window-point window))
list))
'no-mini t)
list)))
;; Make `help-window' t to trigger `help-mode-finish' to set
;; `help-window' to the actual help window.
(setq help-window t)
;; Make `help-window-point-marker' point nowhere (the only place
;; where this should be set to a buffer position is within BODY).
`(progn
;; Reset `display-buffer-window': `display-buffer' is
;; supposed to set this to the window displaying the buffer plus
;; some additional information.
(setq display-buffer-window nil)
;; Make `help-window-point-marker' point nowhere. The only place
;; where this should be set to a buffer position is within BODY.
(set-marker help-window-point-marker nil)
(prog1
;; Return value returned by `with-output-to-temp-buffer'.
(with-output-to-temp-buffer ,buffer-name
(progn ,@body))
(when (windowp help-window)
;; Set up help window.
(help-window-setup list-of-frames list-of-window-tuples))
;; Reset `help-window' to nil to avoid confusing future calls of
;; `help-mode-finish' with plain `with-output-to-temp-buffer'.
(setq help-window nil))))
(when display-buffer-window (help-window-setup)))))
;; Called from C, on encountering `help-char' when reading a char.
;; Don't print to *Help*; that would clobber Help history.
......
......@@ -55,10 +55,6 @@
:type 'face
:group 'view)
;; `view-mode-auto-exit' is replaced by the following option variable which
;; only says if scrolling past buffer end should leave view mode or not, it
;; doesn't say if leaving view mode should restore windows or not. The latter
;; is now controlled by the presence of a value in `view-return-to-alist'.
(defcustom view-scroll-auto-exit nil
"Non-nil means scrolling past the end of buffer exits View mode.
A value of nil means attempting to scroll past the end of the buffer,
......@@ -80,17 +76,14 @@ for all scroll commands in view mode."
If nil, make an icon of the frame. If non-nil, delete the frame."
:type 'boolean
:group 'view
;; Changed the default of this to t for Emacs 23. Users consider
;; frame iconification annoying.
:version "23.1")
(defcustom view-exits-all-viewing-windows nil
"Non-nil means restore all windows used to view buffer.
Commands that restore windows when finished viewing a buffer, apply to all
windows that display the buffer and have restore information in
`view-return-to-alist'.
If `view-exits-all-viewing-windows' is nil, only the selected window is
considered for restoring."
Commands that restore windows when finished viewing a buffer,
apply to all windows that display the buffer and have restore
information. If `view-exits-all-viewing-windows' is nil, only
the selected window is considered for restoring."
:type 'boolean
:group 'view)
......@@ -140,6 +133,8 @@ subtracted from by `view-mode-exit' when finished viewing the buffer.
See RETURN-TO-ALIST argument of function `view-mode-exit' for the format of
`view-return-to-alist'.")
(make-obsolete-variable
'view-return-to-alist "this variable is no more used." "24.1")
(make-variable-buffer-local 'view-return-to-alist)
(put 'view-return-to-alist 'permanent-local t)
......@@ -322,63 +317,48 @@ EXIT-ACTION to `kill-buffer-if-not-modified' avoids this."
(progn
(switch-to-buffer buffer)
(message "Not using View mode because the major mode is special"))
(let ((undo-window (list (window-buffer) (window-start) (window-point))))
(switch-to-buffer buffer)
(view-mode-enter (cons (selected-window) (cons nil undo-window))
exit-action))))
(pop-to-buffer-same-window buffer)
(view-mode-enter nil exit-action)))
;;;###autoload
(defun view-buffer-other-window (buffer &optional not-return exit-action)
"View BUFFER in View mode in another window.
Return to previous buffer when done, unless optional NOT-RETURN is
non-nil. Emacs commands editing the buffer contents are not available;
instead, a special set of commands (mostly letters and punctuation) are
defined for moving around in the buffer.
Emacs commands editing the buffer contents are not available;
instead, a special set of commands (mostly letters and
punctuation) are defined for moving around in the buffer.
Space scrolls forward, Delete scrolls backward.
For a list of all View commands, type H or h while viewing.
This command runs the normal hook `view-mode-hook'.
Optional argument NOT-RETURN is ignored.
Optional argument EXIT-ACTION is either nil or a function with buffer as
argument. This function is called when finished viewing buffer. Use
this argument instead of explicitly setting `view-exit-action'."
(interactive "bIn other window view buffer:\nP")
(let* ((win ; This window will be selected by
(get-lru-window)) ; switch-to-buffer-other-window below.
(return-to
(and (not not-return)
(cons (selected-window)
(if (eq win (selected-window))
t ; Has to make new window.
(list
(window-buffer win) ; Other windows old buffer.
(window-start win)
(window-point win)))))))
(switch-to-buffer-other-window buffer)
(view-mode-enter (and return-to (cons (selected-window) return-to))
exit-action)))
(pop-to-buffer-other-window buffer)
(view-mode-enter nil exit-action))
;;;###autoload
(defun view-buffer-other-frame (buffer &optional not-return exit-action)
"View BUFFER in View mode in another frame.
Return to previous buffer when done, unless optional NOT-RETURN is
non-nil. Emacs commands editing the buffer contents are not available;
instead, a special set of commands (mostly letters and punctuation) are
defined for moving around in the buffer.
Emacs commands editing the buffer contents are not available;
instead, a special set of commands (mostly letters and
punctuation) are defined for moving around in the buffer.
Space scrolls forward, Delete scrolls backward.