;;; simple.el --- basic editing commands for Emacs
-;; Copyright (C) 1985-1987, 1993-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1985-1987, 1993-2013 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
(when (and (not end)
delete-trailing-lines
;; Really the end of buffer.
- (save-restriction (widen) (eobp))
+ (= (point-max) (1+ (buffer-size)))
(<= (skip-chars-backward "\n") -2))
(delete-region (1+ (point)) end-marker))
(set-marker end-marker nil))))
(defun just-one-space (&optional n)
"Delete all spaces and tabs around point, leaving one space (or N spaces).
-If N is negative, delete newlines as well."
+If N is negative, delete newlines as well, leaving -N spaces."
(interactive "*p")
(unless n (setq n 1))
(let ((orig-pos (point))
;; another undo command will find the undo history empty
;; and will get another error. To begin undoing the undos,
;; you must type some other command.
- (let ((modified (buffer-modified-p))
- (recent-save (recent-auto-save-p))
- message)
+ (let* ((modified (buffer-modified-p))
+ ;; For an indirect buffer, look in the base buffer for the
+ ;; auto-save data.
+ (base-buffer (or (buffer-base-buffer) (current-buffer)))
+ (recent-save (with-current-buffer base-buffer
+ (recent-auto-save-p)))
+ message)
;; If we get an error in undo-start,
;; the next command should not be a "consecutive undo".
;; So set `this-command' to something other than `undo'.
;; Record what the current undo list says,
;; so the next command can tell if the buffer was modified in between.
(and modified (not (buffer-modified-p))
- (delete-auto-save-file-if-necessary recent-save))
+ (with-current-buffer base-buffer
+ (delete-auto-save-file-if-necessary recent-save)))
;; Display a message announcing success.
(if message
(message "%s" message))))
falling back to `default-process-coding-system' if no match for COMMAND
is found in `process-coding-system-alist'.
-The noninteractive arguments are START, END, COMMAND,
-OUTPUT-BUFFER, REPLACE, ERROR-BUFFER, and DISPLAY-ERROR-BUFFER.
Noninteractive callers can specify coding systems by binding
`coding-system-for-read' and `coding-system-for-write'.
in the echo area or in a buffer.
If the output is short enough to display in the echo area
\(determined by the variable `max-mini-window-height' if
-`resize-mini-windows' is non-nil), it is shown there. Otherwise
-it is displayed in the buffer `*Shell Command Output*'. The output
-is available in that buffer in both cases.
+`resize-mini-windows' is non-nil), it is shown there.
+Otherwise it is displayed in the buffer `*Shell Command Output*'.
+The output is available in that buffer in both cases.
If there is output and an error, a message about the error
-appears at the end of the output.
-
-If there is no output, or if output is inserted in the current buffer,
-then `*Shell Command Output*' is deleted.
-
-If the optional fourth argument OUTPUT-BUFFER is non-nil,
-that says to put the output in some other buffer.
-If OUTPUT-BUFFER is a buffer or buffer name, put the output there.
-If OUTPUT-BUFFER is not a buffer and not nil,
-insert output in the current buffer.
-In either case, the output is inserted after point (leaving mark after it).
-
-If REPLACE, the optional fifth argument, is non-nil, that means insert
-the output in place of text from START to END, putting point and mark
+appears at the end of the output. If there is no output, or if
+output is inserted in the current buffer, the buffer `*Shell
+Command Output*' is deleted.
+
+Optional fourth arg OUTPUT-BUFFER specifies where to put the
+command's output. If the value is a buffer or buffer name, put
+the output there. Any other value, including nil, means to
+insert the output in the current buffer. In either case, the
+output is inserted after point (leaving mark after it).
+
+Optional fifth arg REPLACE, if non-nil, means to insert the
+output in place of text from START to END, putting point and mark
around it.
-If optional sixth argument ERROR-BUFFER is non-nil, it is a buffer
-or buffer name to which to direct the command's standard error output.
-If it is nil, error output is mingled with regular output.
-If DISPLAY-ERROR-BUFFER is non-nil, display the error buffer if there
-were any errors. (This is always t, interactively.)
-In an interactive call, the variable `shell-command-default-error-buffer'
-specifies the value of ERROR-BUFFER."
+Optional sixth arg ERROR-BUFFER, if non-nil, specifies a buffer
+or buffer name to which to direct the command's standard error
+output. If nil, error output is mingled with regular output.
+When called interactively, `shell-command-default-error-buffer'
+is used for ERROR-BUFFER.
+
+Optional seventh arg DISPLAY-ERROR-BUFFER, if non-nil, means to
+display the error buffer if there were any errors. When called
+interactively, this is t."
(interactive (let (string)
(unless (mark)
(error "The mark is not set now, so there is no region"))
(defcustom set-mark-default-inactive nil
"If non-nil, setting the mark does not activate it.
-This causes \\[set-mark-command] and \\[exchange-point-and-mark] to
-behave the same whether or not `transient-mark-mode' is enabled."
+This option does the same thing as disabling Transient Mark mode,
+and it will be removed in the near future."
:type 'boolean
:group 'editing-basics
:version "23.1")
+(make-obsolete-variable 'set-mark-default-inactive nil "24.3")
(defun set-mark-command (arg)
"Set the mark where point is, or jump to the mark.
You can also deactivate the mark by typing \\[keyboard-quit] or
\\[keyboard-escape-quit].
-Many commands change their behavior when Transient Mark mode is in effect
-and the mark is active, by acting on the region instead of their usual
-default part of the buffer's text. Examples of such commands include
-\\[comment-dwim], \\[flush-lines], \\[keep-lines], \
+Many commands change their behavior when Transient Mark mode is
+in effect and the mark is active, by acting on the region instead
+of their usual default part of the buffer's text. Examples of
+such commands include \\[comment-dwim], \\[flush-lines], \\[keep-lines],
\\[query-replace], \\[query-replace-regexp], \\[ispell], and \\[undo].
-Invoke \\[apropos-documentation] and type \"transient\" or
-\"mark.*active\" at the prompt, to see the documentation of
-commands which are sensitive to the Transient Mark mode."
+To see the documentation of commands which are sensitive to the
+Transient Mark mode, invoke \\[apropos-documentation] and type \"transient\"
+or \"mark.*active\" at the prompt."
:global t
;; It's defined in C/cus-start, this stops the d-m-m macro defining it again.
:variable transient-mark-mode)
(unless (and auto-window-vscroll try-vscroll
;; Only vscroll for single line moves
(= (abs arg) 1)
+ ;; Under scroll-conservatively, the display engine
+ ;; does this better.
+ (zerop scroll-conservatively)
;; But don't vscroll in a keyboard macro.
(not defining-kbd-macro)
(not executing-kbd-macro)
(point))))
(defun choose-completion-delete-max-match (string)
+ (declare (obsolete choose-completion-guess-base-position "23.2"))
(delete-region (choose-completion-guess-base-position string) (point)))
-(make-obsolete 'choose-completion-delete-max-match
- 'choose-completion-guess-base-position "23.2")
(defvar choose-completion-string-functions nil
"Functions that may override the normal insertion of a completion choice.
(if (if (eq normal-erase-is-backspace 'maybe)
(and (not noninteractive)
(or (memq system-type '(ms-dos windows-nt))
- (memq window-system '(ns))
+ (memq window-system '(w32 ns))
(and (memq window-system '(x))
(fboundp 'x-backspace-delete-keys-p)
(x-backspace-delete-keys-p))
and `view-read-only' is non-nil, enter view mode.
Do not call this from a Lisp program unless you really intend to
-do the same thing as the \\[toggle-read-only] command, including
+do the same thing as the \\[read-only-mode] command, including
possibly enabling or disabling View mode. Also, note that this
command works by setting the variable `buffer-read-only', which
does not affect read-only regions caused by text properties. To