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Text File | 1992-11-21 | 49.6 KB | 1,465 lines |
- ;; Basic editing commands for Emacs
- ;; Copyright (C) 1985, 1986, 1987, 1992 Free Software Foundation, Inc.
-
- ;; 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- (defun open-line (arg)
- "Insert a newline and leave point before it.
- With arg, inserts that many newlines."
- (interactive "*p")
- (let ((flag (and (bolp) (not (bobp)))))
- (if flag (forward-char -1))
- (while (> arg 0)
- (insert ?\n)
- (goto-char (1- (point)))
- (setq arg (1- arg)))
- (if flag (forward-char 1))))
-
- (defun split-line ()
- "Split current line, moving portion beyond point vertically down."
- (interactive "*")
- (skip-chars-forward " \t")
- (let ((col (current-column))
- (pos (point)))
- (insert ?\n)
- (indent-to col 0)
- (goto-char pos)))
-
- (defun quoted-insert (arg)
- "Read next input character and insert it.
- Useful for inserting control characters.
- You may also type up to 3 octal digits, to insert a character with that code"
- (interactive "*p")
- (let ((char (read-quoted-char)))
- (while (> arg 0)
- (insert char)
- (setq arg (1- arg)))))
-
- (defun delete-indentation (&optional arg)
- "Join this line to previous and fix up whitespace at join.
- With argument, join this line to following line."
- (interactive "*P")
- (beginning-of-line)
- (if arg (forward-line 1))
- (if (eq (preceding-char) ?\n)
- (progn
- (delete-region (point) (1- (point)))
- (fixup-whitespace))))
-
- (defun fixup-whitespace ()
- "Fixup white space between objects around point.
- Leave one space or none, according to the context."
- (interactive "*")
- (save-excursion
- (delete-horizontal-space)
- (if (or (looking-at "^\\|\\s)\\|$")
- (save-excursion (forward-char -1)
- (looking-at "\\s(\\|\\s'")))
- nil
- (insert ?\ ))))
-
- (defun delete-horizontal-space ()
- "Delete all spaces and tabs around point."
- (interactive "*")
- (skip-chars-backward " \t")
- (delete-region (point) (progn (skip-chars-forward " \t") (point))))
-
- (defun just-one-space ()
- "Delete all spaces and tabs around point, leaving one space."
- (interactive "*")
- (skip-chars-backward " \t")
- (if (= (following-char) ? )
- (forward-char 1)
- (insert ? ))
- (delete-region (point) (progn (skip-chars-forward " \t") (point))))
-
- (defun delete-blank-lines ()
- "On blank line, delete all surrounding blank lines, leaving just one.
- On isolated blank line, delete that one.
- On nonblank line, delete all blank lines that follow it."
- (interactive "*")
- (let (thisblank singleblank)
- (save-excursion
- (beginning-of-line)
- (setq thisblank (looking-at "[ \t]*$"))
- (setq singleblank
- (and thisblank
- (not (looking-at "[ \t]*\n[ \t]*$"))
- (or (bobp)
- (progn (forward-line -1)
- (not (looking-at "[ \t]*$")))))))
- (if thisblank
- (progn
- (beginning-of-line)
- (if singleblank (forward-line 1))
- (delete-region (point)
- (if (re-search-backward "[^ \t\n]" nil t)
- (progn (forward-line 1) (point))
- (point-min)))))
- (if (not (and thisblank singleblank))
- (save-excursion
- (end-of-line)
- (forward-line 1)
- (delete-region (point)
- (if (re-search-forward "[^ \t\n]" nil t)
- (progn (beginning-of-line) (point))
- (point-max)))))))
-
- (defun back-to-indentation ()
- "Move point to the first non-whitespace character on this line."
- (interactive)
- (beginning-of-line 1)
- (skip-chars-forward " \t"))
-
- (defun newline-and-indent ()
- "Insert a newline, then indent according to major mode.
- Indentation is done using the current indent-line-function.
- In programming language modes, this is the same as TAB.
- In some text modes, where TAB inserts a tab, this indents to the
- specified left-margin column."
- (interactive "*")
- (delete-region (point) (progn (skip-chars-backward " \t") (point)))
- (newline)
- (indent-according-to-mode))
-
- (defun reindent-then-newline-and-indent ()
- "Reindent current line, insert newline, then indent the new line.
- Indentation of both lines is done according to the current major mode,
- which means that the current value of indent-line-function is called.
- In programming language modes, this is the same as TAB.
- In some text modes, where TAB inserts a tab, this indents to the
- specified left-margin column."
- (interactive "*")
- (save-excursion
- (delete-region (point) (progn (skip-chars-backward " \t") (point)))
- (indent-according-to-mode))
- (newline)
- (indent-according-to-mode))
-
- (defun kill-forward-chars (arg)
- (if (listp arg) (setq arg (car arg)))
- (if (eq arg '-) (setq arg -1))
- (kill-region (point) (+ (point) arg)))
-
- (defun kill-backward-chars (arg)
- (if (listp arg) (setq arg (car arg)))
- (if (eq arg '-) (setq arg -1))
- (kill-region (point) (- (point) arg)))
-
- (defun backward-delete-char-untabify (arg &optional killp)
- "Delete characters backward, changing tabs into spaces.
- Delete ARG chars, and kill (save in kill ring) if KILLP is non-nil.
- Interactively, ARG is the prefix arg (default 1)
- and KILLP is t if prefix arg is was specified."
- (interactive "*p\nP")
- (let ((count arg))
- (save-excursion
- (while (and (> count 0) (not (bobp)))
- (if (= (preceding-char) ?\t)
- (let ((col (current-column)))
- (forward-char -1)
- (setq col (- col (current-column)))
- (insert-char ?\ col)
- (delete-char 1)))
- (forward-char -1)
- (setq count (1- count)))))
- (delete-backward-char arg killp))
-
- (defun zap-to-char (arg char)
- "Kill up to (but not including) ARG'th occurrence of CHAR.
- Goes backward if ARG is negative; goes to end of buffer if CHAR not found."
- (interactive "*p\ncZap to char: ")
- (kill-region (point) (if (search-forward (char-to-string char) nil t arg)
- (progn (goto-char (if (> arg 0) (1- (point)) (1+ (point))))
- (point))
- (if (> arg 0) (point-max) (point-min)))))
-
- (defun beginning-of-buffer (&optional arg)
- "Move point to the beginning of the buffer; leave mark at previous position.
- With arg N, put point N/10 of the way from the true beginning.
- Don't use this in Lisp programs!
- \(goto-char (point-min)) is faster and does not set the mark."
- (interactive "P")
- (push-mark)
- (goto-char (if arg
- (if (> (buffer-size) 10000)
- ;; Avoid overflow for large buffer sizes!
- (* (prefix-numeric-value arg)
- (/ (buffer-size) 10))
- (/ (+ 10 (* (buffer-size) (prefix-numeric-value arg))) 10))
- (point-min)))
- (if arg (forward-line 1)))
-
- (defun end-of-buffer (&optional arg)
- "Move point to the end of the buffer; leave mark at previous position.
- With arg N, put point N/10 of the way from the true end.
- Don't use this in Lisp programs!
- \(goto-char (point-max)) is faster and does not set the mark."
- (interactive "P")
- (push-mark)
- (goto-char (if arg
- (- (1+ (buffer-size))
- (if (> (buffer-size) 10000)
- ;; Avoid overflow for large buffer sizes!
- (* (prefix-numeric-value arg)
- (/ (buffer-size) 10))
- (/ (* (buffer-size) (prefix-numeric-value arg)) 10)))
- (point-max)))
- (if arg (forward-line 1)))
-
- (defun mark-whole-buffer ()
- "Put point at beginning and mark at end of buffer."
- (interactive)
- (push-mark (point))
- (push-mark (point-max))
- (goto-char (point-min)))
-
- (defun count-lines-region (start end)
- "Print number of lines in the region."
- (interactive "r")
- (message "Region has %d lines" (count-lines start end)))
-
- (defun what-line ()
- "Print the current line number (in the buffer) of point."
- (interactive)
- (save-restriction
- (widen)
- (save-excursion
- (beginning-of-line)
- (message "Line %d"
- (1+ (count-lines 1 (point)))))))
-
- (defun count-lines (start end)
- "Return number of newlines between START and END."
- (save-excursion
- (save-restriction
- (narrow-to-region start end)
- (goto-char (point-min))
- (- (buffer-size) (forward-line (buffer-size))))))
-
- (defun what-cursor-position ()
- "Print info on cursor position (on screen and within buffer)."
- (interactive)
- (let* ((char (following-char))
- (beg (point-min))
- (end (point-max))
- (pos (point))
- (total (buffer-size))
- (percent (if (> total 50000)
- ;; Avoid overflow from multiplying by 100!
- (/ (+ (/ total 200) (1- pos)) (max (/ total 100) 1))
- (/ (+ (/ total 2) (* 100 (1- pos))) (max total 1))))
- (hscroll (if (= (window-hscroll) 0)
- ""
- (format " Hscroll=%d" (window-hscroll))))
- (col (current-column)))
- (if (= pos end)
- (if (or (/= beg 1) (/= end (1+ total)))
- (message "point=%d of %d(%d%%) <%d - %d> column %d %s"
- pos total percent beg end col hscroll)
- (message "point=%d of %d(%d%%) column %d %s"
- pos total percent col hscroll))
- (if (or (/= beg 1) (/= end (1+ total)))
- (message "Char: %s (0%o) point=%d of %d(%d%%) <%d - %d> column %d %s"
- (single-key-description char) char pos total percent beg end col hscroll)
- (message "Char: %s (0%o) point=%d of %d(%d%%) column %d %s"
- (single-key-description char) char pos total percent col hscroll)))))
-
- (defun fundamental-mode ()
- "Major mode not specialized for anything in particular.
- Other major modes are defined by comparison with this one."
- (interactive)
- (kill-all-local-variables))
-
- (put 'eval-expression 'disabled t)
-
- ;; We define this, rather than making eval interactive,
- ;; for the sake of completion of names like eval-region, eval-current-buffer.
- (defun eval-expression (expression)
- "Evaluate EXPRESSION and print value in minibuffer.
- Value is also consed on to front of variable values 's value."
- (interactive "xEval: ")
- (setq values (cons (eval expression) values))
- (prin1 (car values) t))
-
- (defun edit-and-eval-command (prompt command)
- "Prompting with PROMPT, let user edit COMMAND and eval result.
- COMMAND is a Lisp expression. Let user edit that expression in
- the minibuffer, then read and evaluate the result."
- (eval (read-minibuffer prompt
- (prin1-to-string command))))
-
- (defvar repeat-complex-command-map (copy-alist minibuffer-local-map))
- (define-key repeat-complex-command-map "\ep" 'previous-complex-command)
- (define-key repeat-complex-command-map "\en" 'next-complex-command)
- (defun repeat-complex-command (repeat-complex-command-arg)
- "Edit and re-evaluate last complex command, or ARGth from last.
- A complex command is one which used the minibuffer.
- The command is placed in the minibuffer as a Lisp form for editing.
- The result is executed, repeating the command as changed.
- If the command has been changed or is not the most recent previous command
- it is added to the front of the command history.
- Whilst editing the command, the following commands are available:
- \\{repeat-complex-command-map}"
- (interactive "p")
- (let ((elt (nth (1- repeat-complex-command-arg) command-history))
- newcmd)
- (if elt
- (progn
- (setq newcmd (read-from-minibuffer "Redo: "
- (prin1-to-string elt)
- repeat-complex-command-map
- t))
- ;; If command to be redone does not match front of history,
- ;; add it to the history.
- (or (equal newcmd (car command-history))
- (setq command-history (cons newcmd command-history)))
- (eval newcmd))
- (ding))))
-
- (defun next-complex-command (n)
- "Inserts the next element of `command-history' into the minibuffer."
- (interactive "p")
- (let ((narg (min (max 1 (- repeat-complex-command-arg n))
- (length command-history))))
- (if (= repeat-complex-command-arg narg)
- (error (if (= repeat-complex-command-arg 1)
- "No following item in command history"
- "No preceeding item command history"))
- (erase-buffer)
- (setq repeat-complex-command-arg narg)
- (insert (prin1-to-string (nth (1- repeat-complex-command-arg)
- command-history)))
- (goto-char (point-min)))))
-
- (defun previous-complex-command (n)
- "Inserts the previous element of `command-history' into the minibuffer."
- (interactive "p")
- (next-complex-command (- n)))
-
- (defun goto-line (arg)
- "Goto line ARG, counting from line 1 at beginning of buffer."
- (interactive "NGoto line: ")
- (save-restriction
- (widen)
- (goto-char 1)
- (if (eq selective-display t)
- (re-search-forward "[\n\C-m]" nil 'end (1- arg))
- (forward-line (1- arg)))))
-
- ;Put this on C-x u, so we can force that rather than C-_ into startup msg
- (fset 'advertised-undo 'undo)
-
- (defun undo (&optional arg)
- "Undo some previous changes.
- Repeat this command to undo more changes.
- A numeric argument serves as a repeat count."
- (interactive "*p")
- (let ((modified (buffer-modified-p)))
- (or (eq (selected-window) (minibuffer-window))
- (message "Undo!"))
- (or (eq last-command 'undo)
- (progn (undo-start)
- (undo-more 1)))
- (setq this-command 'undo)
- (undo-more (or arg 1))
- (and modified (not (buffer-modified-p))
- (delete-auto-save-file-if-necessary))))
-
- (defun shell-command (command &optional flag)
- "Execute string COMMAND in inferior shell; display output, if any.
- Optional second arg non-nil (prefix arg, if interactive)
- means insert output in current buffer after point (leave mark after it)."
- (interactive "sShell command: \nP")
- (if flag
- (progn (barf-if-buffer-read-only)
- (push-mark)
- (call-process shell-file-name nil t nil
- "-c" command)
- (exchange-point-and-mark))
- (shell-command-on-region (point) (point) command nil)))
-
- (defun shell-command-on-region (start end command &optional flag interactive)
- "Execute string COMMAND in inferior shell with region as input.
- Normally display output (if any) in temp buffer;
- Prefix arg means replace the region with it.
- Noninteractive args are START, END, COMMAND, FLAG.
- Noninteractively FLAG means insert output in place of text from START to END,
- and put point at the end, but don't alter the mark."
- (interactive "r\nsShell command on region: \nP\np")
- (if flag
- ;; Replace specified region with output from command.
- (let ((swap (and interactive (< (point) (mark)))))
- ;; Don't muck with mark
- ;; unless called interactively.
- (and interactive (push-mark))
- (call-process-region start end shell-file-name t t nil
- "-c" command)
- (and interactive swap (exchange-point-and-mark)))
- (let ((buffer (get-buffer-create "*Shell Command Output*")))
- (if (eq buffer (current-buffer))
- ;; If the input is the same buffer as the output,
- ;; delete everything but the specified region,
- ;; then replace that region with the output.
- (progn (delete-region end (point-max))
- (delete-region (point-min) start)
- (call-process-region (point-min) (point-max)
- shell-file-name t t nil
- "-c" command))
- ;; Clear the output buffer, then run the command with output there.
- (save-excursion
- (set-buffer buffer)
- (erase-buffer))
- (call-process-region start end shell-file-name
- nil buffer nil
- "-c" command))
- (if (save-excursion
- (set-buffer buffer)
- (> (buffer-size) 0))
- (set-window-start (display-buffer buffer) 1)
- (message "(Shell command completed with no output)")))))
-
- (defun universal-argument ()
- "Begin a numeric argument for the following command.
- Digits or minus sign following \\[universal-argument] make up the numeric argument.
- \\[universal-argument] following the digits or minus sign ends the argument.
- \\[universal-argument] without digits or minus sign provides 4 as argument.
- Repeating \\[universal-argument] without digits or minus sign
- multiplies the argument by 4 each time."
- (interactive nil)
- (let ((c-u 4) (argstartchar last-command-char)
- char)
- ; (describe-arg (list c-u) 1)
- (setq char (read-char))
- (while (= char argstartchar)
- (setq c-u (* 4 c-u))
- ; (describe-arg (list c-u) 1)
- (setq char (read-char)))
- (prefix-arg-internal char c-u nil)))
-
- (defun prefix-arg-internal (char c-u value)
- (let ((sign 1))
- (if (and (numberp value) (< value 0))
- (setq sign -1 value (- value)))
- (if (eq value '-)
- (setq sign -1 value nil))
- ; (describe-arg value sign)
- (while (= ?- char)
- (setq sign (- sign) c-u nil)
- ; (describe-arg value sign)
- (setq char (read-char)))
- (while (and (>= char ?0) (<= char ?9))
- (setq value (+ (* (if (numberp value) value 0) 10) (- char ?0)) c-u nil)
- ; (describe-arg value sign)
- (setq char (read-char)))
- ;; Repeating the arg-start char after digits
- ;; terminates the argument but is ignored.
- (if (eq (lookup-key global-map (make-string 1 char)) 'universal-argument)
- (setq char (read-char)))
- (setq prefix-arg
- (cond (c-u (list c-u))
- ((numberp value) (* value sign))
- ((= sign -1) '-)))
- (setq unread-command-char char)))
-
- ;(defun describe-arg (value sign)
- ; (cond ((numberp value)
- ; (message "Arg: %d" (* value sign)))
- ; ((consp value)
- ; (message "Arg: C-u factor %d" (car value)))
- ; ((< sign 0)
- ; (message "Arg: -"))))
-
- (defun digit-argument (arg)
- "Part of the numeric argument for the next command.
- \\[universal-argument] following digits or minus sign ends the argument."
- (interactive "P")
- (prefix-arg-internal last-command-char nil arg))
-
- (defun negative-argument (arg)
- "Begin a negative numeric argument for the next command.
- \\[universal-argument] following digits or minus sign ends the argument."
- (interactive "P")
- (prefix-arg-internal ?- nil arg))
-
- (defun forward-to-indentation (arg)
- "Move forward ARG lines and position at first nonblank character."
- (interactive "p")
- (forward-line arg)
- (skip-chars-forward " \t"))
-
- (defun backward-to-indentation (arg)
- "Move backward ARG lines and position at first nonblank character."
- (interactive "p")
- (forward-line (- arg))
- (skip-chars-forward " \t"))
-
- (defun kill-line (&optional arg)
- "Kill the rest of the current line; if no nonblanks there, kill thru newline.
- With prefix argument, kill that many lines from point.
- Negative arguments kill lines backward.
-
- When calling from a program, nil means \"no arg\",
- a number counts as a prefix arg."
- (interactive "*P")
- (kill-region (point)
- (progn
- (if arg
- (forward-line (prefix-numeric-value arg))
- (if (eobp)
- (signal 'end-of-buffer nil))
- (if (looking-at "[ \t]*$")
- (forward-line 1)
- (end-of-line)))
- (point))))
-
- ;;;; The kill ring
-
- (defvar kill-ring nil
- "List of killed text sequences.")
-
- (defconst kill-ring-max 30
- "*Maximum length of kill ring before oldest elements are thrown away.")
-
- (defvar kill-ring-yank-pointer nil
- "The tail of the kill ring whose car is the last thing yanked.")
-
- (if (eq system-type 'amigados)
- (progn
- (defun safe-amiga-paste ()
- "Paste from the amiga clipboard, trapping any errors."
- (condition-case nil
- (amiga-paste)
- (error nil)))
-
- (defun check-clipboard ()
- "If there is anything new in the clipboard, add it to the emacs kill ring.
- Returns t if there was something added, nil otherwise."
- (let (added)
- (if amiga-new-clip
- (let ((str (safe-amiga-paste)))
- (setq amiga-new-clip nil)
- (if str
- (progn
- (kill-add str)
- (setq added t)
- (setq kill-ring-yank-pointer kill-ring)))))
- added))
- (defun update-clipboard (str)
- (amiga-cut str)
- (setq amiga-new-clip nil)))
- (progn ; These could be defined for X-Windows.
- (defun check-clipboard () nil)
- (defun update-clipboard () nil)))
-
- (defun kill-append (string before-p)
- (setcar kill-ring
- (if before-p
- (concat string (car kill-ring))
- (concat (car kill-ring) string)))
- (update-clipboard (car kill-ring)))
-
- (defun kill-add (string)
- (check-clipboard)
- (setq kill-ring (cons string kill-ring))
- (update-clipboard string)
- (if (> (length kill-ring) kill-ring-max)
- (setcdr (nthcdr (1- kill-ring-max) kill-ring) nil)))
-
- (defun kill-region (beg end)
- "Kill between point and mark.
- The text is deleted but saved in the kill ring.
- The command \\[yank] can retrieve it from there.
- \(If you want to kill and then yank immediately, use \\[copy-region-as-kill].)
-
- This is the primitive for programs to kill text (as opposed to deleting it).
- Supply two arguments, character numbers indicating the stretch of text
- to be killed.
- Any command that calls this function is a \"kill command\".
- If the previous command was also a kill command,
- the text killed this time appends to the text killed last time
- to make one entry in the kill ring."
- (interactive "*r")
- (if (and (not (eq buffer-undo-list t))
- (not (eq last-command 'kill-region))
- (not (eq beg end))
- ;; This test is here in case someone wants to remove the `*'
- ;; above, so that the text gets stored in the kill ring
- ;; even though it doesn't get deleted.
- (not buffer-read-only))
- ;; Don't let the undo list be truncated before we can even access it.
- (let ((undo-high-threshold (+ (- (max beg end) (min beg end)) 100)))
- (delete-region beg end)
- ;; Take the same string recorded for undo
- ;; and put it in the kill-ring.
- (kill-add (car (car buffer-undo-list)))
- (setq this-command 'kill-region)
- (setq kill-ring-yank-pointer kill-ring))
- (copy-region-as-kill beg end)
- (delete-region beg end)))
-
- (fset 'kill-ring-save 'copy-region-as-kill)
-
- (defun copy-region-as-kill (beg end)
- "Save the region as if killed, but don't kill it."
- (interactive "r")
- (if (and (eq last-command 'kill-region) (not (check-clipboard)))
- (kill-append (buffer-substring beg end) (< end beg))
- (kill-add (buffer-substring beg end)))
- (setq this-command 'kill-region)
- (setq kill-ring-yank-pointer kill-ring))
-
- (defun append-next-kill ()
- "Cause following command, if kill, to append to previous kill."
- (interactive)
- (if (interactive-p)
- (setq this-command 'kill-region)
- (setq last-command 'kill-region)))
-
- (defun rotate-yank-pointer (arg)
- "Rotate the yanking point in the kill ring."
- (interactive "p")
- (let ((length (length kill-ring)))
- (if (zerop length)
- (error "Kill ring is empty")
- (setq kill-ring-yank-pointer
- (nthcdr (% (+ arg (- length (length kill-ring-yank-pointer)))
- length)
- kill-ring)))))
-
- (defun yank-pop (arg)
- "Replace just-yanked stretch of killed-text with a different stretch.
- This command is allowed only immediately after a yank or a yank-pop.
- At such a time, the region contains a stretch of reinserted
- previously-killed text. yank-pop deletes that text and inserts in its
- place a different stretch of killed text.
-
- With no argument, the previous kill is inserted.
- With argument n, the n'th previous kill is inserted.
- If n is negative, this is a more recent kill.
-
- The sequence of kills wraps around, so that after the oldest one
- comes the newest one."
- (interactive "*p")
- (if (not (eq last-command 'yank))
- (error "Previous command was not a yank"))
- (setq this-command 'yank)
- (let ((before (< (point) (mark))))
- (delete-region (point) (mark))
- (rotate-yank-pointer arg)
- (set-mark (point))
- (insert (car kill-ring-yank-pointer))
- (if before (exchange-point-and-mark))))
-
- (defun yank (&optional arg)
- "Reinsert the last stretch of killed text.
- More precisely, reinsert the stretch of killed text most recently
- killed OR yanked.
- With just C-U as argument, same but put point in front (and mark at end).
- With argument n, reinsert the nth most recently killed stretch of killed
- text.
- See also the command \\[yank-pop]."
- (interactive "*P")
- (check-clipboard)
- (rotate-yank-pointer (if (listp arg) 0
- (if (eq arg '-) -1
- (1- arg))))
- (push-mark (point))
- (insert (car kill-ring-yank-pointer))
- (if (consp arg)
- (exchange-point-and-mark)))
-
- (defun insert-buffer (buffer)
- "Insert after point the contents of BUFFER.
- Puts mark after the inserted text.
- BUFFER may be a buffer or a buffer name."
- (interactive "*bInsert buffer: ")
- (or (bufferp buffer)
- (setq buffer (get-buffer buffer)))
- (let (start end newmark)
- (save-excursion
- (save-excursion
- (set-buffer buffer)
- (setq start (point-min) end (point-max)))
- (insert-buffer-substring buffer start end)
- (setq newmark (point)))
- (push-mark newmark)))
-
- (defun append-to-buffer (buffer start end)
- "Append to specified buffer the text of the region.
- It is inserted into that buffer before its point.
-
- When calling from a program, give three arguments:
- a buffer or the name of one, and two character numbers
- specifying the portion of the current buffer to be copied."
- (interactive "BAppend to buffer: \nr")
- (let ((oldbuf (current-buffer)))
- (save-excursion
- (set-buffer (get-buffer-create buffer))
- (insert-buffer-substring oldbuf start end))))
-
- (defun prepend-to-buffer (buffer start end)
- "Prepend to specified buffer the text of the region.
- It is inserted into that buffer after its point.
-
- When calling from a program, give three arguments:
- a buffer or the name of one, and two character numbers
- specifying the portion of the current buffer to be copied."
- (interactive "BPrepend to buffer: \nr")
- (let ((oldbuf (current-buffer)))
- (save-excursion
- (set-buffer (get-buffer-create buffer))
- (save-excursion
- (insert-buffer-substring oldbuf start end)))))
-
- (defun copy-to-buffer (buffer start end)
- "Copy to specified buffer the text of the region.
- It is inserted into that buffer, replacing existing text there.
-
- When calling from a program, give three arguments:
- a buffer or the name of one, and two character numbers
- specifying the portion of the current buffer to be copied."
- (interactive "BCopy to buffer: \nr")
- (let ((oldbuf (current-buffer)))
- (save-excursion
- (set-buffer (get-buffer-create buffer))
- (erase-buffer)
- (save-excursion
- (insert-buffer-substring oldbuf start end)))))
-
- (defun mark ()
- "Return this buffer's mark value as integer, or nil if no mark.
- If you are using this in an editing command, you are most likely making
- a mistake; see the documentation of `set-mark'."
- (marker-position (mark-marker)))
-
- (defun set-mark (pos)
- "Set this buffer's mark to POS. Don't use this function!
- That is to say, don't use this function unless you want
- the user to see that the mark has moved, and you want the previous
- mark position to be lost.
-
- Normally, when a new mark is set, the old one should go on the stack.
- This is why most applications should use push-mark, not set-mark.
-
- Novice emacs-lisp programmers often try to use the mark for the wrong
- purposes. The mark saves a location for the user's convenience.
- Most editing commands should not alter the mark.
- To remember a location for internal use in the Lisp program,
- store it in a Lisp variable. Example:
-
- (let ((beg (point))) (forward-line 1) (delete-region beg (point)))."
-
- (set-marker (mark-marker) pos (current-buffer)))
-
- (defvar mark-ring nil
- "The list of saved former marks of the current buffer,
- most recent first.")
- (make-variable-buffer-local 'mark-ring)
-
- (defconst mark-ring-max 16
- "*Maximum size of mark ring. Start discarding off end if gets this big.")
-
- (defun set-mark-command (arg)
- "Set mark at where point is, or jump to mark.
- With no prefix argument, set mark, and push previous mark on mark ring.
- With argument, jump to mark, and pop into mark off the mark ring.
-
- Novice emacs-lisp programmers often try to use the mark for the wrong
- purposes. See the documentation of `set-mark' for more information."
- (interactive "P")
- (if (null arg)
- (push-mark)
- (if (null (mark))
- (error "No mark set in this buffer")
- (goto-char (mark))
- (pop-mark))))
-
- (defun push-mark (&optional location nomsg)
- "Set mark at LOCATION (point, by default) and push old mark on mark ring.
- Displays \"Mark set\" unless the optional second arg NOMSG is non-nil.
-
- Novice emacs-lisp programmers often try to use the mark for the wrong
- purposes. See the documentation of `set-mark' for more information."
- (if (null (mark))
- nil
- (setq mark-ring (cons (copy-marker (mark-marker)) mark-ring))
- (if (> (length mark-ring) mark-ring-max)
- (progn
- (move-marker (car (nthcdr mark-ring-max mark-ring)) nil)
- (setcdr (nthcdr (1- mark-ring-max) mark-ring) nil))))
- (set-mark (or location (point)))
- (or nomsg executing-macro (> (minibuffer-depth) 0)
- (message "Mark set")))
-
- (defun pop-mark ()
- "Pop off mark ring into the buffer's actual mark.
- Does not set point. Does nothing if mark ring is empty."
- (if mark-ring
- (progn
- (setq mark-ring (nconc mark-ring (list (copy-marker (mark-marker)))))
- (set-mark (+ 0 (car mark-ring)))
- (move-marker (car mark-ring) nil)
- (if (null (mark)) (ding))
- (setq mark-ring (cdr mark-ring)))))
-
- (fset 'exchange-dot-and-mark 'exchange-point-and-mark)
- (defun exchange-point-and-mark ()
- "Put the mark where point is now, and point where the mark is now."
- (interactive nil)
- (let ((omark (mark)))
- (if (null omark)
- (error "No mark set in this buffer"))
- (set-mark (point))
- (goto-char omark)
- nil))
-
- (defun next-line (arg)
- "Move cursor vertically down ARG lines.
- If there is no character in the target line exactly under the current column,
- 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.
- If there is no line in the buffer after this one,
- a newline character is inserted to create a line
- and the cursor moves to that line.
-
- 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.
-
- If you are thinking of using this in a Lisp program, consider
- using `forward-line' instead. It is usually easier to use
- and more reliable (no dependence on goal column, etc.)."
- (interactive "p")
- (if (= arg 1)
- (let ((opoint (point)))
- (forward-line 1)
- (if (or (= opoint (point))
- (not (eq (preceding-char) ?\n)))
- (insert ?\n)
- (goto-char opoint)
- (next-line-internal arg)))
- (next-line-internal arg))
- nil)
-
- (defun previous-line (arg)
- "Move cursor vertically up ARG lines.
- If there is no character in the target line exactly over the current column,
- 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 \\[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.
-
- If you are thinking of using this in a Lisp program, consider using
- `forward-line' with negative argument instead.. It is usually easier
- to use and more reliable (no dependence on goal column, etc.)."
- (interactive "p")
- (next-line-internal (- arg))
- nil)
-
- (defconst track-eol nil
- "*Non-nil means vertical motion starting at the end of a line should keep to ends of lines.
- This means moving to the end of each line moved onto.")
-
- (defvar goal-column nil
- "*Semipermanent goal column for vertical motion, as set by \\[set-goal-column], or nil.")
-
- (defvar temporary-goal-column 0
- "Current goal column for vertical motion.
- It is the column where point was at the start of current run of vertical motion commands.")
-
- (defun next-line-internal (arg)
- (if (not (or (eq last-command 'next-line)
- (eq last-command 'previous-line)))
- (setq temporary-goal-column
- (if (and track-eol (eolp))
- t
- (current-column))))
- (if (not (integerp selective-display))
- (forward-line arg)
- ;; Move by arg lines, but ignore invisible ones.
- (while (> arg 0)
- (vertical-motion 1)
- (forward-char -1)
- (forward-line 1)
- (setq arg (1- arg)))
- (while (< arg 0)
- (vertical-motion -1)
- (beginning-of-line)
- (setq arg (1+ arg))))
- (if (eq (or goal-column temporary-goal-column) t)
- (end-of-line)
- (move-to-column (or goal-column temporary-goal-column)))
- nil)
-
-
- (defun set-goal-column (arg)
- "Set the current horizontal position as a goal for \\[next-line] and \\[previous-line].
- Those commands will move to this position in the line moved to
- rather than trying to keep the same horizontal position.
- With a non-nil argument, clears out the goal column
- so that \\[next-line] and \\[previous-line] resume vertical motion."
- (interactive "P")
- (if arg
- (progn
- (setq goal-column nil)
- (message "No goal column"))
- (setq goal-column (current-column))
- (message (substitute-command-keys
- "Goal column %d (use \\[set-goal-column] with an arg to unset it)")
- goal-column))
- nil)
-
- (defun transpose-chars (arg)
- "Interchange characters around point, moving forward one character.
- With prefix arg ARG, effect is to take character before point
- and drag it forward past ARG other characters (backward if ARG negative).
- If no argument and at end of line, the previous two chars are exchanged."
- (interactive "*P")
- (and (null arg) (eolp) (forward-char -1))
- (transpose-subr 'forward-char (prefix-numeric-value arg)))
-
- (defun transpose-words (arg)
- "Interchange words around point, leaving point at end of them.
- With prefix arg ARG, effect is to take word before or around point
- and drag it forward past ARG other words (backward if ARG negative).
- If ARG is zero, the words around or after point and around or after mark
- are interchanged."
- (interactive "*p")
- (transpose-subr 'forward-word arg))
-
- (defun transpose-sexps (arg)
- "Like \\[transpose-words] but applies to sexps.
- Does not work on a sexp that point is in the middle of
- if it is a list or string."
- (interactive "*p")
- (transpose-subr 'forward-sexp arg))
-
- (defun transpose-lines (arg)
- "Exchange current line and previous line, leaving point after both.
- With argument ARG, takes previous line and moves it past ARG lines.
- With argument 0, interchanges line point is in with line mark is in."
- (interactive "*p")
- (transpose-subr (function
- (lambda (arg)
- (if (= arg 1)
- (progn
- ;; Move forward over a line,
- ;; but create a newline if none exists yet.
- (end-of-line)
- (if (eobp)
- (newline)
- (forward-char 1)))
- (forward-line arg))))
- arg))
-
- (defun transpose-subr (mover arg)
- (let (start1 end1 start2 end2)
- (if (= arg 0)
- (progn
- (save-excursion
- (funcall mover 1)
- (setq end2 (point))
- (funcall mover -1)
- (setq start2 (point))
- (goto-char (mark))
- (funcall mover 1)
- (setq end1 (point))
- (funcall mover -1)
- (setq start1 (point))
- (transpose-subr-1))
- (exchange-point-and-mark)))
- (while (> arg 0)
- (funcall mover -1)
- (setq start1 (point))
- (funcall mover 1)
- (setq end1 (point))
- (funcall mover 1)
- (setq end2 (point))
- (funcall mover -1)
- (setq start2 (point))
- (transpose-subr-1)
- (goto-char end2)
- (setq arg (1- arg)))
- (while (< arg 0)
- (funcall mover -1)
- (setq start2 (point))
- (funcall mover -1)
- (setq start1 (point))
- (funcall mover 1)
- (setq end1 (point))
- (funcall mover 1)
- (setq end2 (point))
- (transpose-subr-1)
- (setq arg (1+ arg)))))
-
- (defun transpose-subr-1 ()
- (if (> (min end1 end2) (max start1 start2))
- (error "Don't have two things to transpose"))
- (let ((word1 (buffer-substring start1 end1))
- (word2 (buffer-substring start2 end2)))
- (delete-region start2 end2)
- (goto-char start2)
- (insert word1)
- (goto-char (if (< start1 start2) start1
- (+ start1 (- (length word1) (length word2)))))
- (delete-char (length word1))
- (insert word2)))
-
- (defconst comment-column 32
- "*Column to indent right-margin comments to.
- Setting this variable automatically makes it local to the current buffer.")
- (make-variable-buffer-local 'comment-column)
-
- (defconst comment-start nil
- "*String to insert to start a new comment, or nil if no comment syntax defined.")
-
- (defconst comment-start-skip nil
- "*Regexp to match the start of a comment plus everything up to its body.
- If there are any \\(...\\) pairs, the comment delimiter text is held to begin
- at the place matched by the close of the first pair.")
-
- (defconst comment-end ""
- "*String to insert to end a new comment.
- Should be an empty string if comments are terminated by end-of-line.")
-
- (defconst comment-indent-hook
- '(lambda () comment-column)
- "Function to compute desired indentation for a comment
- given the character number it starts at.")
-
- (defun indent-for-comment ()
- "Indent this line's comment to comment column, or insert an empty comment."
- (interactive "*")
- (beginning-of-line 1)
- (if (null comment-start)
- (error "No comment syntax defined")
- (let* ((eolpos (save-excursion (end-of-line) (point)))
- cpos indent begpos)
- (if (re-search-forward comment-start-skip eolpos 'move)
- (progn (setq cpos (point-marker))
- ;; Find the start of the comment delimiter.
- ;; If there were paren-pairs in comment-start-skip,
- ;; position at the end of the first pair.
- (if (match-end 1)
- (goto-char (match-end 1))
- ;; If comment-start-skip matched a string with internal
- ;; whitespace (not final whitespace) then the delimiter
- ;; start at the end of that whitespace.
- ;; Otherwise, it starts at the beginning of what was matched.
- (skip-chars-backward " \t" (match-beginning 0))
- (skip-chars-backward "^ \t" (match-beginning 0)))))
- (setq begpos (point))
- ;; Compute desired indent.
- (if (= (current-column)
- (setq indent (funcall comment-indent-hook)))
- (goto-char begpos)
- ;; If that's different from current, change it.
- (skip-chars-backward " \t")
- (delete-region (point) begpos)
- (indent-to indent))
- ;; An existing comment?
- (if cpos
- (progn (goto-char cpos)
- (set-marker cpos nil))
- ;; No, insert one.
- (insert comment-start)
- (save-excursion
- (insert comment-end))))))
-
- (defun set-comment-column (arg)
- "Set the comment column based on point.
- With no arg, set the comment column to the current column.
- With just minus as arg, kill any comment on this line.
- With any other arg, set comment column to indentation of the previous comment
- and then align or create a comment on this line at that column."
- (interactive "P")
- (if (eq arg '-)
- (kill-comment nil)
- (if arg
- (progn
- (save-excursion
- (beginning-of-line)
- (re-search-backward comment-start-skip)
- (beginning-of-line)
- (re-search-forward comment-start-skip)
- (goto-char (match-beginning 0))
- (setq comment-column (current-column))
- (message "Comment column set to %d" comment-column))
- (indent-for-comment))
- (setq comment-column (current-column))
- (message "Comment column set to %d" comment-column))))
-
- (defun kill-comment (arg)
- "Kill the comment on this line, if any.
- With argument, kill comments on that many lines starting with this one."
- (interactive "P")
- (barf-if-buffer-read-only)
- (let ((count (prefix-numeric-value arg)))
- (beginning-of-line)
- (while (> count 0)
- (let ((eolpos (save-excursion (end-of-line) (point))))
- (if (re-search-forward comment-start-skip eolpos t)
- (progn
- (goto-char (match-beginning 0))
- (skip-chars-backward " \t")
- (kill-region (point) eolpos))))
- (if arg
- (forward-line 1))
- (setq count (1- count)))))
-
- (defun backward-word (arg)
- "Move backward until encountering the end of a word.
- With argument, do this that many times.
- In programs, it is faster to call forward-word with negative arg."
- (interactive "p")
- (forward-word (- arg)))
-
- (defun mark-word (arg)
- "Set mark arg words away from point."
- (interactive "p")
- (push-mark
- (save-excursion
- (forward-word arg)
- (point))))
-
- (defun kill-word (arg)
- "Kill characters forward until encountering the end of a word.
- With argument, do this that many times."
- (interactive "*p")
- (kill-region (point) (progn (forward-word arg) (point))))
-
- (defun backward-kill-word (arg)
- "Kill characters backward until encountering the end of a word.
- With argument, do this that many times."
- (interactive "*p")
- (kill-word (- arg)))
-
- (defconst fill-prefix nil
- "*String for filling to insert at front of new line, or nil for none.
- Setting this variable automatically makes it local to the current buffer.")
- (make-variable-buffer-local 'fill-prefix)
-
- (defun do-auto-fill ()
- (let ((fill-point
- (let ((opoint (point)))
- (save-excursion
- (move-to-column (1+ fill-column))
- (skip-chars-backward "^ \t\n")
- (if (bolp)
- (re-search-forward "[ \t]" opoint t))
- (skip-chars-backward " \t")
- (point)))))
- ;; If there is a space on the line before fill-point,
- ;; and nonspaces precede it, break the line there.
- (if (save-excursion
- (goto-char fill-point)
- (not (bolp)))
- ;; If point is at the fill-point, do not `save-excursion'.
- ;; Otherwise, if a comment prefix or fill-prefix is inserted,
- ;; point will end up before it rather than after it.
- (if (save-excursion
- (skip-chars-backward " \t")
- (= (point) fill-point))
- (indent-new-comment-line)
- (save-excursion
- (goto-char fill-point)
- (indent-new-comment-line))))))
-
- (defconst comment-multi-line nil
- "*Non-nil means \\[indent-new-comment-line] should continue same comment
- on new line, with no new terminator or starter.")
-
- (defun indent-new-comment-line ()
- "Break line at point and indent, continuing comment if presently within one.
- The body of the continued comment is indented under the previous comment line."
- (interactive "*")
- (let (comcol comstart)
- (skip-chars-backward " \t")
- (delete-region (point)
- (progn (skip-chars-forward " \t")
- (point)))
- (insert ?\n)
- (save-excursion
- (if (and comment-start-skip
- (let ((opoint (point)))
- (forward-line -1)
- (re-search-forward comment-start-skip opoint t)))
- ;; The old line is a comment.
- ;; Set WIN to the pos of the comment-start.
- ;; But if the comment is empty, look at preceding lines
- ;; to find one that has a nonempty comment.
- (let ((win (match-beginning 0)))
- (while (and (eolp) (not (bobp))
- (let (opoint)
- (beginning-of-line)
- (setq opoint (point))
- (forward-line -1)
- (re-search-forward comment-start-skip opoint t)))
- (setq win (match-beginning 0)))
- ;; Indent this line like what we found.
- (goto-char win)
- (setq comcol (current-column))
- (setq comstart (buffer-substring (point) (match-end 0))))))
- (if comcol
- (let ((comment-column comcol)
- (comment-start comstart)
- (comment-end comment-end))
- (and comment-end (not (equal comment-end ""))
- (if (not comment-multi-line)
- (progn
- (forward-char -1)
- (insert comment-end)
- (forward-char 1))
- (setq comment-column (+ comment-column (length comment-start))
- comment-start "")))
- (if (not (eolp))
- (setq comment-end ""))
- (insert ?\n)
- (forward-char -1)
- (indent-for-comment)
- (delete-char 1))
- (if fill-prefix
- (insert fill-prefix)
- (indent-according-to-mode)))))
-
- (defun auto-fill-mode (arg)
- "Toggle auto-fill mode.
- With arg, turn auto-fill mode on iff arg is positive.
- In auto-fill mode, inserting a space at a column beyond fill-column
- automatically breaks the line at a previous space."
- (interactive "P")
- (prog1 (setq auto-fill-hook
- (if (if (null arg)
- (not auto-fill-hook)
- (> (prefix-numeric-value arg) 0))
- 'do-auto-fill
- nil))
- ;; update mode-line
- (set-buffer-modified-p (buffer-modified-p))))
-
- (defun turn-on-auto-fill ()
- "Unconditionally turn on Auto Fill mode."
- (auto-fill-mode 1))
-
- (defun set-fill-column (arg)
- "Set fill-column to current column, or to argument if given.
- fill-column's value is separate for each buffer."
- (interactive "P")
- (setq fill-column (if (integerp arg) arg (current-column)))
- (message "fill-column set to %d" fill-column))
-
- (defun set-selective-display (arg)
- "Set selective-display to ARG; clear it if no arg.
- When selective-display is a number > 0,
- lines whose indentation is >= selective-display are not displayed.
- selective-display's value is separate for each buffer."
- (interactive "P")
- (if (eq selective-display t)
- (error "selective-display already in use for marked lines"))
- (setq selective-display
- (and arg (prefix-numeric-value arg)))
- (set-window-start (selected-window) (window-start (selected-window)))
- (princ "selective-display set to " t)
- (prin1 selective-display t)
- (princ "." t))
-
- (defun overwrite-mode (arg)
- "Toggle overwrite mode.
- With arg, turn overwrite mode on iff arg is positive.
- In overwrite mode, printing characters typed in replace existing text
- on a one-for-one basis, rather than pushing it to the right."
- (interactive "P")
- (setq overwrite-mode
- (if (null arg) (not overwrite-mode)
- (> (prefix-numeric-value arg) 0)))
- (set-buffer-modified-p (buffer-modified-p))) ;No-op, but updates mode line.
-
- (defconst blink-matching-paren t
- "*Non-nil means show matching open-paren when close-paren is inserted.")
-
- (defconst blink-matching-paren-distance 4000
- "*If non-nil, is maximum distance to search for matching open-paren
- when close-paren is inserted.")
-
- (defun blink-matching-open ()
- "Move cursor momentarily to the beginning of the sexp before point."
- (and (> (point) (1+ (point-min)))
- (/= (char-syntax (char-after (- (point) 2))) ?\\ )
- blink-matching-paren
- (let* ((oldpos (point))
- (blinkpos)
- (mismatch))
- (save-excursion
- (save-restriction
- (if blink-matching-paren-distance
- (narrow-to-region (max (point-min)
- (- (point) blink-matching-paren-distance))
- oldpos))
- (condition-case ()
- (setq blinkpos (scan-sexps oldpos -1))
- (error nil)))
- (and blinkpos (/= (char-syntax (char-after blinkpos))
- ?\$)
- (setq mismatch
- (/= (char-after (1- oldpos))
- (logand (lsh (aref (syntax-table)
- (char-after blinkpos))
- -8)
- 255))))
- (if mismatch (setq blinkpos nil))
- (if blinkpos
- (progn
- (goto-char blinkpos)
- (if (pos-visible-in-window-p)
- (sit-for 1)
- (goto-char blinkpos)
- (message
- "Matches %s"
- (if (save-excursion
- (skip-chars-backward " \t")
- (not (bolp)))
- (buffer-substring (progn (beginning-of-line) (point))
- (1+ blinkpos))
- (buffer-substring blinkpos
- (progn
- (forward-char 1)
- (skip-chars-forward "\n \t")
- (end-of-line)
- (point)))))))
- (cond (mismatch
- (message "Mismatched parentheses"))
- ((not blink-matching-paren-distance)
- (message "Unmatched parenthesis"))))))))
-
- ;Turned off because it makes dbx bomb out.
- (setq blink-paren-hook 'blink-matching-open)
-
- ; this is just something for the luser to see in a keymap -- this is not
- ; how quitting works normally!
- (defun keyboard-quit ()
- "Signal a quit condition."
- (interactive)
- (signal 'quit nil))
-
- (define-key global-map "\C-g" 'keyboard-quit)
-
- (defun set-variable (var val)
- "Set VARIABLE to VALUE. VALUE is a Lisp object.
- When using this interactively, supply a Lisp expression for VALUE.
- If you want VALUE to be a string, you must surround it with doublequotes."
- (interactive
- (let* ((var (read-variable "Set variable: "))
- (minibuffer-help-form
- '(funcall myhelp))
- (myhelp
- (function
- (lambda ()
- (with-output-to-temp-buffer "*Help*"
- (prin1 var)
- (princ "\nDocumentation:\n")
- (princ (substring (documentation-property var 'variable-documentation)
- 1))
- (if (boundp var)
- (let ((print-length 20))
- (princ "\n\nCurrent value: ")
- (prin1 (symbol-value var))))
- nil)))))
- (list var
- (eval-minibuffer (format "Set %s to value: " var)))))
- (set var val))
-
- ;These commands are defined in editfns.c
- ;but they are not assigned to keys there.
- (put 'narrow-to-region 'disabled t)
- (define-key ctl-x-map "n" 'narrow-to-region)
- (define-key ctl-x-map "w" 'widen)
-
- (define-key global-map "\C-j" 'newline-and-indent)
- (define-key global-map "\C-m" 'newline)
- (define-key global-map "\C-o" 'open-line)
- (define-key esc-map "\C-o" 'split-line)
- (define-key global-map "\C-q" 'quoted-insert)
- (define-key esc-map "^" 'delete-indentation)
- (define-key esc-map "\\" 'delete-horizontal-space)
- (define-key esc-map "m" 'back-to-indentation)
- (define-key ctl-x-map "\C-o" 'delete-blank-lines)
- (define-key esc-map " " 'just-one-space)
- (define-key esc-map "z" 'zap-to-char)
- (define-key esc-map "=" 'count-lines-region)
- (define-key ctl-x-map "=" 'what-cursor-position)
- (define-key esc-map "\e" 'eval-expression)
- (define-key ctl-x-map "\e" 'repeat-complex-command)
- (define-key ctl-x-map "u" 'advertised-undo)
- (define-key global-map "\C-_" 'undo)
- (define-key esc-map "!" 'shell-command)
- (define-key esc-map "|" 'shell-command-on-region)
-
- (define-key global-map "\C-u" 'universal-argument)
- (let ((i ?0))
- (while (<= i ?9)
- (define-key esc-map (char-to-string i) 'digit-argument)
- (setq i (1+ i))))
- (define-key esc-map "-" 'negative-argument)
-
- (define-key global-map "\C-k" 'kill-line)
- (define-key global-map "\C-w" 'kill-region)
- (define-key esc-map "w" 'copy-region-as-kill)
- (define-key esc-map "\C-w" 'append-next-kill)
- (define-key global-map "\C-y" 'yank)
- (define-key esc-map "y" 'yank-pop)
-
- (define-key ctl-x-map "a" 'append-to-buffer)
-
- (define-key global-map "\C-@" 'set-mark-command)
- (define-key ctl-x-map "\C-x" 'exchange-point-and-mark)
-
- (define-key global-map "\C-n" 'next-line)
- (define-key global-map "\C-p" 'previous-line)
- (define-key ctl-x-map "\C-n" 'set-goal-column)
-
- (define-key global-map "\C-t" 'transpose-chars)
- (define-key esc-map "t" 'transpose-words)
- (define-key esc-map "\C-t" 'transpose-sexps)
- (define-key ctl-x-map "\C-t" 'transpose-lines)
-
- (define-key esc-map ";" 'indent-for-comment)
- (define-key esc-map "j" 'indent-new-comment-line)
- (define-key esc-map "\C-j" 'indent-new-comment-line)
- (define-key ctl-x-map ";" 'set-comment-column)
- (define-key ctl-x-map "f" 'set-fill-column)
- (define-key ctl-x-map "$" 'set-selective-display)
-
- (define-key esc-map "@" 'mark-word)
- (define-key esc-map "f" 'forward-word)
- (define-key esc-map "b" 'backward-word)
- (define-key esc-map "d" 'kill-word)
- (define-key esc-map "\177" 'backward-kill-word)
-
- (define-key esc-map "<" 'beginning-of-buffer)
- (define-key esc-map ">" 'end-of-buffer)
- (define-key ctl-x-map "h" 'mark-whole-buffer)
- (define-key esc-map "\\" 'delete-horizontal-space)
-
- (fset 'mode-specific-command-prefix (make-sparse-keymap))
- (defconst mode-specific-map (symbol-function 'mode-specific-command-prefix)
- "Keymap for characters following C-c.")
- (define-key global-map "\C-c" 'mode-specific-command-prefix)
-