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makesum.el
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Lisp/Scheme
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1996-09-28
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3KB
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101 lines
;; Generate key binding summary for Emacs
;; Copyright (C) 1985 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 make-command-summary ()
"Make a summary of current key bindings in the buffer *Summary*.
Previous contents of that buffer are killed first."
(interactive)
(message "Making command summary...")
;; This puts a description of bindings in a buffer called *Help*.
(save-window-excursion
(describe-bindings))
(with-output-to-temp-buffer "*Summary*"
(save-excursion
(let ((cur-mode mode-name))
(set-buffer standard-output)
(erase-buffer)
(insert-buffer-substring "*Help*")
(goto-char (point-min))
(delete-region (point) (progn (forward-line 1) (point)))
(while (search-forward " " nil t)
(replace-match " "))
(goto-char (point-min))
(while (search-forward "-@ " nil t)
(replace-match "-SP"))
(goto-char (point-min))
(while (search-forward " .. ~ " nil t)
(replace-match "SP .. ~"))
(goto-char (point-min))
(while (search-forward "C-?" nil t)
(replace-match "DEL"))
(goto-char (point-min))
(while (search-forward "C-i" nil t)
(replace-match "TAB"))
(goto-char (point-min))
(if (re-search-forward "^Local Bindings:" nil t)
(progn
(forward-char -1)
(insert " for " cur-mode " Mode")
(while (search-forward "??\n" nil t)
(delete-region (point)
(progn
(forward-line -1)
(point))))))
(goto-char (point-min))
(insert "Emacs command summary, " (substring (current-time-string) 0 10)
".\n")
;; Delete "key binding" and underlining of dashes.
(delete-region (point) (progn (forward-line 2) (point)))
(forward-line 1) ;Skip blank line
(while (not (eobp))
(let ((beg (point)))
(or (re-search-forward "^$" nil t)
(goto-char (point-max)))
(double-column beg (point))
(forward-line 1)))
(goto-char (point-min)))))
(message "Making command summary...done"))
(defun double-column (start end)
(interactive "r")
(let (half cnt
line lines nlines
(from-end (- (point-max) end)))
(setq nlines (count-lines start end))
(if (<= nlines 1)
nil
(setq half (/ (1+ nlines) 2))
(goto-char start)
(save-excursion
(forward-line half)
(while (< half nlines)
(setq half (1+ half))
(setq line (buffer-substring (point) (save-excursion (end-of-line) (point))))
(setq lines (cons line lines))
(delete-region (point) (progn (forward-line 1) (point)))))
(setq lines (nreverse lines))
(while lines
(end-of-line)
(indent-to 41)
(insert (car lines))
(forward-line 1)
(setq lines (cdr lines))))
(goto-char (- (point-max) from-end))))