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Annotation of 43BSD/contrib/emacs/lisp/makesum.el, revision 1.1

1.1     ! root        1: ;; Generate key binding summary for Emacs
        !             2: ;; Copyright (C) 1985 Richard M. Stallman.
        !             3: 
        !             4: ;; This file is part of GNU Emacs.
        !             5: 
        !             6: ;; GNU Emacs is distributed in the hope that it will be useful,
        !             7: ;; but WITHOUT ANY WARRANTY.  No author or distributor
        !             8: ;; accepts responsibility to anyone for the consequences of using it
        !             9: ;; or for whether it serves any particular purpose or works at all,
        !            10: ;; unless he says so in writing.  Refer to the GNU Emacs General Public
        !            11: ;; License for full details.
        !            12: 
        !            13: ;; Everyone is granted permission to copy, modify and redistribute
        !            14: ;; GNU Emacs, but only under the conditions described in the
        !            15: ;; GNU Emacs General Public License.   A copy of this license is
        !            16: ;; supposed to have been given to you along with GNU Emacs so you
        !            17: ;; can know your rights and responsibilities.  It should be in a
        !            18: ;; file named COPYING.  Among other things, the copyright notice
        !            19: ;; and this notice must be preserved on all copies.
        !            20: 
        !            21: 
        !            22: (defun make-command-summary ()
        !            23:   "Make a summary of current key bindings in the buffer *Summary*.
        !            24: Previous contents of that buffer are killed first."
        !            25:   (interactive)
        !            26:   (message "Making command summary...")
        !            27:   ;; This puts a description of bindings in a buffer called *Help*.
        !            28:   (save-window-excursion
        !            29:    (describe-bindings))
        !            30:   (with-output-to-temp-buffer "*Summary*"
        !            31:     (save-excursion
        !            32:      (let ((cur-mode mode-name))
        !            33:        (set-buffer standard-output)
        !            34:        (erase-buffer)
        !            35:        (insert-buffer-substring "*Help*")
        !            36:        (goto-char (point-min))
        !            37:        (delete-region (point) (progn (forward-line 1) (point)))
        !            38:        (while (search-forward "         " nil t)
        !            39:         (replace-match "  "))
        !            40:        (goto-char (point-min))
        !            41:        (while (search-forward "-@ " nil t)
        !            42:         (replace-match "-SP"))
        !            43:        (goto-char (point-min))
        !            44:        (while (search-forward "  .. ~ " nil t)
        !            45:         (replace-match "SP .. ~"))
        !            46:        (goto-char (point-min))
        !            47:        (while (search-forward "C-?" nil t)
        !            48:         (replace-match "DEL"))
        !            49:        (goto-char (point-min))
        !            50:        (while (search-forward "C-i" nil t)
        !            51:         (replace-match "TAB"))
        !            52:        (goto-char (point-min))
        !            53:        (if (re-search-forward "^Local Bindings:" nil t)
        !            54:           (progn
        !            55:            (forward-char -1)
        !            56:            (insert " for " cur-mode " Mode")
        !            57:            (while (search-forward "??\n" nil t)
        !            58:              (delete-region (point)
        !            59:                             (progn
        !            60:                              (forward-line -1)
        !            61:                              (point))))))
        !            62:        (goto-char (point-min))
        !            63:        (insert "Emacs command summary, " (substring (current-time-string) 0 10)
        !            64:               ".\n")
        !            65:        ;; Delete "key    binding" and underlining of dashes.
        !            66:        (delete-region (point) (progn (forward-line 2) (point)))
        !            67:        (forward-line 1)                        ;Skip blank line
        !            68:        (while (not (eobp))
        !            69:         (let ((beg (point)))
        !            70:           (or (re-search-forward "^$" nil t)
        !            71:               (goto-char (point-max)))
        !            72:           (double-column beg (point))
        !            73:           (forward-line 1)))
        !            74:        (goto-char (point-min)))))
        !            75:   (message "Making command summary...done"))
        !            76: 
        !            77: (defun double-column (start end)
        !            78:   (interactive "r")
        !            79:   (let (half cnt
        !            80:         line lines nlines
        !            81:        (from-end (- (point-max) end)))
        !            82:     (setq nlines (count-lines start end))
        !            83:     (if (<= nlines 1)
        !            84:        nil
        !            85:       (setq half (/ (1+ nlines) 2))
        !            86:       (goto-char start)
        !            87:       (save-excursion
        !            88:        (forward-line half)
        !            89:        (while (< half nlines)
        !            90:         (setq half (1+ half))
        !            91:         (setq line (buffer-substring (point) (save-excursion (end-of-line) (point))))
        !            92:         (setq lines (cons line lines))
        !            93:         (delete-region (point) (progn (forward-line 1) (point)))))
        !            94:       (setq lines (nreverse lines))
        !            95:       (while lines
        !            96:        (end-of-line)
        !            97:        (indent-to 41)
        !            98:        (insert (car lines))
        !            99:        (forward-line 1)
        !           100:        (setq lines (cdr lines))))
        !           101:     (goto-char (- (point-max) from-end))))

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