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-;; Basic editing commands for Emacs
-;; Copyright (C) 1989 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 copy-from-above-command (&optional arg)
- "Copy characters from previous nonblank line, starting just above point.
-Copy ARG characters, but not past the end of that line.
-If no argument given, copy the entire rest of the line.
-The characters copied are inserted in the buffer before point."
- (interactive "P")
- (let ((cc (current-column))
- n
- (string ""))
- (save-excursion
- (beginning-of-line)
- (backward-char 1)
- (skip-chars-backward "\ \t\n")
- (move-to-column cc)
- ;; Default is enough to copy the whole rest of the line.
- (setq n (if arg (prefix-numeric-value arg) (point-max)))
- ;; If current column winds up in middle of a tab,
- ;; copy appropriate number of "virtual" space chars.
- (if (< cc (current-column))
- (if (= (preceding-char) ?\t)
- (progn
- (setq string (make-string (min n (- (current-column) cc)) ?\ ))
- (setq n (- n (min n (- (current-column) cc)))))
- ;; In middle of ctl char => copy that whole char.
- (backward-char 1)))
- (setq string (concat string
- (buffer-substring
- (point)
- (min (save-excursion (end-of-line) (point))
- (+ n (point)))))))
- (insert string)))