Mercurial > hg > xemacs-beta
comparison lisp/misc.el @ 209:41ff10fd062f r20-4b3
Import from CVS: tag r20-4b3
author | cvs |
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date | Mon, 13 Aug 2007 10:04:58 +0200 |
parents | |
children | 308d34e9f07d |
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1 ;;; misc.el --- miscellaneous functions for XEmacs | |
2 | |
3 ;; Copyright (C) 1989, 1997 Free Software Foundation, Inc. | |
4 | |
5 ;; Maintainer: FSF | |
6 ;; Keywords: extensions, dumped | |
7 | |
8 ;; This file is part of XEmacs. | |
9 | |
10 ;; XEmacs is free software; you can redistribute it and/or modify it | |
11 ;; under the terms of the GNU General Public License as published by | |
12 ;; the Free Software Foundation; either version 2, or (at your option) | |
13 ;; any later version. | |
14 | |
15 ;; XEmacs is distributed in the hope that it will be useful, but | |
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 ;; General Public License for more details. | |
19 | |
20 ;; You should have received a copy of the GNU General Public License | |
21 ;; along with XEmacs; see the file COPYING. If not, write to the Free | |
22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
23 ;; 02111-1307, USA. | |
24 | |
25 ;;; Synched up with: FSF 19.34. | |
26 | |
27 ;;; Commentary: | |
28 | |
29 ;; This file is dumped with XEmacs. | |
30 | |
31 ;; 06/11/1997 - Use char-(after|before) instead of | |
32 ;; (following|preceding)-char. -slb | |
33 | |
34 ;;; Code: | |
35 | |
36 (defun copy-from-above-command (&optional arg) | |
37 "Copy characters from previous nonblank line, starting just above point. | |
38 Copy ARG characters, but not past the end of that line. | |
39 If no argument given, copy the entire rest of the line. | |
40 The characters copied are inserted in the buffer before point." | |
41 (interactive "P") | |
42 (let ((cc (current-column)) | |
43 n | |
44 (string "")) | |
45 (save-excursion | |
46 (beginning-of-line) | |
47 (backward-char 1) | |
48 (skip-chars-backward "\ \t\n") | |
49 (move-to-column cc) | |
50 ;; Default is enough to copy the whole rest of the line. | |
51 (setq n (if arg (prefix-numeric-value arg) (point-max))) | |
52 ;; If current column winds up in middle of a tab, | |
53 ;; copy appropriate number of "virtual" space chars. | |
54 (if (< cc (current-column)) | |
55 (if (eq (char-before (point)) ?\t) | |
56 (progn | |
57 (setq string (make-string (min n (- (current-column) cc)) ?\ )) | |
58 (setq n (- n (min n (- (current-column) cc))))) | |
59 ;; In middle of ctl char => copy that whole char. | |
60 (backward-char 1))) | |
61 (setq string (concat string | |
62 (buffer-substring | |
63 (point) | |
64 (min (save-excursion (end-of-line) (point)) | |
65 (+ n (point))))))) | |
66 (insert string))) | |
67 | |
68 ;;; misc.el ends here |