1 ;;; inv-23.el --- invisible feature implementation for Emacs 23 or later
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2010
4 ;; Free Software Foundation, Inc.
6 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
7 ;; Keywords: invisible, text-property, region, Emacs 23
9 ;; This file is part of APEL (A Portable Emacs Library).
11 ;; This program is free software; you can redistribute it and/or
12 ;; modify it under the terms of the GNU General Public License as
13 ;; published by the Free Software Foundation; either version 2, or (at
14 ;; your option) any later version.
16 ;; This program is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
30 (defun enable-invisible ())
31 (defun disable-invisible ())
32 (defalias 'end-of-invisible 'disable-invisible)
33 (make-obsolete 'end-of-invisible 'disable-invisible)
35 (defun invisible-region (start end)
38 (eq (following-char) ?\n))
40 (put-text-property start end 'invisible t))
42 (defun visible-region (start end)
43 (put-text-property start end 'invisible nil))
45 (defun next-visible-point (pos)
46 (if (setq pos (next-single-property-change pos 'invisible))
47 (if (eq ?\n (char-after pos))
57 (product-provide (provide 'inv-23) (require 'apel-ver))
59 ;;; inv-23.el ends here