1 ;;; inv-xemacs.el --- invisible feature implementation for XEmacs
3 ;; Copyright (C) 1995 Free Software Foundation, Inc.
4 ;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
6 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Keywords: invisible, text-property, region, XEmacs
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 XEmacs; see the file COPYING. If not, write to the Free
23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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))
39 (setq start (1+ start)))
40 (put-text-property start end 'invisible t))
42 (defun visible-region (start end)
43 (put-text-property start end 'invisible nil))
45 (defun invisible-p (pos)
48 (eq (following-char) ?\n))
50 (get-text-property pos 'invisible))
52 (defun next-visible-point (pos)
56 (eq (following-char) ?\n))
58 (or (next-single-property-change pos 'invisible)
66 (product-provide (provide 'inv-xemacs) (require 'apel-ver))
68 ;;; inv-xemacs.el ends here