/usr/share/emacs/site-lisp/apel/inv-23.el is in apel 10.8-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | ;;; inv-23.el --- invisible feature implementation for Emacs 23 or later
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2010
;; Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Keywords: invisible, text-property, region, Emacs 23
;; This file is part of APEL (A Portable Emacs Library).
;; This program 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 2, or (at
;; your option) any later version.
;; This program 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, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Code:
(require 'poe)
(defun enable-invisible ())
(defun disable-invisible ())
(defalias 'end-of-invisible 'disable-invisible)
(make-obsolete 'end-of-invisible 'disable-invisible)
(defun invisible-region (start end)
(if (save-excursion
(goto-char (1- end))
(eq (following-char) ?\n))
(setq end (1- end)))
(put-text-property start end 'invisible t))
(defun visible-region (start end)
(put-text-property start end 'invisible nil))
(defun next-visible-point (pos)
(if (setq pos (next-single-property-change pos 'invisible))
(if (eq ?\n (char-after pos))
(1+ pos)
pos)
(point-max)))
;;; @ end
;;;
(require 'product)
(product-provide (provide 'inv-23) (require 'apel-ver))
;;; inv-23.el ends here
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