2 ;;; emu.el --- Emulation module for each Emacs variants
4 ;;; Copyright (C) 1995 Free Software Foundation, Inc.
5 ;;; Copyright (C) 1995,1996 MORIOKA Tomohiko
7 ;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;;; modified by Shuhei KOBAYASHI <shuhei@cmpt01.phys.tohoku.ac.jp>
10 ;;; $Id: emu.el,v 7.3 1996/03/13 17:13:31 morioka Exp $
11 ;;; Keywords: emulation, compatibility, NEmacs, Mule, XEmacs
13 ;;; This file is part of tl (Tiny Library).
15 ;;; This program is free software; you can redistribute it and/or
16 ;;; modify it under the terms of the GNU General Public License as
17 ;;; published by the Free Software Foundation; either version 2, or
18 ;;; (at your option) any later version.
20 ;;; This program is distributed in the hope that it will be useful,
21 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
22 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 ;;; General Public License for more details.
25 ;;; You should have received a copy of the GNU General Public License
26 ;;; along with This program. If not, write to the Free Software
27 ;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
31 (cond ((boundp 'MULE) (require 'emu-mule))
32 ((boundp 'NEMACS)(require 'emu-nemacs))
33 (t (require 'emu-orig))
37 ;;; @ Emacs 19.29 emulation
40 (or (fboundp 'buffer-substring-no-properties)
41 (defun buffer-substring-no-properties (beg end)
42 "Return the text from BEG to END, without text properties, as a string."
43 (let ((string (buffer-substring beg end)))
44 (tl:set-text-properties 0 (length string) nil string)
48 (cond ((or (<= emacs-major-version 18)
49 (<= emacs-minor-version 28))
50 ;; for Emacs 19.28 or earlier
51 (defun tl:read-string (prompt &optional initial-input history)
52 (read-string prompt initial-input)
56 ;; for Emacs 19.29 or later
57 (defalias 'tl:read-string 'read-string)
61 ;;; @ XEmacs emulation
64 (or (fboundp 'functionp)
65 (defun functionp (obj)
66 "Returns t if OBJ is a function, nil otherwise.
67 \[emu.el; XEmacs emulating function]"
69 (byte-code-function-p obj)
70 (and (symbolp obj)(fboundp obj))
71 (and (consp obj)(eq (car obj) 'lambda))