1 ;;; emu-e20_2.el --- emu API implementation for Emacs 20.1 and 20.2
3 ;; Copyright (C) 1996,1997,1998 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: emulation, compatibility, Mule
8 ;; This file is part of emu.
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or (at
13 ;; your option) any later version.
15 ;; This program 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.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 ;; This module requires Emacs 20.1 and 20.2.
31 (defsubst-maybe set-buffer-multibyte (flag)
32 "Set the multibyte flag of the current buffer to FLAG.
33 If FLAG is t, this makes the buffer a multibyte buffer.
34 If FLAG is nil, this makes the buffer a single-byte buffer.
35 The buffer contents remain unchanged as a sequence of bytes
36 but the contents viewed as characters do change."
37 (setq enable-multibyte-characters flag)
44 (defalias 'char-length 'char-bytes)
46 (defmacro char-next-index (char index)
47 "Return index of character succeeding CHAR whose index is INDEX."
48 `(+ ,index (char-bytes ,char)))
54 (defalias 'sset 'store-substring)
56 (defun string-to-char-list (string)
57 "Return a list of which elements are characters in the STRING."
58 (let* ((len (length string))
62 (setq chr (sref string i))
64 (setq i (+ i (char-bytes chr)))
69 (defalias 'string-to-int-list 'string-to-char-list)
71 ;;; @@ obsoleted aliases
73 ;;; You should not use them.
75 (defalias 'string-columns 'string-width)
76 (make-obsolete 'string-columns 'string-width)
84 ;;; emu-e20_2.el ends here