1 ;;; poem-e20_2.el --- poem implementation for Emacs 20.1 and 20.2
3 ;; Copyright (C) 1996,1997,1998,1999 Free Software Foundation, Inc.
5 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
6 ;; Keywords: emulation, compatibility, Mule
8 ;; This file is part of APEL (A Portable Emacs Library).
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 ;;; @ buffer representation
34 (defun-maybe set-buffer-multibyte (flag)
35 "Set the multibyte flag of the current buffer to FLAG.
36 If FLAG is t, this makes the buffer a multibyte buffer.
37 If FLAG is nil, this makes the buffer a single-byte buffer.
38 The buffer contents remain unchanged as a sequence of bytes
39 but the contents viewed as characters do change.
40 \[Emacs 20.3 emulating function]"
41 (setq enable-multibyte-characters flag)
48 (defalias 'char-length 'char-bytes)
50 (defmacro char-next-index (char index)
51 "Return index of character succeeding CHAR whose index is INDEX."
52 `(+ ,index (char-bytes ,char)))
58 (defalias 'sset 'store-substring)
60 (defun string-to-char-list (string)
61 "Return a list of which elements are characters in the STRING."
62 (let* ((len (length string))
66 (setq chr (sref string i))
68 (setq i (+ i (char-bytes chr)))
72 (defalias 'string-to-int-list 'string-to-char-list)
74 (defun looking-at-as-unibyte (regexp)
75 "Like `looking-at', but string is regarded as unibyte sequence."
76 (let (enable-multibyte-characters)
79 ;;; @@ obsoleted aliases
81 ;;; You should not use them.
83 (defalias 'string-columns 'string-width)
84 (make-obsolete 'string-columns 'string-width)
91 (product-provide (provide 'poem-e20_2) (require 'apel-ver))
93 ;;; poem-e20_2.el ends here