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;;; poem.el --- Emulate latest MULE features; -*-byte-compile-dynamic: t;-*-
;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Keywords: emulation, compatibility, Mule
;; 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., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(require 'pces)
(cond ((featurep 'mule)
(cond ((featurep 'xemacs)
(require 'poem-xm)
)
((>= emacs-major-version 20)
(require 'poem-e20)
)
(t
;; for MULE 1.* and 2.*
(require 'poem-om)
))
)
((boundp 'NEMACS)
;; for Nemacs and Nepoch
(require 'poem-nemacs)
)
(t
(require 'poem-ltn1)
))
;;; @ Emacs 20.3 emulation
;;;
(defsubst-maybe string-as-unibyte (string)
"Return a unibyte string with the same individual bytes as STRING.
If STRING is unibyte, the result is STRING itself.
\[Emacs 20.3 emulating macro]"
string)
(defsubst-maybe string-as-multibyte (string)
"Return a multibyte string with the same individual bytes as STRING.
If STRING is multibyte, the result is STRING itself.
\[Emacs 20.3 emulating macro]"
string)
(defun-maybe charset-after (&optional pos)
"Return charset of a character in current buffer at position POS.
If POS is nil, it defauls to the current point.
If POS is out of range, the value is nil.
\[Emacs 20.3 emulating function]"
(char-charset (char-after pos))
)
;;; @ XEmacs-mule emulation
;;;
(defalias-maybe 'char-int 'identity)
(defalias-maybe 'int-char 'identity)
(defalias-maybe 'characterp 'integerp)
(defalias-maybe 'char-or-char-int-p 'integerp)
(defun-maybe char-octet (ch &optional n)
"Return the octet numbered N (should be 0 or 1) of char CH.
N defaults to 0 if omitted. [XEmacs-mule emulating function]"
(or (nth (if n
(1+ n)
1)
(split-char ch))
0))
;;; @ end
;;;
(require 'product)
(product-provide (provide 'poem) (require 'apel-ver))
;;; poem.el ends here
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