-;;; poem.el --- Portable Outfit for Emacsen: about MULE API
+;;; poem.el --- Emulate latest MULE features; -*-byte-compile-dynamic: t;-*-
;; Copyright (C) 1998 Free Software Foundation, Inc.
(require 'poe)
+(eval-and-compile
+ (unless (fboundp 'open-network-stream)
+ (require 'tcp)))
+
(cond ((featurep 'mule)
(cond ((featurep 'xemacs)
(require 'poem-xm)
;;; @ Emacs 20.3 emulation
;;;
-(defmacro-maybe string-as-unibyte (string)
+(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)
-(defmacro-maybe string-as-multibyte (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 20 emulation
+;;; @ XEmacs-mule emulation
;;;
-(or (fboundp 'char-int)
- (fset 'char-int (symbol-function 'identity)))
+(defalias-maybe 'char-int 'identity)
+
+(defalias-maybe 'int-char 'identity)
+
+(defalias-maybe 'characterp 'integerp)
-(or (fboundp 'int-char)
- (fset 'int-char (symbol-function 'identity)))
+(defalias-maybe 'char-or-char-int-p 'integerp)
-(or (fboundp 'char-or-char-int-p)
- (fset 'char-or-char-int-p (symbol-function '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