X-Git-Url: https://cgit.sxemacs.org/?a=blobdiff_plain;ds=sidebyside;f=lisp%2Fbinhex.el;h=dd76ce90809ee25837f4f55acd23d489603fd136;hb=d0ae8eae7ea91ca2d0b832c70bb2e938d107558a;hp=d6045d030393bc8c0c927ffe24990e0195b451e6;hpb=6d3039252bb175eba53a2028cbf3c0e90112388d;p=gnus

diff --git a/lisp/binhex.el b/lisp/binhex.el
index d6045d030..dd76ce908 100644
--- a/lisp/binhex.el
+++ b/lisp/binhex.el
@@ -1,17 +1,16 @@
-;;; binhex.el --- elisp native binhex decode
+;;; binhex.el --- decode BinHex-encoded text
 
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;;   2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2012 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: binhex news
 
 ;; This file is part of GNU Emacs.
 
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs 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 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -19,12 +18,15 @@
 ;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
+;; BinHex is a binary-to-text encoding scheme similar to uuencode.
+;; The command `binhex-decode-region' decodes BinHex-encoded text, via
+;; the external program "hexbin" if that is available, or an Emacs
+;; Lisp implementation if not.
+
 ;;; Code:
 
 (eval-when-compile (require 'cl))
@@ -77,10 +79,11 @@ input and write the converted data to its standard output."
 
 ;;;###autoload
 (defconst binhex-begin-line
-  "^:...............................................................$")
+  "^:...............................................................$"
+  "Regular expression matching the start of a BinHex encoded region.")
 (defconst binhex-body-line
   "^[^:]...............................................................$")
-(defconst binhex-end-line ":$")
+(defconst binhex-end-line ":$")		; unused
 
 (defvar binhex-temporary-file-directory
   (cond ((fboundp 'temp-directory) (temp-directory))
@@ -223,7 +226,8 @@ If HEADER-ONLY is non-nil only decode header and return filename."
 	  (goto-char start)
 	  (when (re-search-forward binhex-begin-line end t)
             (setq work-buffer (generate-new-buffer " *binhex-work*"))
-            (with-current-buffer work-buffer (set-buffer-multibyte nil))
+	    (unless (featurep 'xemacs)
+	      (with-current-buffer work-buffer (set-buffer-multibyte nil)))
 	    (beginning-of-line)
 	    (setq bits 0 counter 0)
 	    (while tmp
@@ -329,5 +333,4 @@ If HEADER-ONLY is non-nil only decode header and return filename."
 
 (provide 'binhex)
 
-;; arch-tag: 8476badd-1e76-4f1d-a640-f9a38c72eed8
 ;;; binhex.el ends here