Add 2012 to FSF copyright years for Emacs files.

[gnus] / lisp / binhex.el

diff --git a/lisp/binhex.el b/lisp/binhex.el
index 42d2f35..dd76ce9 100644 (file)
--- a/lisp/binhex.el
+++ b/lisp/binhex.el
@@ -1,7 +1,6 @@
-;;; 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, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2012 Free Software Foundation, Inc.
 
 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
 ;; Keywords: binhex news
@@ -23,6 +22,11 @@
 
 ;;; 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))
@@ -75,10 +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))