* lisp/mail/binhex.el: Improve commentary (Bug#7482).

diff --git a/lisp/mail/binhex.el b/lisp/mail/binhex.el
index e131db76af88a51e78fef44dd52d939e1767919d..5769aa3125d0741a6608e5a1bb6af4ba27d8b56b 100644 (file)
--- a/lisp/mail/binhex.el
+++ b/lisp/mail/binhex.el
@@ -1,4 +1,4 @@
-;;; 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.
@@ -23,6 +23,11 @@
 
 ;;; 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))