(declare-function): Remove duplicate definition by Glenn Morris <rgm@gnu.org>.

[gnus] / lisp / hashcash.el

diff --git a/lisp/hashcash.el b/lisp/hashcash.el
index a6d148c..c7b48cf 100644 (file)
--- a/lisp/hashcash.el
+++ b/lisp/hashcash.el
@@ -1,6 +1,7 @@
 ;;; hashcash.el --- Add hashcash payments to email
 
-;; Copyright (C) 2003, 2004, 2005, 2007, 2008  Free Software Foundation
+;; Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010
+;;   Free Software Foundation
 
 ;; Written by: Paul Foley <mycroft@actrix.gen.nz> (1997-2002)
 ;; Maintainer: Paul Foley <mycroft@actrix.gen.nz>
@@ -8,20 +9,18 @@
 
 ;; 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
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the
+;; 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., 51 Franklin Street, Fifth Floor,
-;; Boston, MA 02110-1301, USA.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
@@ -52,6 +51,8 @@
 (eval-and-compile
   (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
 
+(eval-when-compile (require 'cl))      ; for case
+
 (defgroup hashcash nil
   "Hashcash configuration."
   :group 'mail)
@@ -115,8 +116,6 @@ For example, you may want to set this to '(\"-Z2\") to reduce header length."
 (require 'mail-utils)
 
 (eval-and-compile
-  (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))
-
   (if (fboundp 'point-at-bol)
       (defalias 'hashcash-point-at-bol 'point-at-bol)
     (defalias 'hashcash-point-at-bol 'line-beginning-position))
@@ -131,10 +130,10 @@ For example, you may want to set this to '(\"-Z2\") to reduce header length."
       (concat (match-string 1 addr) (match-string 2 addr))
     addr))
 
-(declare-function  message-narrow-to-headers-or-head "message" ())
-(declare-function  message-fetch-field "message" (header &optional not-all))
-(declare-function  message-goto-eoh "message" ())
-(declare-function  message-narrow-to-headers "message" ())
+(declare-function message-narrow-to-headers-or-head "message" ())
+(declare-function message-fetch-field "message" (header &optional not-all))
+(declare-function message-goto-eoh "message" ())
+(declare-function message-narrow-to-headers "message" ())
 
 (defun hashcash-token-substring ()
   (save-excursion
@@ -161,8 +160,7 @@ For example, you may want to set this to '(\"-Z2\") to reduce header length."
   "Generate a hashcash payment by finding a VAL-bit collison on STR."
   (if (and (> val 0)
           hashcash-path)
-      (save-excursion
-       (set-buffer (get-buffer-create " *hashcash*"))
+      (with-current-buffer (get-buffer-create " *hashcash*")
        (erase-buffer)
        (apply 'call-process hashcash-path nil t nil
               "-m" "-q" "-b" (number-to-string val) str
@@ -288,7 +286,7 @@ BUFFER defaults to the current buffer."
   "Ask user whether to wait for hashcash processes to finish."
   (interactive)
   (when (hashcash-processes-running-p (current-buffer))
-    (if (y-or-n-p 
+    (if (y-or-n-p
          "Hashcash process(es) still running; wait for them to finish? ")
        (hashcash-wait-async)
       (hashcash-cancel-async))))