;;; time-date.el --- Date and time handling functions
;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-;; 2007, 2008 Free Software Foundation, Inc.
+;; 2007, 2008, 2009 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Masanobu Umeda <umerin@mse.kyutech.ac.jp>
;; 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:
;;; Code:
+;; Only necessary for `declare' when compiling Gnus with Emacs 21.
+(eval-when-compile (require 'cl))
+
(defmacro with-decoded-time-value (varlist &rest body)
"Decode a time value and bind it according to VARLIST, then eval BODY.
(setq start (match-end 0)
spec (match-string 1 string))
(unless (string-equal spec "%")
+ ;; `assoc-string' is not available in Emacs 21. So when compiling
+ ;; Gnus (`time-date.el' is part of Gnus) with Emacs 21, we get a
+ ;; warning here. But `format-seconds' is not used anywhere in Gnus so
+ ;; it's not a real problem. --rsteib
(or (setq match (assoc-string spec units t))
(error "Bad format specifier: `%s'" spec))
(if (assoc-string spec usedunits t)