Re: Changes in calendar/time-date.el

[Reiner Steib <reinersteib+gmane@imap.cc>]

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On Mon, Apr 04 2005, Lute Kamstra wrote:

> Reiner Steib <reinersteib+gmane@imap.cc> writes:
>> Wouldn't it be better to put (require 'parse-time) at the beginning of
>> the file instead of inside `message-make-date'?
>
> message-make-date is the only function in message.el that uses
> parse-time, so it's best to put the require there.  If you change
> message-make-date so that it no longer uses parse-time, you will
> probably notice the require and remove it.  Had you put require at the
> beginning of the file, you would most likely forget this.  Putting a
> require at the beginning of a file is useful if the file uses a
> particular feature a lot.

Okay, I agree.  Putting it at the beginning of a file additionally
avoids some "reference to free variable" warnings.  The following
patch[1] would avoid them too.  (autoload 'parse-time-string ...)
should be there for the standalone Gnus which is supposed to work with
older Emacs versions.


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Index: message.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/gnus/message.el,v
retrieving revision 1.75
diff -u -r1.75 message.el
--- message.el	30 Mar 2005 08:14:32 -0000	1.75
+++ message.el	4 Apr 2005 11:36:12 -0000
@@ -32,6 +32,8 @@
 
 (eval-when-compile
   (require 'cl)
+  (defvar parse-time-weekdays) ;; parse-time is required where necessary
+  (defvar parse-time-months)
   (defvar gnus-message-group-art)
   (defvar gnus-list-identifiers)) ; gnus-sum is required where necessary
 (require 'canlock)
Index: nnimap.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/gnus/nnimap.el,v
retrieving revision 1.23
diff -u -r1.23 nnimap.el
--- nnimap.el	18 Mar 2005 02:49:57 -0000	1.23
+++ nnimap.el	4 Apr 2005 11:36:12 -0000
@@ -69,6 +69,8 @@
 (require 'gnus-range)
 (require 'gnus-start)
 (require 'gnus-int)
+ ;; Only for `parse-time-months' in `nnimap-date-days-ago':
+(require 'parse-time)
 
 (eval-when-compile (require 'cl))
 
Index: nnultimate.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/gnus/nnultimate.el,v
retrieving revision 1.5
diff -u -r1.5 nnultimate.el
--- nnultimate.el	4 Sep 2004 13:13:44 -0000	1.5
+++ nnultimate.el	4 Apr 2005 11:36:12 -0000
@@ -39,6 +39,7 @@
 (require 'mm-util)
 (require 'mm-url)
 (require 'nnweb)
+(require 'parse-time)
 (autoload 'w3-parse-buffer "w3-parse")
 
 (nnoo-declare nnultimate)
Index: gnus-art.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/gnus/gnus-art.el,v
retrieving revision 1.65
diff -u -r1.65 gnus-art.el
--- gnus-art.el	18 Mar 2005 02:49:57 -0000	1.65
+++ gnus-art.el	4 Apr 2005 11:36:13 -0000
@@ -46,6 +46,7 @@
 (autoload 'gnus-msg-mail "gnus-msg" nil t)
 (autoload 'gnus-button-mailto "gnus-msg")
 (autoload 'gnus-button-reply "gnus-msg" nil t)
+(autoload 'parse-time-string "parse-time" nil nil)
 
 (defgroup gnus-article nil
   "Article display."
Index: gnus-demon.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/gnus/gnus-demon.el,v
retrieving revision 1.9
diff -u -r1.9 gnus-demon.el
--- gnus-demon.el	4 Sep 2004 13:13:43 -0000	1.9
+++ gnus-demon.el	4 Apr 2005 11:36:13 -0000
@@ -40,6 +40,8 @@
       (require 'itimer)
     (require 'timer)))
 
+(autoload 'parse-time-string "parse-time" nil nil)
+
 (defgroup gnus-demon nil
   "Demonic behaviour."
   :group 'gnus)
Index: gnus-delay.el
===================================================================
RCS file: /cvsroot/emacs/emacs/lisp/gnus/gnus-delay.el,v
retrieving revision 1.5
diff -u -r1.5 gnus-delay.el
--- gnus-delay.el	9 Feb 2005 15:50:39 -0000	1.5
+++ gnus-delay.el	4 Apr 2005 11:36:13 -0000
@@ -37,6 +37,7 @@
 
 (require 'nndraft)
 (require 'gnus-draft)
+(autoload 'parse-time-string "parse-time" nil nil)
 
 ;;;###autoload
 (defgroup gnus-delay nil

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Does it look correct?

Bye, Reiner.

[1] The patch is for Emacs' CVS.
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