GNU bug report logs - #641
format-time-string %Z does not work, starting with Emacs 22.2

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#641: closed (format-time-string %Z does not work, starting
 with Emacs 22.2)
Date: Sat, 22 Oct 2011 09:24:02 +0000

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Your message dated Sat, 22 Oct 2011 11:21:57 +0200
with message-id <83k47xe5ze.fsf <at> gnu.org>
and subject line Re: bug#9794: 24.0.90; `format-time-string' no good for %Z
has caused the debbugs.gnu.org bug report #641,
regarding format-time-string %Z does not work, starting with Emacs 22.2
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: "Drew Adams" <drew.adams <at> oracle.com>
To: <bug-gnu-emacs <at> gnu.org>
Subject: format-time-string %Z does not work, starting with Emacs 22.2
Date: Fri, 1 Aug 2008 09:45:28 -0700

emacs -Q
M-: (format-time-string "%Z) ==> ""
M-: (format-time-string "%z) ==> "-0700"
 
The %Z string is incorrect. In my case, it should be (as it is in
Emacs 20 and Emacs 22.1): "Pacific Daylight Time".
 
This same bug appears in Emacs 23.  This is a regression from Emacs
22.1.
 

In GNU Emacs 22.2.1 (i386-mingw-nt5.1.2600)
 of 2008-03-26 on RELEASE
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'
 
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t
 
Major mode: Help
 
Minor modes in effect:
  encoded-kbd-mode: t
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t
  view-mode: t
 

[Message part 3 (message/rfc822, inline)]

From: Eli Zaretskii <eliz <at> gnu.org>
To: Jason Rumney <jasonr <at> gnu.org>
Cc: eggert <at> cs.ucla.edu, 641-done <at> debbugs.gnu.org, drew.adams <at> oracle.com,
	9794-done <at> debbugs.gnu.org
Subject: Re: bug#9794: 24.0.90; `format-time-string' no good for %Z
Date: Sat, 22 Oct 2011 11:21:57 +0200

> From: Jason Rumney <jasonr <at> gnu.org>
> Cc: Paul Eggert <eggert <at> cs.ucla.edu>,  drew.adams <at> oracle.com,  9794 <at> debbugs.gnu.org
> Date: Fri, 21 Oct 2011 23:40:20 +0800
> 
> So Paul is probably correct - we should not worry about RFC / POSIX or
> whatever compliance for %Z.

Thanks.  So, since everybody agrees, I committed as revision 106162
the changes to nt/config.nt that make current-time-zone and the
strftime's %Z format return a non-empty string on MS-Windows.

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