Subject: bug#641: format-time-string %Z does not work, starting with Emacs 22.2

From: martin rudalics <[email-masked]>
Date: Mon, 04 Aug 2008 23:24:12 +0200

> 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.

See

2007-06-07  Jason Rumney  <[email-masked]>

	* s/ms-w32.h: Don't define HAVE_TZNAME.

	* editfns.c (Fcurrent_time_zone): Remove hack for Japanese Windows.

and the preceding discussion starting with

http://lists.gnu.org/archive/html/emacs-devel/2007-06/msg00334.html

martin