From: Alan Mackenzie <acm@muc.de>
To: gnu-emacs-bug@moderators.isc.org
Subject: bug#15661: 24.3.50; calendar.el broken
Date: Sun, 20 Oct 2013 17:52:39 +0000 (UTC) [thread overview]
Message-ID: <l41597$ubg$1@colin.muc.de> (raw)
In-Reply-To: <526409D4.20903@easy-emacs.de>
Andreas R?hler <andreas.roehler@easy-emacs.de> wrote:
> M-x diary-view-entries RET
> fails saying:
> Symbol's value as variable is void: displayed-month
> AFAIU reason is new defvar behavior, which breaks legacy code.
> calendar.el has a
> (defvar displayed-month)
> which doesn't longer intialise to nil.
I'm not sure it ever did. At least as far back as Emacs 21, not
specifying an initial value leaves the variable unbound.
> There must be a lot of things be broken that way.
I think I agree with this, though, having fallen into this trap several
times. ;-)
--
Alan Mackenzie (Nuremberg, Germany).
next prev parent reply other threads:[~2013-10-20 17:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.4352.1382287759.10748.bug-gnu-emacs@gnu.org>
2013-10-20 16:50 ` bug#15661: 24.3.50; calendar.el broken Andreas Röhler
2013-10-20 17:52 ` Alan Mackenzie [this message]
2013-10-21 13:14 ` Stefan Monnier
2013-10-22 9:58 ` Andreas Röhler
2013-10-22 14:32 ` Stefan Monnier
2013-10-20 18:13 ` Glenn Morris
2013-10-21 5:57 ` Andreas Röhler
2013-10-21 7:47 ` Thierry Volpiatto
2013-10-21 8:56 ` Andreas Röhler
2013-10-21 12:15 ` Thierry Volpiatto
2013-10-21 16:27 ` Glenn Morris
2013-10-22 19:38 ` Glenn Morris
2013-10-23 5:51 ` Thierry Volpiatto
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