GNU bug report logs - #1077
23.0.60; x-create-frame: (wrong-type-argument number-or-marker-p nil)

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From: martin rudalics <rudalics <at> gmx.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 1077 <at> debbugs.gnu.org, Drew Adams <drew.adams <at> oracle.com>
Subject: bug#1077: 23.0.60; x-create-frame: (wrong-type-argument number-or-marker-p nil)
Date: Tue, 30 Nov 2010 08:56:41 +0100

> I'm not sure.  I'm still trying to understand when and why did the
> menu-bar-lines parameter got a nil value in the minibuffer frame's
> parameters.  Depending on what I find, there could be an additional
> change.  If this happens only in minibuffer frames, then the above
> should be enough to fix the bug, because minibuffer frames without a
> menu bar will never evaluate their menu items.

From the Elisp manual

`menu-bar-lines'
     The number of lines to allocate at the top of the frame for a menu
     bar.  The default is 1.  A value of `nil' means don't display a
     menu bar.  *Note Menu Bar::.  (The X toolkit and GTK allow at most
     one menu bar line; they treat larger values as 1.)

so `nil' is a valid value and evaluating a menu bar item probably should
know how to handle it.

martin

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