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From: "Jan D." <jan.h.d@swipnet.se>
Newsgroups: gmane.emacs.devel
Subject: Re: alarm_signal_handler is called too frequently
Date: Mon, 1 Nov 2004 13:21:40 +0100
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References: <wlhdoz4dva.wl@church.math.s.chiba-u.ac.jp>	<E1CHkLc-0006oa-Mt@fencepost.gnu.org>	<wlpt3lvpzq.wl@church.math.s.chiba-u.ac.jp>	<wlk6tpn0th.wl@church.math.s.chiba-u.ac.jp>	<E1CM4fQ-00054K-TS@fencepost.gnu.org>	<7E7ABFB6-2693-11D9-9BC4-000D93505B76@swipnet.se>	<E1CMlL9-0000Zn-70@fencepost.gnu.org>	<41813425.2010001@swipnet.se>	<wlwtxaz4m3.wl@church.math.s.chiba-u.ac.jp>	<4181EA7E.2020309@swipnet.se>
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> The reason for the difference in down_on_keypress is that when a popup 
> menu is up, the keyboard is grabbed, so no keypresses goes to the 
> Emacs frame anyway.

... and most importantly, you can navigate a popup menu (Lucid) with 
arrow keys (now that I fixed a bug that crashed Emacs).  We don't want 
the arrow keys to pop the menu down.  ESC can be used to pop the menu 
down.

	Jan D.