Subject: bug#7691: 24.0.50; x-popup-menu with keymap - :help keyword

From: Lennart Borgman <[email-masked]>
Date: Tue, 21 Dec 2010 03:11:29 +0100

On Tue, Dec 21, 2010 at 12:17 AM, Drew Adams <[email-masked]> wrote:
>> IIRC it is not possible to display tooltips while popup menus are
>> displayed on Windows, as creating the tooltip involves
>> Windows messages to the same thread that the popup menu is
>> blocking.
>
> Poor Windows. ;-)

Or maybe it is rather "poor Emacs" here.

Jason, I do not understand exactly why the blocking occurs. Which
thread is blocked and why is it necessary?