bug#20758: 24.4; emacs24 menubar does not work properly

[Eli Zaretskii]

> Date: Sun,  7 Jun 2015 15:10:47 +0200
> From: Enno <enno.vet@gmx.net>
> 
> 
> $ emacs -Q
> Then:
> In emacs window click a menu entry: this highlights the selected entry and 
> produces a dropdown menue of entries.  Then pull the pointer to the next menu 
> entry to the left or right from the initially selected one.  This removes the 
> highlighing of the initially selected menu entry, lets the dropdown menu 
> disappear, highlights the newly selected menu entry but...  no dropdown menu 
> for that menu appears.  In fact as much as you might move the mouse to the 
> right or left, no dropdown menu appears anywhere, not even on the initially 
> selected one where you had a dropdown just seconds ago.  Only if you deselect 
> the menubar by clicking elsewhere you can then again produce a dropdown from 
> a newly chosen menu, but again only for this one.
> 
> I cannot imagine that this is a feature, and i suppose it's this same 
> behaviour that led me to trigger my recent (erroneous) bug report about 
> python(-mode), because there i could also produce a dropdown only for the 
> first chosen submenu, not for any further ones.

I think some toolkits indeed behave that way.