Re: Error displaying a frame modified with (tool-bar-lines . 0)

[Eli Zaretskii]

> From: Juanma Barranquero <address@hidden>
> Date: Tue, 25 Mar 2014 13:45:00 +0100
> 
> After much back and forth, bug#17046 has been determined to be that running
> 
>   emacs -Q -l bug.el
> 
> with bug.el:
> 
> ;;; bug.el
> (let* ((default-frame-alist nil)
>        (frame (make-frame '((width . 80) (height . 20))))
>        (lines (frame-parameter frame 'tool-bar-lines)))
>   (discard-input)
>   (read-event nil nil 2)
>   (modify-frame-parameters frame '((tool-bar-lines . 0)
>                                    (width . 60) (height . 25)))
>   (modify-frame-parameters frame `((tool-bar-lines . ,lines))))
> ;;, end
> 
> causes the frame to be redisplayed incorrectly (the trigger being the
> (tool-bar-lines .0) parameter:
> 
> http://debbugs.gnu.org/cgi/bugreport.cgi?msg=26;filename=emacs-sshot.png;att=1;bug=17046

Is this GTK-specific?  (I don't see the problem on Windows.)  Did
someone try this with Lucid, or without any toolkits?