[PATCH]: Fix rxvt-unicode hanging when using internal popups.

[Marc Lehmann]

On Mon, Aug 03, 2009 at 04:20:40PM +0200, Marc Lehmann <schmorp at schmorp.de> wrote:
> > problem.  Yes, we die() here in the above, yes it ungrabs, but it
> > litters my screen with popup windows now, unsurprisingly.  (I had
> > already tested this.)
> 
> Wow, so our grab succeeds and xallowevents apparently doesn't do the right
> thing.

I just reproduced this with the new xorg server, and it is indeed a
server bug: urxvt issues a global grab, which succeedsd, and then calls
xallowevents asyncboth, but the server ignores this and fails to send
further events to urxvt (which therefore never gets a chance to close the
popup).

Not sure if this could even be worked around from remote, this is a rather
drastic bug.

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