pointer grabs should time out

[Alan Cox]

On Iau, 2004-09-02 at 12:47, Keith Whitwell wrote:
> You'd expect that the X server would notice when the network connection to the 
> client is broken & revoke the grab at that point - I'd be suprised if it 
> doesn't already - so I wonder why you're seeing this behaviour...

An idle tcp link can take two hours or more to time out. Grab breaking
makes sense as a keypress,