Re: SYNC_INPUT and 23.1.

[Stefan Monnier]

>     I've used SYNC_INPUT for some months now, and I haven't noticed
>     any delays.

> I think the case in which this might cause delays is if you expose part of an
> Emacs window which was hidden, while Emacs is not idle.

That's not a problem.  SYNC_INPUT does not postpone X11 event processing
to the time of event processing.  It just postpones it until the next
QUIT or UNBLOCK_INPUT macro.  I.e. the C code constantly polls
a variable to see if a signal has arrived.


        Stefan