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bug#34179: 27.0.50; message hangs when buffer with process visible


From: Eli Zaretskii
Subject: bug#34179: 27.0.50; message hangs when buffer with process visible
Date: Fri, 25 Jan 2019 20:31:45 +0200

> Date: Fri, 25 Jan 2019 17:51:53 +0100
> From: martin rudalics <address@hidden>
> CC: address@hidden, address@hidden
> 
>  > In any case, it is way too easy to do in functions called from
>  > run_window_change_functions something that sets
>  > windows_or_buffers_changed, so automatically retrying redisplay based
>  > on that variable after run_window_change_functions returns is IMO
>  > dangerous.
> 
> But what would be the alternatives?

Just leaving the job for the next redisplay cycle.  IOW, removing the
windows_or_buffers_changed from the condition under which we "goto retry".





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