bug#16097: [PATCH] Treat windows on other spaces as not visible in Cocoa

[Robert Pluim]

>>>>> On Fri, 28 Jan 2022 08:35:10 +0800, Po Lu via "Bug reports for GNU Emacs, 
>>>>> the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org> said:

    Po> Robert Pluim <rpluim@gmail.com> writes:
    >> We can try to retain the fix for 53276. Iʼd appreciate a hint :-)

    Po> Essentially, `updateVisibility' should be modified to declare a `struct
    Po> input_event', initialize that event, and use kbd_buffer_store_event
    Po> instead of the `emacs_event' global.

I can do that, but blink-cursor-mode seems to be working fine with the
current changes (now that I actually know how itʼs supposed to function).

Robert
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