Re: nsterm.m: How to prevent _inactive_ window update from overreaching.

[Keith David Bershatsky]

Correction to previous post ... instead of the "X axis", I meant to say the "Y 
axis".

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> * * *
> 
> In the following examples, the _active_ window on the right gets updated 
> first in time.  Using a version of Emacs from 07/07/2018, updating the 
> _inactive_ window does not cause the active window to be modified.  Using a 
> version of Emacs from 11/16/2018, updating the _inactive_ window updates a 
> portion of the _active_ window.  The update happens from the top of the 
> window to the X axis of the cursor in the _inactive_ window.
> 
> * * *
> 
> QUESTION:  When updating the _inactive_ window, how can I prevent the current 
> version of nsterm.m from updating a portion of the _active_ window (from the 
> top of the window to the X axis of the cursor in the _inactive_ window)?
> 
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