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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: A solution to display completion candidates after point in a
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Date: Fri, 02 Oct 2020 19:20:07 +0300
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To: Gregory Heytings <ghe@sdf.org>
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 (message from Gregory Heytings on Fri, 02 Oct 2020 16:14:07 +0000)
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> Date: Fri, 02 Oct 2020 16:14:07 +0000
> From: Gregory Heytings <ghe@sdf.org>
> cc: emacs-devel@gnu.org
> 
> > In bug#43572, a solution that would allow us to ask the display engine 
> > to do this is being discussed.  I'd favor one of the solutions proposed 
> > there lately, namely, to indicate in the text to be displayed that this 
> > text wants to be displayed with the window-start set at BOB.
> 
> This solution, on which there is no agreement yet, still has to be 
> implemented, and it will only work, in the best case, with Emacs 27.2 and 
> later.  The solution here works with all Emacs versions.

I'm not against using this as a workaround, if someone needs it, until
the better solution arrives.  I was just saying that using that code
_instead_ of a solution in core Emacs would be wrong, IMO.