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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: feature/completions-highlight-modifications e3c5b99 3/6: Add
 completions-highlight-mode initial implementation.
Date: Mon, 23 Nov 2020 21:12:22 +0200
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To: Jean Louis <bugs@gnu.support>
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In-Reply-To: <X7vDopGOT4KZ1dyr@protected.rcdrun.com> (message from Jean Louis
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> Date: Mon, 23 Nov 2020 17:13:54 +0300
> From: Jean Louis <bugs@gnu.support>
> Cc: emacs-devel@gnu.org, Stefan Monnier <monnier@iro.umontreal.ca>,
>  Drew Adams <drew.adams@oracle.com>, Juri Linkov <juri@linkov.net>
> 
> TAB philosophy is for line based completions. Anything else need not
> use TAB.

And yet Bash completion uses TABs, but displays multi-line completion
lists.  And so does GDB (actually, Readline).

So I don't agree with your philosophical assessment.