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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Stepping Back: A Wealth Of Completion systems Re: [ELPA] New
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Date: Sat, 10 Apr 2021 10:20:40 +0300
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To: Stefan Monnier <monnier@iro.umontreal.ca>
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Eli Zaretskii <eliz@gnu.org>,  philipk@posteo.net,  emacs-devel@gnu.org
> Date: Fri, 09 Apr 2021 19:48:25 -0400
> 
> I think it would be desirable to change the default UI just enough so
> that a code like Xref can make `completing-read` display the
> completions eagerly.

Right away, i.e. even without the user typing anything? that'd produce
a huge list of candidates, which would be impractical to display.

Or what do you mean by "eagerly"?