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Re: widget-complete and C-g to hide *Completions*

From: Stefan Monnier
Subject: Re: widget-complete and C-g to hide *Completions*
Date: Tue, 12 Jan 2021 22:00:18 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

> I'd like to know why the use of completion-in-region in widget-complete
> doesn't turn on completion-in-region-mode, and what would be the steps
> to make that happen, but I got lost quickly in the completion code, so
> perhaps someone else can take a look.  Is it required that
> completion-in-region-mode-predicate is non-nil?

Yes, `completion-in-region-mode` requires
`completion-in-region-mode-predicate` to do its job, so the caller needs
to set that somehow.


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