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Re: How about making `set-minibuffer-window' obsolete?

From: Eli Zaretskii
Subject: Re: How about making `set-minibuffer-window' obsolete?
Date: Wed, 17 Mar 2021 15:17:33 +0200

> From: martin rudalics <rudalics@gmx.at>
> Date: Wed, 17 Mar 2021 09:44:37 +0100
> Rather `set-minibuffer-window' should take as argument a frame to set
> the 'minibuffer-window' parameter of that frame.  This way it would
> become the counterpart of `minibuffer-window' which takes as argument a
> frame and returns that frame's minibuffer window.

I'm okay with extending this function that way (assuming the
additional parameter is made &optional).

> The current semantics of `set-minibuffer-window' is of no practical use.

Why not? how is it different from the C code doing the same?

> Lisp code should never deal with minibuf_window directly.

This seems to contradict what you propose above, doesn't it?  Or what
am I missing?

> However, every minibuffer interaction should be aware of the fact
> that any frame's minibuffer window might change via
> fset_minibuffer_window under its feet.

Yes, using these facilities is not for the faint at heart.  But that
doesn't mean it can never be useful, IMO.

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