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Re: Completion: minibuffer.el vs comint.el

From: Stefan Monnier
Subject: Re: Completion: minibuffer.el vs comint.el
Date: Mon, 28 Mar 2011 10:11:40 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

> I think it may become dedicated in the function `minibuffer-completion-help'
> in `minibuffer.el'. Notice the local binding of the variable
> display-buffer-mark-dedicated'.  From the documentation of the variable:

>       If non-nil, `display-buffer' marks the windows it creates as dedicated.

> `display-buffer' itself is called from the `with-output-to-temp-buffer' C
> function (at least that is what `with-output-...'s docs suggest).

> Unfortunately as for intent/reason behind this behavior, I don't have
> a clue.

This is so as to know whether to delete the window when the *Completions*
buffer is hidden/buried.

Maybe we should use another approach (hi Martin ;-).  E.g. just add
a flag "created for *Completions*" when we create the window, that would
work similarly to `dedicated' w.r.t bury-buffer but which would not
prevent display-buffer from reusing that window for some other buffer.


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