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bug#39822: 27.0.90; Cannot set *Completions* buffer height using display

From: martin rudalics
Subject: bug#39822: 27.0.90; Cannot set *Completions* buffer height using display-buffer-alist
Date: Tue, 3 Mar 2020 15:40:41 +0100

>> You mean 'minibuffer-completion-help' should call 'display-buffer'
>> directly and do the rest of the setup manually?
> Yes, and all other commands that currently use
> with-displayed-buffer-window should get along without it.

OK with me.

>>> So it would be easier to override
>>> the default alist values such as 'window-height'.
>> Is there such a default value?  Who would provide it?
> Since users should be able to override it by e.g.
> (add-to-list 'display-buffer-alist
>               '("\\*Completions\\*"
>                 (window-height . 5)
>                 ...
> a default value should have a lower priority, i.e.
> in the call of 'display-buffer' in 'minibuffer-completion-help'.

So you mean the default value is the value supplied by


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