Re: master 18b680cfd1: Fix bug#52467 by adding a new custom variable 'display-comint-buffer-action'

[Juri Linkov]

>>> Note that a 'pop-to-buffer' call can add an arbitrary element like a
>>> label to the action alist and 'display-buffer-alist' can, via a
>>> function, interpret that label in any which way.  So we do not have to
>>> add anything new to make such things work.  The important aspects are
>>> rather discoverability and ease of documentation.
>>
>> Indeed, this would be nice to have:
>>
>>    (pop-to-buffer "*shell*" '(display-buffer-reuse-or-same-window .
>>                               ((label . *shell*))))
>
> The question is who we think should take care of this:
> 'display-buffer-assq-regexp' in association with 'display-buffer-alist'?
> Or just a function specified via 'display-buffer-alist'?  The latter can
> be already done now with some documentation support maybe.

The latter, that already can be used.  Only one convenience change
could be added to allow symbols in conditions:

  (add-to-list 'display-buffer-alist
               '((*comint* display-buffer-reuse-or-same-window (nil))))

> The former also requires a few code changes and a decision how to
> handle
>
> (pop-to-buffer "*shell*" '(display-buffer-reuse-or-same-window
>                          . ((label . *shell*) (label . *comint*))))

Maybe then allow a list: ((label . '(*shell* *comint*)))