GNU bug report logs - #59153
List project buffers

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From: Juri Linkov <juri <at> linkov.net>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 59153 <at> debbugs.gnu.org, Akib Azmain Turja <akib <at> disroot.org>
Subject: bug#59153: List project buffers
Date: Sat, 12 Nov 2022 20:02:47 +0200

>> +    (display-buffer (list-buffers-noselect arg nil filter-predicate))))
>
> I suppose we'll need an arity check here?
>
> So that this command also works in older emacsen with an install of
> project.el from ELPA.

Ah, I forgot about older emacsen.

> Alternatively, the command could set the value of
> Buffer-menu-filter-predicate inside the resulting buffer, rather than pass
> it as an argument to list-buffers-noselect.

Setting a buffer-local variable looks like a safer option since
Stefan M. warned many times that an arity check is not reliable.

But then need to display buffer twice: first call
list-buffers-noselect without an argument, then
set buffer-local Buffer-menu-filter-predicate,
then programmatically revert the buffer.

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