bug#41879: 28.0.50; [Patch]: Add project-switch-to-buffer in project.el

[Andrii Kolomoiets]

Dmitry Gutov <dgutov@yandex.ru> writes:

> On 18.06.2020 14:30, Andrii Kolomoiets wrote:
>> Isn't it enough to check `(not (eq (cdr buffer) (current-buffer)))` in
>> the predicate function?
>
> It should also filter out the buffers where the names start with
> whitespace. Unless there are no other completions.

No, it shouldn't.  read-buffer already shows normal buffers as
completions on TAB and shows hidden buffers as completions after SPC
is entered.  See internal-complete-buffer.