GNU bug report logs - #40919
27.0.91; next-error-select-buffer does not always behave as documented

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Juri Linkov <juri <at> linkov.net>
Cc: 40919 <at> debbugs.gnu.org, tspiteri <at> ieee.org
Subject: bug#40919: 27.0.91; next-error-select-buffer does not always behave as documented
Date: Thu, 11 Jun 2020 02:32:44 +0300

On 11.06.2020 02:05, Juri Linkov wrote:
> Actually, people already want to customize it to a list (at least, I know one such user:)

Say hello to the user to me. ;-)

And maybe ask a question: what kind of functions do they want to put on 
there?

And/or would they be content to advice-add on 
next-error-find-buffer-function instead?

> -(defcustom next-error-find-buffer-function #'ignore
> +(defcustom next-error-find-buffer-function '(ignore)

                                             ^s, maybe?

> +   (or (and (functionp next-error-find-buffer-function)
> +            (funcall next-error-find-buffer-function avoid-current
> +                     extra-test-inclusive extra-test-exclusive))
> +       (and (listp next-error-find-buffer-function)
> +            (run-hook-with-args-until-success
> +             'next-error-find-buffer-function avoid-current
> +             extra-test-inclusive extra-test-exclusive)))

Looks like run_hook_with_args can deal with the case where the value of 
the hook is a single function.

>      ;; 2. If next-error-last-buffer is an acceptable buffer, use that.
>      (if (and next-error-last-buffer
>               (next-error-buffer-p next-error-last-buffer avoid-current

Should we take the rest of the cases in next-error-find-buffer and move 
them to the default value of the above hook?

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