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bug#21570: 24.5; prog-mode unconditionally sets require-final-newline
From: |
Stefan Kangas |
Subject: |
bug#21570: 24.5; prog-mode unconditionally sets require-final-newline |
Date: |
Mon, 30 Sep 2019 00:19:00 +0200 |
tags 21570 + wontfix
close 21570
thanks
Dmitry Gutov <dgutov@yandex.ru> writes:
> On 09/26/2015 12:50 PM, Faye N. wrote:
>
>> While normally I don't have an issue with this sort of thing (I leave
>> mode-require-final-newline on specifically for programs that have yet to
>> handle the lack of final newlines in their input files), the fact that this
>> is
>> in prog-mode seems like a bug to me. prog-mode as I understand it is mainly
>> for other modes to derive from as a starting point, so forcing a final
>> newline
>> in a generic major mode such as this is wrong to me.
>
> prog-mode is the place where the mode-require-final-newline setting takes
> effect, in a centralized fashion.
>
> Regardless of the programming language in question, certain tools that one
> might
> want to employ for software development interact badly with source files that
> don't end on a newline. Hence it's a good idea to add them in source files.
>
> But when it's not the case, a major mode, or the user, can override this (in
> the
> mode definition, or in a hook).
>
>> I'd suggest either not having prog-mode set this in the first place (leaving
>> it to modes that actually need it to decide), or if prog-mode has to set it,
>> that its doing so be configurable.
>
> Since it's the first such request, I think the degree of customizability
> provided by our hooks facility is enough:
>
> (add-hook 'prog-mode-hook (lambda () (setq require-final-newline ...)))
Indeed, and I'm therefore closing this as wontfix.
Best regards,
Stefan Kangas
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