Re: [PATCH] org.el: Call EXT-enable for `org-modules' (was Re: [PATCH] org-ctags.el: Do not activate on load)

[Ihor Radchenko]

Max Nikulin <manikulin@gmail.com> writes:

>> Applied, onto main.
>
> I was expecting that you would be against it since it is a breaking change.
>
> See a follow-up to
> Ihor Radchenko. Re: Autoloading side effects
> (was: Re: [BUG] org-mouse is activated without explicit require)
> Mon, 12 Dec 2022 10:25:16 +0000
> <https://list.orgmode.org/871qp4j4vn.fsf@localhost>

Not against. The side effects in org-ctags are _disruptive_. And Bastien
agreed that we can go ahead with breaking change in this case.

Later in the thread we deviated to discussing what exactly constitutes a
harmful side effect and what is acceptable, but that's a more general
discussion. org-ctags is clearly too aggressive.

> However now I am in doubts why org-ctags is not a minor mode.

What would be the benefit?

>  ** Miscellaneous
> +*** ~feature-enable~ functions are called for extensions from ~org-modules~
> +
> +Accordingly to Emacs [[info:elisp#Coding Conventions][coding conventions]]
> +loading a library must not modify behavior
> +since it may be done for the sake of help or command completion.
> +To make user configuration more convenient, when an extension ~EXT~ listed
> +in ~org-modules~ implements ~EXT-enable~ function, it is executed
> +during loading of Org mode or in response to customization of ~org-modules~.
> +So instead of ~(require 'EXT)~ in your init file add ~EXT~ to ~org-modules~.
> +See also
> +[[*~org-ctags~ is not activated by default any more][~org-ctags~ is not 
> activated by default any more]].

I'd like to discuss this idea with enable-feature on emacs-devel first.
Maybe we can adapt it more widely without special handling for
org-modules.

See
https://yhetil.org/emacs-devel/87zft9esva.fsf@localhost/
[FR] Provide a way to activate packages automatically for side effect

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
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