GNU bug report logs - #61177
30.0.50; There should be an autoload cookie preceding (add-to-list 'auto-mode-alist '("\\.ya?ml\\'" . yaml-ts-mode))

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Message #18 received at 61177-done <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefankangas <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Brian Leung <leungbk <at> posteo.net>, casouri <at> gmail.com,
 61177-done <at> debbugs.gnu.org
Subject: Re: bug#61177: 30.0.50; There should be an autoload cookie preceding
 (add-to-list 'auto-mode-alist '("\\.ya?ml\\'" . yaml-ts-mode))
Date: Sat, 2 Sep 2023 09:40:25 -0700

Eli Zaretskii <eliz <at> gnu.org> writes:

> tags 61177 notabug wontfix
> thanks
>
>> Cc: casouri <at> gmail.com
>> From: Brian Leung <leungbk <at> posteo.net>
>> Date: Mon, 30 Jan 2023 15:09:00 +0000
>>
>>
>> When I open a yaml file from an "emacs -q" session, I would like to see
>> it start up with yaml-ts-mode. However, since there is no autoload at
>> https://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/textmodes/yaml-ts-mode.el?h=c53952164fe54fee41343fd4008f610f7a284d26#n146,
>> this does not occur, and the file instead starts up in fundamental-mode.
>>
>> I think each such tree-sitter-mode auto-mode-alist adjustment should be
>> preceded by an autoload cookie.
>
> We deliberately decided not enable these modes by default, because
> quite a few people still build Emacs without tree-sitter, and are
> annoyed by warnings these modes emit when they discover that
> tree-sitter is not available.  Other people are used to editing yaml
> and other files in some other modes or in Fundamental, and don't want
> Emacs to decide that for them.
>
> So for now these modes are opt-in, and that's how it will stay until
> we collect more user experience and until tree-sitter installation
> will become much more widespread.  If you have tree-sitter installed,
> and want yaml-ts-mode to be turned on automatically in buffers
> visiting yaml files, you can have that via simple customizations in
> your init file.

I'm therefore closing this bug report.

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