Re: Make all tree-sitter modes optional

[Morgan Willcock <morgan@ice9.digital>]

Stefan Kangas <stefankangas@gmail.com> writes:

> Dmitry Gutov <dgutov@yandex.ru> writes:
>
>> I just don't understand what's your plan here regarding Emacs 29. What's
>> going to happen next? What kind of feedback will you be looking for?
>>
>> What I think will happen, is people will try out the new modes, some
>> will suffer the inconveniences we warned about here and possibly think
>> less of Emacs as a result;
>
> Changing Emacs' behavior upon loading a file is very bad.  We already
> know this (we even put it at the top of our coding conventions), and the
> fix is trivial.  So from my point of view, there is no need to wait for
> users to tell us about it; we can act on it immediately.
>
> In comparison, I consider changing `auto-mode-alist' upon enabling a
> major mode a mere annoyance.  I'll be able to hack my way around it
> myself, of course, but I think it will make for a bad user experience.
> Especially since it breaks our existing conventions: users are not
> trained to know that enabling a mode in one buffer will change
> `auto-mode-alist' globally.  It is surprising, to say the least.
>
> Restarting Emacs is not a solution at all.  It breaks my workflow, and I
> know that it breaks that of many users (e.g. those that start Emacs as a
> daemon when logging in).

And for someone using EXWM, requiring a restart is asking the user to
logout and then login again.

A slower and more stable path sounds more appealing to me.

Morgan