bug#74610: 31.0.50; Submitting mhtml-ts-mode, treesitter alternative to mhtml-mode

[Dmitry Gutov <dmitry@gutov.dev>]

Hi Vincenzo,

On 04/12/2024 12:47, Vincenzo Pupillo wrote:

>> Do you foresee cases for when html-ts-mode would be preferred by the
>> user instead of this advanced mhtml-ts-mode?
> For everyday use mhtml-ts-mode is better, just like mhtml-mode (which has been
> the default for html editing for a while now).
> 
>> Or maybe the former is
>> better in its current shape when used by e.g. php-ts-mode?
> Yes, personally I think that major modes that handle (for tree-sitters) only
> one language are easier to put together at the moment. It's Lego vs.
> Playmobil.
> We are in an experimental phase, like all other editors.
> See https://github.com/helix-editor/helix/pull/1170#issuecomment-997294090
> In some ways, by having a different approach from other editors, we have a
> greater degree of flexibility IMHO.

Makes sense, thanks.

>> In other words, I'm wondering why not update the existing mode with
>> sub-parsers rather than add a new one. html-mode had such a reason -
>> it's quite old, and has been used in various placed the way it is now
>> (including multi-mode packages). But ts modes don't work too well with
>> multi-mode packages, not currently anyway.
> 
> It's something I've thought about but haven't tried yet.
> One of the themes of the email thread (on emacs-devel) was to have a simple
> multi language major mode that was also a sort of “user's guide.”

I though the updated html-ts-mode could be that mode. Anyway, good to 
hear that this alternative had been given consideration.