Re: Tree-sitter maturity

[Richard Stallman <rms@gnu.org>]

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  > Oh, and another point I have been reminded of while writing this: The
  > recent addition of more and more -ts-modes without "regular" -modes has
  > been slightly concerning.  While I understand that re-implementing a
  > "lua-mode" or "php-mode" from scratch is not an effort one wants to
  > impose on anymore,

This is not clean, and might be a real problem.  What should happen
when someone who does not use tree-sitter visits a Lua file or a PHP
file?  What happens in those cases now?

In general, Emacs should not have a FOO-ts-mode without a correspnding
FOO-mode.  Otherwise users will get surprised.  I'm not talking about
_how_ they work, just that the commands should exist.

It might be simple to modify lua-ts-mode so that it can be directed to
disable tree-sitter, perhaps by a global variable -- and then define
lua-mode to call lua-ts-mode after specifying that.

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)