bug#74339: 30.0.92; CC Mode stomps C TS Mode

[Dmitry Gutov <dmitry@gutov.dev>]

On 26/11/2024 16:26, Eli Zaretskii wrote:
>> Okay. If we're going to document this though, could we make an explicit
>> note that it's a temporary solution? I.e. it's likely to stop working in
>> the next Emacs release.
> This is somewhat problematic, since we have no good place for such
> "temporary" documentation.  What we did instead is that Emacs 30
> suggests to use major-mode-remap-alist as the first, and in most
> places the only, way of preferring the tree-sitter based modes.  Both
> NEWS and the user manual mention only this method.
> 
> So the support for changing the preference by loading a file is
> already not advertised except in the commentary to c-ts-mode.el etc.
> It is basically kept for users who remember doing that in Emacs 29.
> 
> Is that good enough?

Sure, that seems good to me. As long as we're not beholden to keep 
supporting is later.

Not sure if this means that your proposed change to ruby-mode should 
likewise include some text for Commentary.