bug#63840: 29.0.91; c-ts-mode fails to fontify common C extension

[Eli Zaretskii]

> From: Yuan Fu <casouri@gmail.com>
> Date: Tue, 27 Jun 2023 18:46:24 -0700
> Cc: Theodor Thornhill <theo@thornhill.no>,
>  Po Lu <luangruo@yahoo.com>,
>  63840@debbugs.gnu.org
> 
> > Would it be possible for you or someone else of the interested Emacs
> > users to submit a patch for the grammar library to support $, either
> > as an option or as an extension?  IOW, is it hard to modify the
> > TS grammar definitions for such relatively simple and straightforward
> > extensions?
> 
> There is a PR for it on GitHub (under which I left a comment). Judging from 
> the PR, it’s simple to add support for $.

If so, perhaps just pinging about it from time to time is all that
should be done.