bug#62333: 30.0.50; Issue with tree-sitter syntax tree during certain changes

[Eli Zaretskii]

> From: Yuan Fu <casouri@gmail.com>
> Date: Sun, 26 Mar 2023 15:57:55 -0700
> Cc: Dmitry Gutov <dgutov@yandex.ru>,
>  Wilhelm Kirschbaum <wkirschbaum@gmail.com>,
>  62333@debbugs.gnu.org
> 
> > We could leave this alone for now, but in that case let's at least add
> > some FIXME comment in the relevant place(s), so that we could later
> > revisit this.
> 
> Dmitry’s idea sounds good, we can add a tree-sitter backend for 
> show-paren-data-function, and make the backend for blink-matching-paren 
> configurable, then add a backend for it that uses show-paren-data-function, 
> which in turn uses tree-sitter (or we add a backend that uses tree-sitter 
> directly). In either case, the tree-sitter backend don’t need to use 
> narrowing and we are good.

Is this suitable for the release branch?  It sounds non-trivial, and
the problem is not very severe, to say the least.