bug#61502: 29.0.60; c-ts-mode auto-indent not working

[Dmitry Gutov]

On 14/02/2023 21:41, Theodor Thornhill via Bug reports for GNU Emacs, 
the Swiss army knife of text editors wrote:
> diff --git a/lisp/treesit.el b/lisp/treesit.el
> index 749781894b..300a703515 100644
> --- a/lisp/treesit.el
> +++ b/lisp/treesit.el
> @@ -1418,6 +1418,8 @@ treesit--indent-1
>            ;; encompass the whitespace.
>            (parent (cond ((and node parser)
>                           (treesit-node-parent node))
> +                       ((equal (treesit-node-type smallest-node) "}")
> +                        (treesit-node-parent smallest-node))
>                          (t (treesit-node-on bol bol)))))
>         (funcall treesit-indent-function node parent bol))))

Is it a good idea to add C-specific constants to generic code?

Other modes might not have a node called "}" at all.