bug#63990: 30.0.50; `treesit-install-language-grammar' does not work noninteractively

[Eli Zaretskii]

> Date: Thu, 15 Jun 2023 04:58:40 +0300
> From: Dmitry Gutov <dmitry@gutov.dev>
> 
> On 09/06/2023 19:39, Dominique Quatravaux wrote:
> > Upon digging down with the debugger, the bug appears to be in
> > https://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/treesit.el#n3073 
> > <https://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/treesit.el#n3073>
> > which should read
> > 
> >                    default-out-dir)))
> > 
> > instead of
> > 
> >                    out-dir)))
> 
> Makes sense. Perhaps we'll want that in Emacs 29 as well?

That problem doesn't exist on emacs-29.