How to reproduce this bug 1. emacs -Q a.cs 2. You get an error. File mode specification error: (void-function treesit-font-lock-rules) I use d47e05219f963c28be3b018f31d232aa8eeb200f revision On Thu, Nov 24, 2022 at 12:20 PM Shohei YOSHIDA wrote: > Load treesit for using its functions > --- > lisp/progmodes/csharp-mode.el | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/lisp/progmodes/csharp-mode.el b/lisp/progmodes/csharp-mode.el > index 23d7b05d50..c507de94e0 100644 > --- a/lisp/progmodes/csharp-mode.el > +++ b/lisp/progmodes/csharp-mode.el > @@ -27,6 +27,7 @@ > (require 'compile) > (require 'cc-mode) > (require 'cc-langs) > +(require 'treesit) > > (eval-when-compile > (require 'cc-fonts)) > -- > 2.37.2 > > > > > -- Shohei YOSHIDA(syohex@gmail.com)