Subject: bug#77914: 31.0.50; treesit-font-lock-level set to 4 cause rust-ts-mode lost all color

From: Juri Linkov <[email-masked]>
Date: Sun, 20 Apr 2025 09:15:51 +0300

> If the attached file is correct, it appears to be a grammar bug (the tree-
> sitter-rust grammar). Take a look at the attached screenshot (libtree-
> sitter-0.25.2 and tree-sitter-rust v0.24.0)

Maybe this is related to Rust grammar version mismatch
where the current rust-ts-mode works only with
tree-sitter-rust v0.23.0:

https://lists.gnu.org/archive/html/emacs-devel/2025-04/msg00430.html