patch 9.0.1620: Nix files are not recognized from the hashbang line Commit: https://github.com/vim/vim/commit/19548c6a742d954ecd0b50b0680c37cc6ced7473 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 8 21:27:13 2023 +0100 patch 9.0.1620: Nix files are not recognized from the hashbang line Problem: Nix files are not recognized from the hashbang line. Solution: Add a hashbang check. (issue https://github.com/vim/vim/issues/12507)