patch 8.2.1308: Vim9: accidentally using "x" causes Vim to exit Commit: https://github.com/vim/vim/commit/ae616494d77e9930da703d65d12ac0abf6dc425f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 28 20:07:27 2020 +0200 patch 8.2.1308: Vim9: accidentally using "x" causes Vim to exit Problem: Vim9: accidentally using "x" causes Vim to exit. Solution: Disallow using ":x" or "xit" in Vim9 script. (closes https://github.com/vim/vim/issues/6399)