patch 8.2.3522: cannot use x and u when setting 'listchars' Commit: https://github.com/vim/vim/commit/93ff6720fe4427341bc426b6d46e6324f226c270 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 16 17:51:40 2021 +0100 patch 8.2.3522: cannot use \x and \u when setting 'listchars' Problem: Cannot use \x and \u when setting 'listchars'. Solution: Support hex and unicode in hex form. (closes https://github.com/vim/vim/issues/9006)