patch 8.2.1469: Vim9: cannot assign string to string option Commit: https://github.com/vim/vim/commit/0aae4809fd52b445531766411a9c963dc6274a04 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 16 21:29:05 2020 +0200 patch 8.2.1469: Vim9: cannot assign string to string option Problem: Vim9: cannot assign string to string option. Solution: Change checks for option value. (closes https://github.com/vim/vim/issues/6720)