patch 8.1.0688: text properties are not restored by undo commit https://github.com/vim/vim/commit/ccae4672fd622f2feac8322be71b6e43e68dc4fc Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 4 15:09:57 2019 +0100 patch 8.1.0688: text properties are not restored by undo Problem: Text properties are not restored by undo. Solution: Also save text properties for undo.

For information about installation of Farsi fonts and Vim usage in Farsi mode,
refer to the Farsi help file by typing ":help farsi" in Vim.