commit https://github.com/vim/vim/commit/fb1f62691eae7c79a28b3b17a60e72ce198c71a2 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 31 20:24:32 2016 +0100 patch 7.4.1229 Problem: "eval" and "expr" channel commands don't work yet. Solution: Implement them. Update the error numbers. Also add "redraw".

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.