commit https://github.com/vim/vim/commit/669cac0a805333e69b9e1176425083914eada659 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 25 15:25:03 2016 +0100 patch 7.4.1416 Problem: Using "u_char" intead of "char_u", which doesn't work everywhere. (J?rg Plate) Solution: Use "char_u" always.

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.