commit https://github.com/vim/vim/commit/c3691332f72169c486066200c0f3935418364900 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 20 12:49:49 2016 +0200 patch 7.4.1754 Problem: When 'filetype' was set and reloading a buffer which does not cause it to be set, the syntax isn't loaded. (KillTheMule) Solution: Remember whether the FileType event was fired and fire it if not. (Anton Lindqvist, closes #747)

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.