commit https://github.com/vim/vim/commit/13ddc5c35921efa69e980284117b6db6465e019c Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 25 22:51:17 2016 +0200 patch 7.4.1847 Problem: Getting an item from a NULL dict crashes. Setting a register to a NULL list crashes. (Nikolai Pavlov, issue https://github.com/vim/vim/issues/768) Comparing a NULL dict with a NULL dict fails. Solution: Properly check for NULL.

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.