commit https://github.com/vim/vim/commit/9ad73239c26467832a5b553b2a4b99d7ffbaa25e Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jun 1 22:08:17 2016 +0200 patch 7.4.1865 Problem: Memory leaks in tet49. (Dominique Pelle) Solution: Use NULL instead of an empty string.

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.