commit https://github.com/vim/vim/commit/821179809d9b0f65177360b53584be2b4039dd46 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 27 19:21:48 2016 +0200 patch 7.4.2270 Problem: Insufficient testing for NUL bytes on a raw channel. Solution: Add a test for writing and reading.

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.