patch 8.0.0319: insert mode completion does not respect 'backspace' commit https://github.com/vim/vim/commit/190b04cdd936f4696c22466b7f077f9371d96580 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 9 17:37:03 2017 +0100 patch 8.0.0319: insert mode completion does not respect 'backspace' Problem: Insert mode completion does not respect "start" in 'backspace'. Solution: Check whether backspace can go before where insert started. (Hirohito Higashi)

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.