commit https://github.com/vim/vim/commit/286eacd3f6631e985089176fb1dff1bcf1a1d6b5 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 16 18:05:50 2016 +0100 patch 7.4.1106 Problem: The nsis script can't be used from the appveyor build. Solution: Add "ifndef" to allow for variables to be set from the command line. Remove duplicate SetCompressor command. Support using other gettext binaries. (Ken Takata) Update build instructions to use libintl-8.dll.

let encoding = &enc
if encoding == ''
	let encoding = 'utf-8'
endif

if encoding == 'utf-8'
	source <sfile>:p:h/persian-iranian_utf-8.vim
endif