patch 8.1.1007: using closure may consume a lot of memory commit https://github.com/vim/vim/commit/209b8e3e3bf7a4a3d102134124120f6c7f57d560 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 14 13:43:24 2019 +0100 patch 8.1.1007: using closure may consume a lot of memory Problem: Using closure may consume a lot of memory. Solution: unreference items that are no longer needed. Add a test. (Ozaki Kiichi, closes #3961)

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

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