patch 8.0.1190: unusable after opening new window in BufWritePre event commit https://github.com/vim/vim/commit/2c33d7bb69c4c2c5b0e39b03cc4b0c04cfdfbb0b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 14 16:06:20 2017 +0200 patch 8.0.1190: unusable after opening new window in BufWritePre event Problem: Vim becomes unusable after opening new window in BufWritePre event. Solution: Call not_exiting(). (Martin Tournoij, closes #2205) Also for "2q" when a help window is open. Add a test.

" Vim plugin for downloading spell files
" Maintainer:  Bram Moolenaar <Bram@vim.org>
" Last Change: 2006 Feb 01

" Exit quickly when:
" - this plugin was already loaded
" - when 'compatible' is set
" - some autocommands are already taking care of spell files
if exists("loaded_spellfile_plugin") || &cp || exists("#SpellFileMissing")
  finish
endif
let loaded_spellfile_plugin = 1

" The function is in the autoload directory.
autocmd SpellFileMissing * call spellfile#LoadFile(expand('<amatch>'))