patch 8.1.1922: in diff mode global operations can be very slow Commit: https://github.com/vim/vim/commit/4f57eefe1e84b5a90e08474092ea6fc8825ad5c9 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 24 20:54:19 2019 +0200 patch 8.1.1922: in diff mode global operations can be very slow Problem: In diff mode global operations can be very slow. Solution: Do not call diff_redraw() many times, call it once when redrawing. And also don't update folds multiple times.

" 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>'))