patch 8.1.0399: 'hlsearch' highlight remains in other window commit https://github.com/vim/vim/commit/65985ac998713dfe0f0ff1dd49c5e3e8f17f4870 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 16 17:08:04 2018 +0200 patch 8.1.0399: 'hlsearch' highlight remains in other window Problem: 'hlsearch' highlight remains in other window after cancelling command. Solution: Redraw all windows. Also remove unnecessary delays. (closes #3437)

" Vim indent file
" Language:	Mail
" Maintainer:	Bram Moolenaar
" Last Change:	2009 Jun 03

if exists("b:did_indent")
  finish
endif
let b:did_indent = 1

" What works best is auto-indenting, disable other indenting.
" For formatting see the ftplugin.
setlocal autoindent nosmartindent nocindent indentexpr=