patch 8.2.1772: cannot use CTRL-W <Down> to move out of a terminal window Commit: https://github.com/vim/vim/commit/f43e7ac4eee22dbb26fc069ec9a3d1598ec8dfe9 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 29 21:23:25 2020 +0200 patch 8.2.1772: cannot use CTRL-W <Down> to move out of a terminal window Problem: Cannot use CTRL-W <Down> to move out of a terminal window. Solution: Use special_to_buf() instead of mb_char2bytes(). (closes https://github.com/vim/vim/issues/7045)

" Vim filetype plugin file
" Language:             Vim help file
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2018-12-29

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

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl fo< tw< cole< cocu< keywordprg<"

setlocal formatoptions+=tcroql textwidth=78 keywordprg=:help
if has("conceal")
  setlocal cole=2 cocu=nc
endif

let &cpo = s:cpo_save
unlet s:cpo_save