patch 8.1.1844: buffer no longer unloaded when adding text properties commit https://github.com/vim/vim/commit/45311b5274a6ac6e44235dfd4588c6b1bf0d4850 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 13 22:27:32 2019 +0200 patch 8.1.1844: buffer no longer unloaded when adding text properties Problem: Buffer no longer unloaded when adding text properties to it. Solution: Do not create the memfile. (closes https://github.com/vim/vim/issues/4808)

" Vim filetype plugin file
" Language:             group(5) user group file
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2008-07-09

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 com< cms< fo<"

setlocal comments= commentstring= formatoptions-=tcroq formatoptions+=l

let &cpo = s:cpo_save
unlet s:cpo_save