patch 9.0.0379: cleaning up after writefile() is a hassle Commit: https://github.com/vim/vim/commit/806a273f3c84ecd475913d901890bb1929be9a0a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 4 15:40:36 2022 +0100 patch 9.0.0379: cleaning up after writefile() is a hassle Problem: Cleaning up after writefile() is a hassle. Solution: Add the 'D' flag to defer deleting the written file. Very useful in tests.

" Vim filetype plugin file
" Language:             Mailcap configuration 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=#\ %s formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save