patch 8.2.0444: swap file test fails on some systems Commit: https://github.com/vim/vim/commit/d36ef573b2fad620824495f5423cb649cde55e03 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 24 21:44:51 2020 +0100 patch 8.2.0444: swap file test fails on some systems Problem: Swap file test fails on some systems. Solution: Preserve the swap file. Send NL terminated keys.

" Vim filetype plugin file
" Language:	groovy
" Maintainer:	Justin M. Keyes <justinkz@gmail.com>
" Last Change:	2016 May 22

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

let s:cpo_save = &cpo
set cpo-=C

let b:undo_ftplugin = 'setlocal commentstring<'

setlocal commentstring=//%s

let &cpo = s:cpo_save
unlet s:cpo_save