patch 8.2.2121: internal error when using ze before zs in a pattern Commit: https://github.com/vim/vim/commit/a7a691cc142439e266f4ceb1f208bb952b57aa71 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Dec 9 16:36:04 2020 +0100 patch 8.2.2121: internal error when using \ze before \zs in a pattern Problem: Internal error when using \ze before \zs in a pattern. Solution: Check the end is never before the start. (closes https://github.com/vim/vim/issues/7442)

" Vim filetype plugin
" Language:	Java properties file
" Maintainer:	None
" Last Change:	2019 Dec 01

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

setlocal formatoptions-=t
setlocal comments=:#,:!
setlocal commentstring=#\ %s

let b:undo_ftplugin = "setl cms< com< fo<"