commit https://github.com/vim/vim/commit/472472898ab71ac80a86fedc37f8eb91461788dd Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 2 22:36:02 2016 +0200 patch 7.4.2146 Problem: Not enough testing for popup menu. CTRL-E does not always work properly. Solution: Add more tests. When using CTRL-E check if the popup menu is visible. (Christian Brabandt)

" Vim filetype plugin
" Language:	Java properties file
" Maintainer:	David Bürgin <676c7473@gmail.com>
" Last Change:	2013-11-19

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<"