commit https://github.com/vim/vim/commit/82faa259cc42379f2a17d598a2a39d14048685b0 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 4 20:14:07 2016 +0200 patch 7.4.1896 Problem: Invoking mark_adjust() when adding a new line below the last line is pointless. Solution: Skip calling mark_adjust() when appending below the last line.

" 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<"