commit https://github.com/vim/vim/commit/f9e687e0681a250e1549ab27b6c7ef2c500395e3 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 4 21:33:09 2016 +0200 patch 7.4.2328 Problem: Crash when BufWinLeave autocmd goes to another tab page. (Hirohito Higashi) Solution: Make close_buffer() go back to the right window.

" 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