patch 8.2.0371: crash with combination of terminal popup and autocmd Commit: https://github.com/vim/vim/commit/cee52204ca030ce7814844e4dab8b4ed897ba3cc Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 11 14:19:58 2020 +0100 patch 8.2.0371: crash with combination of terminal popup and autocmd Problem: Crash with combination of terminal popup and autocmd. Solution: Disallow closing a popup that is the current window. Add a check that the current buffer is valid. (closes #5754)

" Vim filetype plugin
" Language:		JSON
" Maintainer:		David Barnett <daviebdawg+vim@gmail.com>
" Last Change:		2014 Jul 16

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

let b:undo_ftplugin = 'setlocal formatoptions< comments< commentstring<'

setlocal formatoptions-=t

" JSON has no comments.
setlocal comments=
setlocal commentstring=