patch 8.1.1423: popup windows use options from current window and buffer commit https://github.com/vim/vim/commit/cacc6a5c986fbc716bf53b6916f076dd7b388142 Author: Bram Moolenaar <Bram@vim.org> Date: Thu May 30 15:22:43 2019 +0200 patch 8.1.1423: popup windows use options from current window and buffer Problem: Popup windows use options from current window and buffer. Solution: Clear all local options when creating a popup 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