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:	C++
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2001 Jan 15

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

" Behaves just like C
runtime! ftplugin/c.vim ftplugin/c_*.vim ftplugin/c/*.vim