patch 9.1.0040: issue with prompt buffer and hidden buffer Commit: https://github.com/vim/vim/commit/f267847017976ab85117bdf75b45e769836f8d69 Author: zeertzjq <zeertzjq@outlook.com> Date: Wed Jan 17 21:22:59 2024 +0100 patch 9.1.0040: issue with prompt buffer and hidden buffer Problem: Modifying a hidden buffer still interferes with prompt buffer mode changes. Solution: Save and restore b_prompt_insert. (zeertzjq) closes: #13875 Signed-off-by: zeertzjq <zeertzjq@outlook.com> Signed-off-by: Christian Brabandt <cb@256bit.org> Modifying hidden buffer still interferes with prompt buffer mode changes

" Vim filetype plugin
" Language:	roff(7)
" Maintainer:	Aman Verma
" Homepage:	https://github.com/a-vrma/vim-nroff-ftplugin
" Previous Maintainer:	Chris Spiegel <cspiegel@gmail.com>
" Last Change:	2020 Nov 21

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

setlocal commentstring=.\\\"%s
setlocal comments=:.\\\"
setlocal sections+=Sh

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