patch 9.0.1249: cannot export an abstract class Commit: https://github.com/vim/vim/commit/657aea7fc47fb919ce76fad64ba0ec55a1af80f1 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jan 27 13:16:19 2023 +0000 patch 9.0.1249: cannot export an abstract class Problem: Cannot export an abstract class. (Ernie Rael) Solution: Add the EX_EXPORT flag to :abstract. (closes https://github.com/vim/vim/issues/11884)

" 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<'