patch 8.2.3196: Vim9: bool expression with numbers only fails at runtime Commit: https://github.com/vim/vim/commit/05bd9785fd0fd0102ab64554307bff0ec0ae34c1 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 21 21:37:28 2021 +0200 patch 8.2.3196: Vim9: bool expression with numbers only fails at runtime Problem: Vim9: bool expression with numbers only fails at runtime. Solution: Check constant to be bool at compile time. (closes https://github.com/vim/vim/issues/8603)

" 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<'