patch 8.1.1744: build error without the conceal feature commit https://github.com/vim/vim/commit/07d1356648a2a9b5f07e20ff1d3c4c606ae45d49 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 24 18:43:08 2019 +0200 patch 8.1.1744: build error without the conceal feature Problem: Build error without the conceal feature. Solution: Define variables also without the conceal feature.

" Vim filetype plugin file
" Language:		Configuration File
" Maintainer:		Christian Brabandt <cb@256bit.org>
" Latest Revision:	2018-12-24

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

let s:cpo_save = &cpo
set cpo&vim

let b:undo_ftplugin = "setl cms< fo<"

setlocal commentstring=#\ %s formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save