patch 8.1.0570: 'commentstring' not used when adding fold marker commit https://github.com/vim/vim/commit/539328197c51c1586cbbb6b6be3db3c412249b49 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 7 21:08:49 2018 +0100 patch 8.1.0570: 'commentstring' not used when adding fold marker Problem: 'commentstring' not used when adding fold marker. (Maxim Kim) Solution: Only use empty 'comments' middle when leader is empty. (Christian Brabandt, closes #3670)

" Vim filetype plugin file
" Language:             eterm(1) configuration file
" Previous Maintainer:  Nikolai Weibull <now@bitwi.se>
" Latest Revision:      2008-07-09

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 com< cms< inc< fo<"

setlocal comments=:# commentstring=#\ %s include=^\\s*include
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save