patch 8.1.1035: prop_remove() second argument is not optional commit https://github.com/vim/vim/commit/0a2f578e22de7e4d82075578afdd5fc2d2dd8134 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Mar 22 13:20:43 2019 +0100 patch 8.1.1035: prop_remove() second argument is not optional Problem: prop_remove() second argument is not optional. Solution: Fix argument count. Use "buf" instead of "curbuf". (closes https://github.com/vim/vim/issues/4147)

" Vim filetype plugin file
" Language:             protocols(5) - Internet protocols definition 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< fo<"

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

let &cpo = s:cpo_save
unlet s:cpo_save