patch 8.1.1894: not checking for out-of-memory of autoload_name() commit https://github.com/vim/vim/commit/1058c9d9b5815467182d487f10f6dd71385cb796 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 20 21:58:00 2019 +0200 patch 8.1.1894: not checking for out-of-memory of autoload_name() Problem: Not checking for out-of-memory of autoload_name(). Solution: Check for NULL. (Dominique Pelle, closes https://github.com/vim/vim/issues/4846)

" Vim filetype plugin file
" Language:             m4
" 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=:#,:dnl commentstring=dnl\ %s
setlocal formatoptions-=t formatoptions+=croql

let &cpo = s:cpo_save
unlet s:cpo_save