patch 8.1.1950: using NULL pointer after an out-of-memory Commit: https://github.com/vim/vim/commit/4bbfb0f3cc67c00c8cee4e47283e8d760025219d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 31 15:28:02 2019 +0200 patch 8.1.1950: using NULL pointer after an out-of-memory Problem: Using NULL pointer after an out-of-memory. Solution: Check for NULL pointer. (Dominique Pelle, closes https://github.com/vim/vim/issues/4881)

" VIM syntax file
" Language:	groff
" Maintainer:	Alejandro López-Valencia <dradul@yahoo.com>
" URL:		http://dradul.tripod.com/vim
" Last Change:	2003-05-08-12:41:13 GMT-5.

" This uses the nroff.vim syntax file.
let b:main_syntax = "nroff"
let b:nroff_is_groff = 1
runtime! syntax/nroff.vim