patch 8.1.0951: using WIN64 even though it is never defined commit https://github.com/vim/vim/commit/44b443c5db7a372b2da519be15dd962c552e1355 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 18 22:14:18 2019 +0100 patch 8.1.0951: using WIN64 even though it is never defined Problem: Using WIN64 even though it is never defined. Solution: Only use _WIN64. (Ken Takata, closes https://github.com/vim/vim/issues/3997)

" 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