patch 8.1.0124: has('vcon') returns true even for non-win32 terminal commit https://github.com/vim/vim/commit/d8b37a53bd29cab78c6997aa75207385213f23e2 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 28 15:50:28 2018 +0200 patch 8.1.0124: has('vcon') returns true even for non-win32 terminal Problem: has('vcon') returns true even for non-win32 terminal. Solution: Check the terminal type. (Nobuhiro Takasaki, closes https://github.com/vim/vim/issues/3106)

" 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