commit https://github.com/vim/vim/commit/ea83bf06b92baeb6d68a10d8e8ffad289d31dae2 Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 8 09:40:51 2016 +0200 patch 7.4.1822 Problem: Redirecting stdout of a channel to "null" doesn't work. (Nicola) Solution: Correct the file descriptor number.

" Vim syntax file
" Language:  systemd.unit(5)

if !exists('b:current_syntax')
  " Looks a lot like dosini files.
  runtime! syntax/dosini.vim
  let b:current_syntax = 'systemd'
endif