commit https://github.com/vim/vim/commit/3a466a87180d677b898687ef72d09f14a397794e Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 19 17:47:25 2016 +0100 patch 7.4.1138 Problem: When running gvim in the foreground some icons are missing. (Taylor Venable) Solution: Move the call to gui_gtk_register_resource(). (Kazunobu Kuriyama)

" 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