patch 8.1.1412: test 30 is old style commit https://github.com/vim/vim/commit/72fcf07b0639b49be3305de141d777baa9c965a0 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 27 22:21:44 2019 +0200 patch 8.1.1412: test 30 is old style Problem: Test 30 is old style. Solution: Turn it into a new style test. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4440)

" 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