patch 8.2.3239: Vim9: no error using heredoc for a number variable Commit: https://github.com/vim/vim/commit/81530e36033dec2c2cd94af6dd48ceb0389e95a2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 28 21:25:49 2021 +0200 patch 8.2.3239: Vim9: no error using heredoc for a number variable Problem: Vim9: no error using heredoc for a number variable. Solution: Add a type check. (closes https://github.com/vim/vim/issues/8627)

" 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