patch 8.2.4408: Vim9: some code not covered by tests Commit: https://github.com/vim/vim/commit/ea5c898b5fb60828b0223f258910f84f5c645e63 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 17 14:42:02 2022 +0000 patch 8.2.4408: Vim9: some code not covered by tests Problem: Vim9: some code not covered by tests. Solution: Add a few more tests. Correct error message. Allow unlet on dict with a number key.

" 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