patch 8.2.3765: Vim9: cannot use a lambda for 'opfunc' and others Commit: https://github.com/vim/vim/commit/dcb53be4418fe263a71c7738315241031df6c986 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 9 14:23:43 2021 +0000 patch 8.2.3765: Vim9: cannot use a lambda for 'opfunc' and others Problem: Vim9: cannot use a lambda for 'opfunc' and others. Solution: Convert the lambda to a string.

" 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