patch 8.2.2504: Vim9: crash when using an argument from a closure Commit: https://github.com/vim/vim/commit/44ec21c467ddf481b422c787324ea08f375f6942 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Feb 12 21:50:57 2021 +0100 patch 8.2.2504: Vim9: crash when using an argument from a closure Problem: Vim9: crash when using an argument from a closure. Solution: Check if gen_load_outer is NULL. (closes https://github.com/vim/vim/issues/7821)

" Vim filetype plugin
" Language:	Dockerfile
" Maintainer:   Honza Pokorny <http://honza.ca>
" Last Change:	2014 Aug 29

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

" Don't load another plugin for this buffer
let b:did_ftplugin = 1

let b:undo_ftplugin = "setl commentstring<"

setlocal commentstring=#\ %s