patch 8.2.3554: xxd has various way to exit Commit: https://github.com/vim/vim/commit/a2ffb435209716dc7aeb4783333f6ea19f5d28a7 Author: DungSaga <dungsaga@users.noreply.github.com> Date: Fri Oct 22 15:55:31 2021 +0100 patch 8.2.3554: xxd has various way to exit Problem: Xxd has various way to exit. Solution: Add function to print error and exit. (closes https://github.com/vim/vim/issues/9035)

" 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