patch 8.1.0219: expanding ## fails to escape backtick commit https://github.com/vim/vim/commit/2c8c681bfcd5138a0ec8ce018216dc2dc69a11a0 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 28 17:07:52 2018 +0200 patch 8.1.0219: expanding ## fails to escape backtick Problem: Expanding ## fails to escape backtick. Solution: Escape a backtick in a file name. (closes https://github.com/vim/vim/issues/3257)

" 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