patch 8.2.0261: some code not covered by tests Commit: https://github.com/vim/vim/commit/f0cee1971f5258ce61f8a4e6a04d35c1e625bb01 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 16 13:33:56 2020 +0100 patch 8.2.0261: some code not covered by tests Problem: Some code not covered by tests. Solution: Add test cases. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/5645)

" 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