patch 8.1.0315: helpgrep with language doesn't work properly commit https://github.com/vim/vim/commit/c631f2df624954184509df49479d52ad7fe5233b Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 21 21:58:13 2018 +0200 patch 8.1.0315: helpgrep with language doesn't work properly Problem: Helpgrep with language doesn't work properly. (Takuya Fujiwara) Solution: Check for the language earlier. (Hirohito Higashi)

" 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