patch 8.0.1806: InsertCharPre causes problems for autocomplete commit https://github.com/vim/vim/commit/39de95257714b76ccd845d081cff57830a79b488 Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 8 22:48:00 2018 +0200 patch 8.0.1806: InsertCharPre causes problems for autocomplete Problem: InsertCharPre causes problems for autocomplete. (Lifepillar) Solution: Check for InsertCharPre before calling vpeekc(). (Christian Brabandt, closes #2876)

" 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