patch 8.1.2121: mode is not updated when switching to terminal Commit: https://github.com/vim/vim/commit/a27e1dcddc9e3914ab34b164f71c51b72903b00b Author: Bram Moolenaar <Bram@vim.org> Date: Mon Oct 7 22:27:36 2019 +0200 patch 8.1.2121: mode is not updated when switching to terminal Problem: Mode is not updated when switching to terminal in Insert mode. Solution: Redraw the mode when entering a terminal window. (Jason Franklin)

" 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