patch 8.2.2307: a shell command in the vimrc causes terminal output Commit: https://github.com/vim/vim/commit/ebbf11c1198b7aec8a1a55f7231ecb4f1a432fa0 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 7 14:45:03 2021 +0100 patch 8.2.2307: a shell command in the vimrc causes terminal output Problem: A shell command in the vimrc causes terminal output. Solution: Do not call starttermcap() after a shell command if the termcap wasn't active before.

" 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