patch 8.1.1357: test 37 is old style commit https://github.com/vim/vim/commit/999dc14644b8a9530ce0da22e90ca402c95c9c5a Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 19 21:44:08 2019 +0200 patch 8.1.1357: test 37 is old style Problem: Test 37 is old style. Solution: Turn it into a new style test. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/4398)

" Vim filetype plugin file
" Language: 	tmux(1) configuration file
" URL: 		https://github.com/ericpruitt/tmux.vim/
" Maintainer: 	Eric Pruitt <eric.pruitt@gmail.com>
" Last Changed: 2017 Mar 10

if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

setlocal commentstring=#\ %s