commit https://github.com/vim/vim/commit/bb09ceb95477ecc271854b3fdd8d2776eca66adf Author: Bram Moolenaar <Bram@vim.org> Date: Tue Oct 18 16:27:23 2016 +0200 patch 8.0.0045 Problem: Calling job_stop() right after job_start() does not work. Solution: Block signals while fork is still busy. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/1155)

" Vim filetype plugin file
" Language:	BTM
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2004 Jul 06

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

" Behaves just like dosbatch
runtime! ftplugin/dosbatch.vim ftplugin/dosbatch_*.vim ftplugin/dosbatch/*.vim