patch 8.2.2129: MS-Windows: Checking if a file name is absolute is slow Commit: https://github.com/vim/vim/commit/0ea7421ae6618fe8efe9e3afc8fdcf7a4d89739a Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 11 20:10:50 2020 +0100 patch 8.2.2129: MS-Windows: Checking if a file name is absolute is slow Problem: MS-Windows: Checking if a file name is absolute is slow. Solution: Do not use mch_FullName(). (closes https://github.com/vim/vim/issues/7033)

" 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