ref: 2c0fbf27314d04cb3bb5ab1ea3f9b7bae556f89a
dir: /support/vim/ftdetect/mbld.vim/
au BufRead,BufNewFile bld.proj \ setlocal ft=mbld | \ setlocal noet | \ setlocal sw=8 au BufRead,BufNewFile bld.sub \ setlocal ft=mbld | \ setlocal noet | \ setlocal sw=8