ref: 38a4c78511a5aea2608ea44bbfde055485197b50
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