ref: f762f96f07cf2dfc7b3bb745d6a767dccda0a01a
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