ref: c116550e6a41572796e4db65e4f6acbcb3d9d6f8 dir: /appl/mkfile/
<../mkconfig DIRS=\ acme\ # alphabet\ charon\ cmd\ collab\ demo\ ebook\ grid\ lib\ math\ # mux\ spree\ svc\ tiny\ wm\ <$ROOT/mkfiles/mksubdirs