nip2 has `.ws` files for storing workspaces (just a big chunk of XML), and `.def` files for its own scripting language. The nip2 scripting language is also ver

nip2 has `.ws` files for storing workspaces (just a big chunk of XML), and `.def` files for its own scripting language. The nip2 scripting language is also very odd: it's something like dynamically typed Haskell, but with classes. You can see roughly what it looks like here: https://github.com/libvips/nip2/blob/master/share/nip2/start/_list.def#L339-L363 https://github.com/libvips/nip2/blob/master/share/nip2/start... All of the menus are implemented in this thing.