The syntax itself may be a big deal. With a unified syntax like the above LISP-like example, you can meta-program all content, structure and style with the same

The syntax itself may be a big deal. With a unified syntax like the above LISP-like example, you can meta-program all content, structure and style with the same scripts, and manipulate them inside the same generic tools. This could be used to reduce the number of entities in the system, in special those for logic expressions and control flow.