A Tower of Simple Systems

I posted this on Future Programming at Quora : A Tower of Simple Systems Re-reading the answer I reposted here a couple of days ago about the “Holy Grail” of programming language design : modification. https://www.quora.com/q/qqylyzqgpwisoecc/What-is-the-Holy-Grail-of-programming-language-design So here’s a question. A dumb solution … But what if we created a system as a tower of …