They had to change the law in the uk around naming companies!

My new favourite answer for everything like this is Asciidoc. You can incorporate latex or mathjax directly into docs.

The answer for the deep copy would seem to be a combination of a static recursive function to copy the array while cloning the objects inside, with setting the __clone() magic function in your objects to break the references, no? Granted it’s not a built in function, but not difficult to implement.

When I read that, I can never not say “not important” in my head