> Also, xhtml is just markup. And so it's not a programming language runtime (i.e. javascript or wasm), nor a css renderer, nor a bunch of web-apis. It's thes

> Also, xhtml is just markup. And so it's not a programming language runtime (i.e. javascript or wasm), nor a css renderer, nor a bunch of web-apis. It's these things, not the (X)HTML parsing and rendering that makes a browser the complex thing it is.