Isn’t a DSL a separate language? Libraries sometimes cannot do what new languages can, or can only mimic it in a very very cumbersome way, I think this is why

Isn’t a DSL a separate language? Libraries sometimes cannot do what new languages can, or can only mimic it in a very very cumbersome way, I think this is why the author advocates for separate languages, rather than libraries. The other thing that a separate language allows is for the author to remove every distraction that a host lanauge might have, and really streamline and emphasise the concepts they’re trying to show, and those concepts only.