> A language extension means the syntax wouldn't ever be > valid in the base language. Well, this works: #lang base-without-for (require the-for-lib

> A language extension means the syntax wouldn't ever be > valid in the base language. Well, this works: #lang base-without-for (require the-for-library) ...use for here... Of course if the author of `for` has made a `base-with-for` language, then I can just use: #lang base-with-for ...use for here...