Yep. The lesson is to get this right early in your language design. Do not punt until version 2.0. Think twice before putting the package/module/whatever metada

Yep. The lesson is to get this right early in your language design. Do not punt until version 2.0. Think twice before putting the package/module/whatever metadata in an executable script. If you do decide to do that, think a third time. It works out better for some languages (like Common Lisp) than others (like Python).