Z:gnu-www-ja-license-recommendations--879f5c-One case where using a differe/en

One case where using a different license can be justified is when you make major changes to a work under a non-copyleft license. If the version you've created is considerably more useful than the original, then it's worth copylefting your work, for all the same reasons we normally recommend copyleft. If you are in this situation, please follow the recommendations below for licensing a new project.