> You do not seem to understand how copyright works. When published, a > work is subject to a set of restrictions, laid down by copyright law. > A license grants rights (under conditions or restrictions) to the > receiver of a work. No license means no extra rights, which means the > default defined by copyright law applies. If you want to publish a > work as public domain, you must include a license saying so. >
Yes, I know. Granting a work into the public domain is not a license. And public domain varies between different countries. I believe there is no public domain in Japan.