Don't put your software in the public domain

[Gregory Ewing]

Steven D'Aprano wrote:

> http://linuxmafia.com/faq/Licensing_and_Law/public-domain.html

 From that:
> It might be ruled to create a global licence for unrestricted use. That
 > licence might or might not then be adjudicated to be revocable by subsequent
 > copyright owners (heirs, divorcing spouses, creditors).

If that's possible, then could said heirs, divorcing spouses
and creditors also revoke supposedly permanent rights granted
under an explicit licence? Or is putting the word "irrevocable"
in the licence enough to prevent that?

-- 
Greg