C3O1P3Y4L1E1F4T1S1
19 points
COPYLEFTS is validvalid
COPYLEFT, a license that allows free use of copyrighted software [n]
COPYLEFT, to publish (intellectual property) under a license that allows free use and modification [v]
COPYLEFT, a license that allows free use of copyrighted software [n]
COPYLEFT, to publish (intellectual property) under a license that allows free use and modification [v]