Dear විමුක්තිය මඟ..., What kind of copyright are you talking about in here? This is all the great Dhamma of Buddha. Just kindly remember that always. If somebody is trying to copyright the Dhamma, it only must be the Greatest Buddha but no one else. So in a very humbly, ground level manner I may ask, Are you really/do you really wanna copyright??? Bless you with the noble Triple Gem. 🙂