And licenses are the easiest part. Scanning for occurrences of copyright notices deep down in the directory tree is usually more burdensome, because every singl

And licenses are the easiest part. Scanning for occurrences of copyright notices deep down in the directory tree is usually more burdensome, because every singly file could contain a new copyright owner. In theory, it could also contain a new license, but after your project has seen n license texts, it is increasingly rare to see the n+1th license text. Because there are far more people and combinations of people that license texts.