> In the case of the later 3 files, their copyright notice says: > "at your choice" you may distribute under the terms of the BSD > license or under the terms of the GNU GPL v2 > > So if they chose to distribute those 3 files under the terms of the GNU > GPL v2, it is correct to change the copyright notice of those three files > alone in order to remove a license that the distributor chose not to use > anymore.
Not exactly. I won't quote from the GPL again, but even the GPL has a paragraph about this. You must pass on the rights you received. The GPL says that passing on only a selection of rights is not fair. Don't trust my words, though, go read the GPL yourself.
