This is a bug, that Apple Engineering is aware of, and they are looking into it.
As far as the content goes, it was given to us without restrictions by Arborescence in Paris. People can use whatever is on the disc, but they shouldn't sell the contents as part of another title. The source code provided by Art Technology Group (the first few lines of these files include the phrase "Copyright 1994 Art Technology Group") is provided for free. Its use must be accompanied by a notice in the executable stating that portions of the program are under copyright of Art Technology Group. The source code can be redistributed and/or modified, so long as the original copyright notice (in the first lines of each file) is preserved and a dated notice of any changes is clearly given within the source code.
This source code is distributed in the hopes that it will be useful, but WITHOUT ANY WARRANTY �? without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Also Peter's Magic Adventure is a copyrighted title from Arborescence - so that content can't be copied and distributed.