* Walter Landry: > The EADL data was created by US Government employees (Lawrence > Livermore). So there is no copyright in the US. Also, in the US, > there is no copyright in a set of facts. However, as a courtesy, you > should preserve the credits.
Debian is also available in Europe, where the U.S. government is not barred by U.S. law from obtaining and enforcing copyright of its works. Europeanl law also has copyright-like protections for certain collections of facts. Frederic-Emmanuel, the license you quoted does not seem to give permission to make modifications (and redistribute them). Only permission of unmodified copies seems to be allowed.