Henning Glawe <glaweh@debian.org> writes: > a 'patch' in the first run is also an extension to the original source; > only an interpreter (in most cases, /usr/bin/patch) makes a 'change' from it. Right, but the point is that the binary does not include the relevant bits at all. By contrast, the GFDL requires that the "binary package" continue to have the invariant section in its entirety.