On Sat, 14 Dec 2013, Andreas Tille wrote:
Personally, I have no problem with this. I also have the feeling that a couple of years ago, it would not have been a problem. However, I have the impression that now it is important for Debian that images are rebuild from their source.I do not think that this is a real problem for PNGs. At least I had never personally any problem with PNGs.
DFSG 2 says that the source must be included. So if the PNG has been created, for example with gimp, there should be an XCF file available and part of the package ...
Thorsten