1 The *.png and README.original files in this directory are copied from
2 libpng.org, specifically contrib/pngsuite/* in libpng-1.2.40.tar.gz.
3 README.original gives the following license for those files:
5 Permission to use, copy, and distribute these images for any purpose
6 and without fee is hereby granted.
8 The *.sng files in this directory were generated from the *.png files
9 by the sng command-line tool.