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