The following text is copied and pasted from
http://www.schaik.com/pngsuite/PngSuite.LICENSE , which is the license under
which an image from the PngSuite project is used. Please refer to the
original link as the authoritative text; this file exists only for REUSE
license-checker compliance.

PngSuite
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Permission to use, copy, modify and distribute these images for any
purpose and without fee is hereby granted.


(c) Willem van Schaik, 1996, 2011