Yes, my mistake. I assumed common sense. https://pico-8.fandom.com/wiki/P8PNGFileFormat https://pico-8.fandom.com/wiki/P8PNGFileFormat Actual cases of proprie

Yes, my mistake. I assumed common sense. https://pico-8.fandom.com/wiki/P8PNGFileFormat https://pico-8.fandom.com/wiki/P8PNGFileFormat Actual cases of proprietary chunks include iDOT from Apple (apparently a performance optimization for plain images) https://www.hackerfactor.com/blog/index.php?/archives/895-Connecting-the-iDOTs.html https://www.hackerfactor.com/blog/index.php?/archives/895-Co... and the Macromedia Fireworks save files https://stackoverflow.com/questions/4242402/the-fireworks-png-format-any-insight-any-libs https://stackoverflow.com/questions/4242402/the-fireworks-pn...