Comment Comment by Wowfunhappy > PDFs are executables, that's why it's hard. They support running codeI don't think Apple's PDF renderer supports e.g. running JS, you'd need real Acrobat for that. Or are you talking about something else?> they support decoding images which themselves have their own custom compressors that are also basically code themselves.But this is fundamentally true for anything that displays images, right? Or are the PDF formats particularly bad for some reason? parent Wowfunhappy 8 days ago
I don't think Apple's PDF renderer supports e.g. running JS, you'd need real Acrobat for that. Or are you talking about something else?
> they support decoding images which themselves have their own custom compressors that are also basically code themselves.
But this is fundamentally true for anything that displays images, right? Or are the PDF formats particularly bad for some reason?