Comment by wahnfrieden
Comment by wahnfrieden 9 hours ago
Not the only thing hack means now, or the most common usage anymore. See "life hack" - it means unexpected technique.
Comment by wahnfrieden 9 hours ago
Not the only thing hack means now, or the most common usage anymore. See "life hack" - it means unexpected technique.
But this isn’t an unexpected technique it’s literally the core design of the pdf format. It’s a layered format that preserves the layers on any machine. Adobe has a redaction feature to overcome the default behavior that each layer can be accessed even if there is a top layer in front.