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Yes, in pdf, add bars, & then print it again as pdf, but as image.


Even black bars all leak the face that there’s something hidden


Do you mean the typeface/font? If it is just a word we are hiding in a sentence/paragraph; it would be like fill in a blank task for reader; much more chance to guess from context. There, the leaking length will not matter.


Oh sorry, my bad, you mean fact, not face. Yes, I agree.


ah. yeah fact :-)




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