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A comment on Horrifying PDF Experiments. Parent comment

Re:Horrifying PDF Experiments by koheripbal on Sunday January 03, 2021 @10:33AM (#25622299)
I don't see an ability to view PDF version history in this tool. Am I missing something?
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Re:Horrifying PDF Experiments by tonyedgecombe on Monday January 04, 2021 @03:11AM (#25628798)
From the docs:

QPDF is not a PDF content creation library, a PDF viewer, or a program capable of converting PDF into other formats.

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Re:Horrifying PDF Experiments by koheripbal on Tuesday January 05, 2021 @09:57AM (#25646149)
But doesn't being able to see all streams mean that I can see edited/erased content from prior states of the document?
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Re:Horrifying PDF Experiments by jbn on Tuesday January 05, 2021 @02:13PM (#25649646)
not necessarily, there's nothing that says that old content is preserved in inaccessible streams... the entire PDF file can be re-written discarding all old content.
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