alt Hacker NewsI haven't gone through more than just 10% of the files released today, but noticed that at least EFTA00037069.pdf for example has a `/Prev` pointer, meaning the previous revision of the file is available inside of the PDF itself. In this case, the difference is minor (stuff moved around), but I'm guessing if it's in one file, it could be more. You can run `qpdf --show-object=trailer EFTA00037069.pdf` on a PDF file to see for yourself if it's there.
I'm almost fully convinced that someone did this bad intentionally, together with the bad redactions, as surely people tasked with redacting a bunch of files receive some instructions on what to do/not to do?
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I looked into this specific file, and the history doesn't contain anything too interesting. The root file is already the fully redacted and flattened document, and the edit in question is the addition of a numbered footer to each page.
All the reporting I have read suggests that they are roping anyone and everyone they can into doing redactions. So I suspect many simply lack the experience to do it well.
> as surely people tasked with redacting a bunch of files receive some instructions on what to do/not to do?
You've phrased this as a question; I gather that you know better than to assume a modicum of competence from these people.